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Maxim > Products > [Interface and Interconnect] 
MAX3221, MAX3223, MAX3243
1µA Supply-Current, True +3V to +5.5V RS-232 Transceivers with AutoShutdown


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 464kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX3221/MAX3223/MAX3243 achieve 1µA supply current with Maxim's revolutionary AutoShutdown™ feature. When the MAX3221/MAX3223/MAX3243 do not sense a valid signal level on their receiver inputs, the on-board power supply and drivers shut down. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The system turns on again when a valid level is applied to any RS-232 receiver input. As a result, the system saves power without changes to the existing BIOS or operating system.

The MAX3221/MAX3223/MAX3243 transceivers are 3V-powered EIA/TIA-232 and V.28/V.24 communications interfaces intended for notebook computer applications. A proprietary, high-efficiency, dual charge-pump power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V to +5.5V supply. A guaranteed data rate of 120kbps provides compatibility with popular software for communicating with personal computers.

The MAX3221/MAX3223/MAX3243 require only 0.1µF capacitors in 3.3V operation, and can operate from input voltages ranging from +3.0V to +5.5V. They are ideal for 3.3V-only systems, mixed 3.3V and 5.0V systems, or 5.0V-only systems that require true RS-232 performance.

The MAX3221 is a 1-driver/1-receiver 16-pin SSOP version of the 20-pin MAX3223 (2-driver/2-receiver). The MAX3243 3-driver/5-receiver, complete serial port is ideal for notebook or subnotebook computers. The MAX3243 includes one complementary always-active receiver. This receiver can monitor an external device (such as a modem) in shutdown, without forward biasing the protection diodes in a UART that may have VCC completely removed.

Key Features   Applications/Uses
  • For Space-Constrained Applications: MAX3228/MAX3229: +2.5V to +5.5V RS-232 Transceivers in UCSP™
  • For Integrated ESD Protection: MAX3222E/MAX3232E/MAX3237E/MAX3241E*/ MAX3246E: ±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers (MAX3246E Available in UCSP Package)
  • For Low-Voltage or Data Cable Applications: MAX3380E/MAX3381E: +2.5V to +5.5V, 1µA, 2 Tx/2 Rx RS-232 Transceivers with ±15kV ESD-Protected I/O and Logic Pins

 
  		• Battery-Powered Equipment
  		• Handheld Equipment
  		• Notebook, Subnotebook, and Palmtop Computers
  		• Peripherals
  		• Printers

    Key Specifications:  RS-232 Line Driver/Receivers
    Part Number VSUPPLY
    (V)    		 Tx Rx Data Rate
    (kbps)    		 ICC
    (mA)    		 Internal Charge Pump Ext. Caps Cap. Value
    (µF)    		 Rx Active in Shutdn Package/Pins Price
    min typ nom See Notes
    MAX3221 
    3.3
    5
    		 1 1 120 0.3 Yes 4 0.1 1
    SSOP/16
    TSSOP/16
    		 $1.25 @1k
    MAX3223  2 2 2
    PDIP(N)/20
    SSOP/20
    TSSOP/20
    		 $1.69 @1k
    MAX3243  3 5 1
    SOIC(W)/28
    SSOP/28
    TSSOP/28
    		 $3.11 @1k
    See All RS-232 Line Driver/Receivers (152)

  • AutoShutdown reduces supply current to 1µA (MAX3221)
  • AutoShutdown reduces supply current to 1µA (MAX3223)
  • AutoShutdown reduces supply current to 1µA, complementary receiver, drives mice (MAX3243)

    * Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; and other patents pending.

    • Diagram
    Typical Operating Circuit







    Application Notes
  		• Application Note 206: Using a PC's RS-232 Serial Port To Communicate with 2-Wire Devices - MAX3221, MAX3223
  		• Application Note 588: Multiplexer Enables Pseudomultidrop RS-232 Transmission - MAX3221
  		• Application Note 654: New RS-232 ICs Feature 1µA Supply Current, ±15kV ESD Protection, and 3V Operation - MAX3223, MAX3243
  		• Application Note 882: RS-232 Features Explained - MAX3221, MAX3223, MAX3243
  		• Application Note 2141: Determining Clock Accuracy Requirements for UART Communications - MAX3221, MAX3223, MAX3243

    Design Guides
  		• Interface (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
  		• MAX3221 IBIS Model

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-67 of 67

    MAX3221 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3221CAE    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221CAE-T    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221CAE+  
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221CAE+T    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221EAE    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221EAE-T    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221EAE+  
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221EAE+T    
    		Active SSOP;16 pin;50 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0106 (PDF)
    Use pkgcode/variation: A16+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221CUE    
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221CUE-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3221CUE+  
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221CUE+T    
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221EUE    
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3221EUE-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3221EUE+  
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3221EUE+T    
    		Active TSSOP;16 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0117 (PDF)
    Use pkgcode/variation: U16+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3223C/D    
    		Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    		See data sheet
    MAX3223EPP+  
    		Active PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223CPP    
    		Active PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CPP+  
    		Active PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223EPP    
    		Active PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CAP+TG65    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3223CAP+G65    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3223CAP    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CAP-T    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CAP+  
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223CAP+T    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223EAP    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223EAP-T    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223EAP+  
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223EAP+T    
    		Active SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223CUP    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CUP-T    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223CUP+  
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223CUP+T    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223EUP    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223EUP-T    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3223EUP+  
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3223EUP+T    
    		Active TSSOP;20 pin;45 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0116 (PDF)
    Use pkgcode/variation: U20+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3243CWI    
    		Active SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-6*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243CWI-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3243CWI+  
    		Active SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+6*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243CWI+T    
    		Active SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+6*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EWI    
    		Active SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243EWI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3243EWI+  
    		Active SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EWI+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3243CAI    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243CAI-T    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243ICAI    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243ICAI-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3243CAI+  
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243CAI+T    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EAI    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243EAI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3243EAI+  
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EAI+T    
    		Active SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243CUI    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243CUI-T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243ICUI    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243ICUI-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3243CUI+  
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243CUI+T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EUI    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243EUI-T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3243EUI+  
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3243EUI+T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• RS232 Resources

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    Document Ref.: 19-0306; Rev 8; 2004-03-05
    This page last modified: 2008-10-01


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