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Maxim > Products > [Timekeeping, Timers, and Counters]  [LED Lighting and LCD Display ICs] 
MAX7231, MAX7231C, MAX7232, MAX7233, MAX7234
8-Digit, Triplexed LCD Decoder Driver


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Data Sheet
FULL DATA SHEET (PDF, 640kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Key Specifications:   Display Drivers
Part Number LCD or LED Digits or Char. Output per Digit/Char. Display Type Interface Fonts Supply Voltage (min) (V) Supply Voltage (max) (V) Price**
MAX7231A  LCD 8-Digit 7 segment + 2 annunciators Triplexed Parallel Hexadecimal 4.5 5.5 $5.68 @ 1k
MAX7231B  8-Digit 7 segment + 2 annunciators Parallel Code B $4.52 @ 1k
MAX7231C  8-Digit 7 segment + 2 annunciators Parallel Code B $4.51 @ 1k
MAX7232A  10-Digit 7 segment + 2 annunciators Serial 3-Wire 1Mbit Hexadecimal  
MAX7232B  10-Digit 7 segment + 2 annunciators Serial 3-Wire 1Mbit Code B $4.37 @ 1k
MAX7232C  10-Digit 7 segment + 2 annunciators Serial 3-Wire 1Mbit Code B $4.54 @ 1k
MAX7233A  4-Char. 18 segment alphanumeric Parallel 64 char ASCII  
MAX7233B  4-Char. 18 segment alphanumeric Parallel 64 char ASCII $4.06 @ 1k
MAX7234A  5-Char. 18 segment alphanumeric Serial 3-Wire 1Mbit 64 char ASCII  
MAX7234B  5-Char. 18 segment alphanumeric Serial 3-Wire 1Mbit 64 char ASCII $4.51 @ 1k
See All Display Drivers (52)
Notes:
**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Application Notes
  		• Application Note 415: Buffering Scheme Drives Large LCDs - MAX7231, MAX7232, MAX7233, MAX7234

    Evaluation Kits
    none

    Design Guides
  		• Amplifiers and Sensors (PDF)
  		• Video (PDF)

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

    Software/Models
    none

    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: 1-59 of 59

    MAX7231 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7231BFIQH+TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7231AFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7231AFI/D  


    Land Pattern: Not Available

    		See data sheet
    MAX7231BFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7231AFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231BFIPL    
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231BFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7231BFIQH-D    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231BFIQH+D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7231BFIQH-TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231AFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231C Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7231CFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7231CFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7231CFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7231CFEPL    
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231CFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7231CFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7232CFIQH+D  


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7232AFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7232BFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7232AFI/D  


    Land Pattern: Not Available

    		See data sheet
    MAX7232CFI/D  


    Land Pattern: Not Available

    		See data sheet
    MAX7232BFIMH-T    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7232BFIMH  
    		MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44-4*
    		-20°C to +85°C See data sheet
    Materials Analysis
    MAX7232CFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7232AFIPL    
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232BFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7232CFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232BFIPL    
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232CFIQH+TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C See data sheet
    Materials Analysis
    MAX7232BFIQH+TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7232BFIQH+D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7232BFIQH-TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232AFIQH-D    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232BFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232CFIQH-TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7232CFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7233 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7233AFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7233AFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7233BFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7233BFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7233BFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7233AFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7233BFIQH+D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7233BFIQH+TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7233BFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7233AFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7233BFIQH-TD    
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7234 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7234BFIQH+TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7234AFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7234BFIQH-TD    


    Land Pattern: Not Available

    		-20°C to +85°C See data sheet
    MAX7234AFI/D    


    Land Pattern: Not Available

    		See data sheet
    MAX7234BFI/D  


    Land Pattern: Not Available

    		See data sheet
    MAX7234BFIPL+  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7234BFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7234AFIPL  
    		PDIP(W);40 pin;836 mm²
    Outline Drawing: 21-0044 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P40-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7234BFIQH+D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-20°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7234BFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7234AFIQH-D  
    		PLCC;44 pin;312 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    Notes and Comments
    • "A" and "B" versions, both annunciators on COM3; "C" version, annunciators on COM1 and COM3 (MAX7231)
    • "A" and "B" versions, both annunciators on COM3; "C" version, annunciators on COM1 and COM3 (MAX7232)
    • "A" version, half-width numbers; "B" version, full-width numbers (MAX7233)
    • "A" version, half-width numbers; "B" version, full-width numbers (MAX7234)

    Related Products
    ICM7211, ICM7212 Four Digit Display Decoder/Drivers

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    Rev 0; 1900-01-01
    This page last modified: 2007-05-31


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