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DS21Q59
E1 Quad Transceiver
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Status
Active: In Production.
Description
The DS21Q59 E1 quad transceiver contains all the necessary functions for connecting to four E1 lines. The DS21Q59 is a direct replacement for the DS21Q50, with the addition of signaling access and improved interrupt handling. It is composed of a line interface unit, framer, and a TDM backplane interface, and is controlled through an 8-bit parallel port configured for Intel or Motorola bus operations or serial port operation.
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Data Sheet
Errata DS21Q59 21Q59A1.pdf
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Key Features
- Four Complete E1 (CEPT) PCM-30/ISDN-PRI Transceivers
- Pin Compatible with the DS21Q50
- Long-Haul and Short-Haul Line Interfaces
- 32-Bit or 128-Bit Crystal-Less Jitter Attenuator
- Frames to FAS, CAS, and CRC4 Formats
- CAS/CCS Signaling Support
- 4MHz/8MHz/16MHz Clock Synthesizer
- Flexible System Clock with Automatic Source Switching on Loss-of-Clock Source
- Two-Frame Elastic-Store Slip Buffer on the Receive Side
- Interleaving PCM Bus Operation Up to 16.384MHz
- Configurable Parallel and Serial Port Operation
- Detects and Generates Remote and AIS Alarms
- Fully Independent Transmit and Receive Functionality
- Four Separate Loopback Functions
- PRBS Generation/Detection/Error Counting
- 3.3V Low-Power CMOS
- Large Counters for Bipolar and Code Violations, CRC4 Codeword Errors, FAS Word Errors, and E Bits
- Eight Additional User-Configurable Output Pins
- 100-Pin (14mm) LQFP Package
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Applications/Uses
- DSLAM Backplane
- IMA and WAN Equipment
- Routers/Switches
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Key Specifications:
| T/E Carrier & Packetized Products |
| Part Number |
Transmission Standard |
Functions |
Channels |
VSUPPLY
(V) |
EV Kit |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| DS21Q59 |
E1 |
Framer + LIU |
4 |
3.3 |
Yes |
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262.4 |
$30.72 @1k |
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See All T/E Carrier & Packetized Products (100)
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Pricing 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.
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Diagram
Block Diagram
Application Notes
Product Guides
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| DS21Q59DK
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Active |
N/A;
Land Pattern: Not Available
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0°C to +70°C
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See data sheet
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| DS21Q59L
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Active |
LQFP;100 pin;262.4 mm²
Outline Drawing:21-0297 (PDF)
Land Pattern: 90-0295 (PDF)
Use pkgcode/variation: C100L-4*
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0°C to +70°C
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RoHS/Lead-Free: No
Materials Analysis |
| DS21Q59L+
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Active |
LQFP;100 pin;262.4 mm²
Outline Drawing:21-0297 (PDF)
Land Pattern: 90-0295 (PDF)
Use pkgcode/variation: C100L+4*
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0°C to +70°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| DS21Q59LN
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Active |
LQFP;100 pin;262.4 mm²
Outline Drawing:21-0297 (PDF)
Land Pattern: 90-0295 (PDF)
Use pkgcode/variation: C100L-4*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| DS21Q59LN+
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Active |
LQFP;100 pin;262.4 mm²
Outline Drawing:21-0297 (PDF)
Land Pattern: 90-0295 (PDF)
Use pkgcode/variation: C100L+4*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * 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.
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Information Index
Document Ref.: xxx
Rev 1;
2004-09-03
This page last modified: 2009-10-13
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