DS21Q59
NOT RECOMMENDED FOR NEW DESIGNSE1 Quad Transceiver
- Part Models
- 2
- 1ku List Price
- Starting From $65.04
Overview
- 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
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.
Applications
- DSLAM Backplane
- IMA and WAN Equipment
- Routers/Switches
Documentation
Data Sheet 1
Design Note 2
Technical Articles 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| DS21Q59L+ | Low Quad Flatpack | ||
| DS21Q59LN+ | Low Quad Flatpack |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Nov 29, 2021 - 2218D ASSEMBLY |
||
| DS21Q59L+ | ||
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Interface Transceivers 1 | ||
| DS21Q50 | LAST TIME BUY | Quad E1 Transceiver |
Evaluation Kits
E1 Quad Transceiver
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