products > product profiles > MT8985
MT8985 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) Non-blocking Enhance Digital Switch (EDX) with Constant Delay Mode
| Product Status - Production |
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The MT8985 Enhanced Digital Switch device is an upgraded version of the popular MT8980D Digital Switch (DX). It is pin compatible with the MT8980D and retains all of the MT8980D's functionality. This VLSI device is designed for switching PCM-encoded voice
Features
- 256 x 256 channel non-blocking switch
- Programmable frame integrity for wideband channels
- Automatic identification of ST-BUS/GCI interface backplanes
- Per channel tristate control
- Patented message mode
- Non-multiplexed microprocessor interface
- Single power supply (+5 V)
- Available in DIP-40, PLCC-44 and QFP-44 packages
Typical Applications
-
Medium size digital switch matrices
- Hyperchannel switching (e.g., ISDN H0)
- ST-BUS/MVIP™ interface functions
- Serial bus control and monitoring
- Centralized voice processing systems
- Data multiplexer
Product Information
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Product Availability and Packaging
| Ordering Part No. |
Package Type |
No. of Pins |
Lead-free Option |
Shipping Option |
Lead Time (Weeks) |
Status |
 |
| MT8985AP |
PLCC |
44 |
|
Tubes (Anti-static Sticks) |
CONTACT ZARLINK |
Refer to leadfree product |
| MT8985AL1 |
MQFP |
|
Pb-free-Matte Tin |
Trays |
4-6 weeks |
Production |
| MT8985APR1 |
PLCC |
44 |
Pb-free-Matte Tin |
Tape & Reel Mounted |
4-6 weeks |
Production |
| MT8985APR |
PLCC |
44 |
|
Tape & Reel Mounted |
CONTACT ZARLINK |
Refer to leadfree product |
| MT8985AL |
MQFP |
44 |
|
Trays |
26 Week(s) |
Production |
| MT8985AE |
PDIP |
40 |
|
Tubes (Anti-static Sticks) |
|
Obsolete |
| MT8985AE1 |
PDIP |
40 |
Pb-free-Matte Tin |
Tubes (Anti-static Sticks) |
4-6 weeks |
Production |
| MT8985AP1 |
PLCC |
44 |
Pb-free-Matte Tin |
Tubes. Bake & Drypack |
4-6 weeks |
Production |
Product Lead-Times when quoted are not guaranteed and are provided as a
general guideline only; they may be varied from time to time without
notice. Updated estimates or actual schedule commit dates will be provided
at the time of order placement with Zarlink or its distributor.
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Related Products
| Part Number | Description |
|
 ZL50012 |
Flexible 512 Channel TDM Digital Switch |
| ZL50016 |
Enhanced 1 K Channel TDM Switch with rate conversion |
| ZL50017 |
1024 x 1024 Channels Selectable Rate (2, 4, 8 Mbps) Non-blocking TDM Switch |
| ZL50020 |
Enhanced 2 K Channel TDM Switch with rate conversion |
| ZL50023 |
Enhanced 4 K Channel TDM Switch with rate conversion |
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| Copyright 2008, Zarlink Semiconductor Inc. All Rights Reserved. |
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MT8985 Data Sheet
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