products > product profiles > MT89L80
MT89L80 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) 3.3 V Non-blocking Digital Switch (DX)
| Product Status - Production |
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This VLSI CMOS device is designed for switching PCM-encoded voice or data, under microprocessor control, in a modern digital exchange, PBX or Central Office. It provides simultaneous connections for up to 256 64 kbps channels. Each of the eight serial inputs and outputs consist of 32 64 kbps channels multiplexed to form a 2048 kbps ST-BUS stream. In addition, the MT89L80 provides microprocessor read and write access to individual ST-BUS channels.
Features
- 3.3 V supply
- 5 V tolerant inputs and TTL compatible outputs
- 256 x 256 channel non-blocking switch
- Accepts serial streams at 2.048 Mbps
- Per-channel three-state control
- Patented per channel message mode
- Non-multiplexed microprocessor interface
- Zarlink ST-BUS compatible
- Low power consumption: typical 15 mW
- Pin compatible with the MT8980DP
Typical Applications
-
Key telephone systems
- PBX systems
- Small and medium voice switching systems
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 |
 |
| MT89L80ANR |
SSOP |
48 |
|
Tape & Reel Mounted |
|
Obsolete |
| MT89L80APR |
PLCC |
44 |
|
Tape & Reel Mounted |
4-6 weeks |
Production |
| MT89L80APR1 |
PLCC |
44 |
Pb-free-Matte Tin |
Tape & Reel Mounted |
CONTACT ZARLINK |
Production |
| MT89L80AP1 |
PLCC |
44 |
Pb-free-Matte Tin |
Tubes (Anti-static Sticks) |
4-6 weeks |
Production |
| MT89L80ANR1 |
SSOP |
48 |
Pb-free-Matte Tin |
Tape & Reel Mounted |
4-6 weeks |
Production |
| MT89L80AN1 |
SSOP |
48 |
Pb-free-Matte Tin |
Tubes. Bake & Drypack |
4-6 weeks |
Production |
| MT89L80AP |
PLCC |
44 |
|
Tubes (Anti-static Sticks) |
|
Obsolete |
| MT89L80AN |
SSOP |
48 |
|
Tubes (Anti-static Sticks) |
|
Obsolete |
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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MT89L80 Data Sheet
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