MH89790B, MH89790-B, MH89790BH Selling Leads, Datasheet
MFG:MITEL Package Cooled:DIP D/C:DIP-40
MH89790B, MH89790-B, MH89790BH Datasheet download
Part Number: MH89790B
MFG: MITEL
Package Cooled: DIP
D/C: DIP-40
MH89790B, MH89790-B, MH89790BH
- Table of contents:
Info of MH89790B
Info of MH89790-B
Info of MH89790BH
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About MH89790B
PDF/DataSheet Download
Datasheet: MH89790B
File Size: 500679 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
About MH80625C
PDF/DataSheet Download
Datasheet: MH80625C
File Size: 35412 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
About MH80625C
PDF/DataSheet Download
Datasheet: MH80625C
File Size: 35412 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
MH89790B General Description
The MH89790B is Mitel's CEPT PCM 30 interface solution, designed to meet the latest CCITT standards PCM 30 format with CRC-4. The MH89790B provides a complete interface between a 2.048 Mbit/sec digital trunk and Mitel's Serial Telecom Bus, the ST-BUS.
The MH89790B is a pin-compatible enhancement of the MH89790, permitting the removal of the tuneable inductor and inclusion of the external NAND gate used for generating RxD.
The MH89790B is a pin-compatible enhancement of the MH89790, permitting the removal of the tuneable inductor and inclusion of the external NAND gate used for generating RxD.
MH89790B Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Units | |
|
1 |
Supply Voltage with respect to VSS |
VDD |
-0.3 |
7 |
V |
|
2 |
Voltage on any pin other than supplies |
VSS-0.3 |
VDD+0.3 |
V | |
|
3 |
Current at any pin other than supplies |
40 |
mA | ||
|
4 |
Storage Temperature |
TST |
-40 |
85 |
°C |
|
5 |
Package Power Dissipation |
P |
800 |
mW |
MH89790B Features
• Complete primary rate 2048 kbit/s CEPT transceiver with CRC-4 option
• Selectable HDB3 or AMI line code
• Two frame elastic buffer with 32ms jitter buffer
• Tx and Rx frame and multiframe synchroniza-tion signals
• Frame alignment and CRC error counters
• Insertion and detection of A, B, C, D signalling bits with optional debounce
• Line driver and receiver
• Per channel, overall, and remote loop around
• Digital phase detector between E1 line and ST-BUS
• ST-BUS compatible
• Pin compatible with the MH89790
• Inductorless clock recovery
• Loss of Signal (LOS) indication
• Available in standard, narrow and surface mount formats
• Supports single supply rail operation
• Selectable HDB3 or AMI line code
• Two frame elastic buffer with 32ms jitter buffer
• Tx and Rx frame and multiframe synchroniza-tion signals
• Frame alignment and CRC error counters
• Insertion and detection of A, B, C, D signalling bits with optional debounce
• Line driver and receiver
• Per channel, overall, and remote loop around
• Digital phase detector between E1 line and ST-BUS
• ST-BUS compatible
• Pin compatible with the MH89790
• Inductorless clock recovery
• Loss of Signal (LOS) indication
• Available in standard, narrow and surface mount formats
• Supports single supply rail operation
MH89790B Typical Application
• Primary rate ISDN network nodes
• Multiplexing equipment
• Private network: PBX to PBX links
• Multiplexing equipment
• Private network: PBX to PBX links
MH89790B Connection Diagram
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