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MH89770

Features: • Complete interface to a bidirectional T1 link• D3/D4 or ESF framing and SLC-96 compatible• Two frame elastic buffer with jitter tolerance improved to 156UI• Insertion and detection of A, B, C, D bits Signalling freeze, optional debounce• Selectable B8ZS, j...

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SeekIC No. : 004420307 Detail

MH89770: Features: • Complete interface to a bidirectional T1 link• D3/D4 or ESF framing and SLC-96 compatible• Two frame elastic buffer with jitter tolerance improved to 156UI• Inser...

MH89770 Data Sheet

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Part Number:
MH89770
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Complete interface to a bidirectional T1 link
• D3/D4 or ESF framing and SLC-96 compatible
• Two frame elastic buffer with jitter tolerance improved to 156UI
• Insertion and detection of A, B, C, D bits Signalling freeze, optional debounce
• Selectable B8ZS, jammed bit (ZCS) or no zero code suppression
• Yellow and blue alarm signal capabilities
• Bipolar violation count, FT error count, CRC error count
• Frame and superframe sync. signals, Tx and Rx
• Per channel, overall, and remote loop around
• 8 kHz synchronization output
• Digital phase detector between T1 line and ST-BUS
• ST-BUS compatible
• Pin compatible with the MH89760BN/BS
• Inductorless clock recovery
• Loss of Signal (LOS) indication
• Available in standard, narrow and surface mount formats


Application

• DS1/ESF digital trunk interfaces
• Computer to PBX interfaces (DMI and CPI)
• High speed computer to computer data links


Pinout

Connection Diagram


Specifications

 
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, OUTA or OUTB
VSS-0.3
VDD+0.3
V
3
 Voltage on OUTA or OUTB
15
V
4
 Current at any pin other than supplies, OUTA or OUTB
20
mA
5
 Current at OUTA or OUTB
200
mW
6
 Storage Temperature
TST
-20
85
°C



Description

The MH89770 is a complete T1 interface solution, meeting the Extended Super Frame (ESF), D3/D4 and SLC-96 formats. The MH89770 interfaces to the DS1 1.544 Mbit/sec digital trunk and has the capability of meeting ACCUNET®1 T1.5 wander tolerance (138 UI).

The MH89770 is a pin-compatible enhancement of the MH89760B.


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