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MJ1444 - PCM SYNCHRONISING WORD GENERATOR

General Description

a 1, 2, 5, 7, 13, 14.

sync.

frames.

3.

Key Features

  • SV ±S% Supply-20mA Typical Fully Conforms to CCITT Recommendation G732 Outputs Directly Onto PCM Data Highway Provides Both Time Slot 0 and Time Slot 16 Channel Pulses All Inputs and Outputs are TTL Compatible Electrical Ratings +Vcc Inputs Outputs 7V Vcc + O.5V Gnd - O.3V Vce, Gnd -O.3V Thermal Ratings Max Junction Temperature 175°C Thermal Resistance: Chip to Case 35°C/Watt Chip to Amb. 120°C/Watt . ~I~ . . iii iii iii iii iii iii CH RE.

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Datasheet Details

Part number MJ1444
Manufacturer Plessey
File Size 114.54 KB
Description PCM SYNCHRONISING WORD GENERATOR
Datasheet download datasheet MJ1444 Datasheet

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Part Number Description
MJ1440 HDB3 ENCODER/DECODER
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MJ1444 ~~~I~~~!~-------------------------- 2 MBIT PCM SIGNALLING CIRCUIT MJ1444 PCM SYNCHRONISING WORD GENERATOR The 2.048 Mbit PCM signalling circuits comprise a group of circuits which will perform the common signalling and error detection functions for a 2.048 Mbit 30 channel PCM transmission link operating to the appropriate CCITT recommendations. The circuits are fabricated in N-channel metal gate MOS and operate from a single 5 volt supply. Relevant inputs and outputs are TTL compatible. The MJ1444 generates the synchronising word in accordance with CCITT recommendations G732. The MJ1445 has been designed to detect this synchronising word when received at the remote end of the transmission system.