Datasheet Details
Part number:
MJ1444
Manufacturer:
Plessey
File Size:
114.54 KB
Description:
PCM SYNCHRONISING WORD GENERATOR
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 7
MJ1444, PCM SYNCHRONISING WORD GENERATOR
Functions Listed by pin number a 1, 2, 5, 7, 13, 14.
Bits 3 to Parallel data on these inputs is asynchronously loaded into bits 3 to 8 of the PISO shift register for transmission during Time slot 0 of non *sync.
frames.
3.
Channel Reset A low going pulse at this input synchronises the MJ1444 with
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 M
MJ1444 Distributor
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