MV1441
FEATURES
- On-Chip Digital Clock Regenerator
- HDB3 Encoding and Decoding to Cel D ree. G703
- Asynchronous Operation
- Simultaneous Encoding and Decoding
- Clock Recovery Signal allows Off-Chip Clock Regeneration
- Loop Back Control
- HDB3 Error Monitor
- 'All Ones' Error Monitor
- Loss of Input Alarm (All Zeros Detector)
- Decode Data in NRZ Form
- Low Power Operation
- 2.048MHz or 1.544MHz Operation
ABSOLUTE MAXIMUM RATINGS
The absolute maximum ratings are limiting values above which. operating life may be shortened or specified parameters may be degraded.
Electrical Ratings +Vcc Inputs Outputs
-O.5V to +7V Vcc +O.5V Gnd -O.3V
Vcc, Gnd -O.3V
NHZ DATA IN 1 CLOCK (ENCODER) 2
LOSS Of INPUT 3 NHZ DATA OUT 4 CLOCK (DECODER) 5
RESET A1S 6
GROUND 9
17 OUT Z (02)
14 LOOP TEST ENABLE 12 CRYSTAl OUTla OCN R 11 ERROR 10 CRYSTAl IN
Fig. 1 Pin connections
- top view
DG18
NRZ DATA IN
CLOCK (ENCODER) r-+4------r---~~01
~~_r~ r+~----_r----~02
LOSS OF
INPUT
LOOP TEST ENABLE
NRZ...
