| 647041 | HCC4520BF | DUAL UP-COUNTERS | ST Microelectronics |
| 647042 | HCC4520BKG | Rad-hard dual binary up-down counter | ST Microelectronics |
| 647043 | HCC4520BKT | Rad-hard dual binary up-down counter | ST Microelectronics |
| 647044 | HCC4520BM1 | DUAL UP-COUNTERS | SGS Thomson Microelectronics |
| 647045 | HCC4520BM1 | DUAL UP-COUNTERS | ST Microelectronics |
| 647046 | HCC4522B | PROGRAMMABLE BCD DIVIDER-BY-N COUNTER | SGS Thomson Microelectronics |
| 647047 | HCC4522B | PROGRAMMABLE BCD DIVIDER-BY-N COUNTER | ST Microelectronics |
| 647048 | HCC4522BF | PROGRAMMABLE BCD DIVIDER-BY-N COUNTER | SGS Thomson Microelectronics |
| 647049 | HCC4522BF | PROGRAMMABLE BCD DIVIDER-BY-N COUNTER | ST Microelectronics |
| 647050 | HCC4527B | BCD RATE MULTIPLEXER | SGS Thomson Microelectronics |
| 647051 | HCC4527B | BCD rate multiplier | SGS-ATES |
| 647052 | HCC4527B | BCD RATE MULTIPLEXER | ST Microelectronics |
| 647053 | HCC4529B | ANALOG DATA SELECTOR, DUAL 4-CHANNEL OR SINGLE 8-CHANNEL | SGS Thomson Microelectronics |
| 647054 | HCC4529B | ANALOG DATA SELECTOR DUAL 4-CHANNEL OR SINGLE 8-CHANNEL | ST Microelectronics |
| 647055 | HCC4529BF | ANALOG DATA SELECTOR DUAL 4-CHANNEL OR SINGLE 8-CHANNEL | SGS Thomson Microelectronics |
| 647056 | HCC4529BF | ANALOG DATA SELECTOR DUAL 4-CHANNEL OR SINGLE 8-CHANNEL | ST Microelectronics |
| 647057 | HCC4532B | 8ûBIT PRIORITY ENCODER | SGS Thomson Microelectronics |
| 647058 | HCC4532B | 8-input priority encoder | SGS-ATES |
| 647059 | HCC4532B | 8-BIT PRIORITY ENCODER | ST Microelectronics |
|
| 647060 | HCC4532BDG | Rad-hard 8-input priority encoder | ST Microelectronics |
| 647061 | HCC4532BDT | Rad-hard 8-input priority encoder | ST Microelectronics |
| 647062 | HCC4532BF | 8-BIT PRIORITY ENCODER | SGS Thomson Microelectronics |
| 647063 | HCC4532BF | 8-BIT PRIORITY ENCODER | ST Microelectronics |
| 647064 | HCC4532BKG | Rad-hard 8-input priority encoder | ST Microelectronics |
| 647065 | HCC4532BKT | Rad-hard 8-input priority encoder | ST Microelectronics |
| 647066 | HCC4536 | PROGRAMMABLE TIMER | ST Microelectronics |
| 647067 | HCC4536B | PROGRAMMABLE TIMER | SGS Thomson Microelectronics |
| 647068 | HCC4536B | PROGRAMMABLE TIMER | ST Microelectronics |
| 647069 | HCC4536BF | PROGRAMMABLE TIMER | SGS Thomson Microelectronics |
| 647070 | HCC4536BF | PROGRAMMABLE TIMER | ST Microelectronics |
| 647071 | HCC4538 | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 647072 | HCC4538B | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 647073 | HCC4538B | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 647074 | HCC4538BDG | Rad-hard dual precision monostable multivibrator | ST Microelectronics |
| 647075 | HCC4538BDT | Rad-hard dual precision monostable multivibrator | ST Microelectronics |
| 647076 | HCC4538BF | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 647077 | HCC4538BF | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 647078 | HCC4538BKG | Rad-hard dual precision monostable multivibrator | ST Microelectronics |
| 647079 | HCC4538BKT | Rad-hard dual precision monostable multivibrator | ST Microelectronics |
| 647080 | HCC4541B | PROGRAMMABLE TIMER | SGS Thomson Microelectronics |
