| 13213 | HEF4521BF | 24-stage frequency divider and oscillator |
| 13214 | HEF4521BN | 24-stage frequency divider and oscillator |
| 13215 | HEF4521BP | 24-stage frequency divider and oscillator |
| 13216 | HEF4521BPB | 24-stage frequency divider and oscillator |
| 13217 | HEF4521BT | 24-stage frequency divider and oscillator |
| 13218 | HEF4521BU | 24-stage frequency divider and oscillator |
| 13219 | HEF4522 | Programmable 4-bit BCD down counter |
| 13220 | HEF4522B | Programmable 4-bit BCD down counter |
| 13221 | HEF4522BD | Programmable 4-bit BCD down counter |
| 13222 | HEF4522BF | Programmable 4-bit BCD down counter |
| 13223 | HEF4522BN | Programmable 4-bit BCD down counter |
| 13224 | HEF4522BP | Programmable 4-bit BCD down counter |
| 13225 | HEF4522BT | Programmable 4-bit BCD down counter |
| 13226 | HEF4526B | Programmable 4-bit binary down counter |
| 13227 | HEF4526BD | Programmable 4-bit binary down counter |
| 13228 | HEF4526BDB | Programmable 4-bit binary down counter |
| 13229 | HEF4526BF | Programmable 4-bit binary down counter |
| 13230 | HEF4526BN | Programmable 4-bit binary down counter |
| 13231 | HEF4526BP | Programmable 4-bit binary down counter |
| 13232 | HEF4526BPB | Programmable 4-bit binary down counter |
| 13233 | HEF4526BT | Programmable 4-bit binary down counter |
| 13234 | HEF4526BU | Programmable 4-bit binary down counter |
| 13235 | HEF4527B | BCD rate multiplier |
| 13236 | HEF4527BD | BCD rate multiplier |
| 13237 | HEF4527BF | BCD rate multiplier |
| 13238 | HEF4527BN | BCD rate multiplier |
| 13239 | HEF4527BP | BCD rate multiplier |
| 13240 | HEF4527BT | BCD rate multiplier |
| 13241 | HEF4528B | Dual monostable multivibrator |
| 13242 | HEF4528BD | Dual monostable multivibrator |
| 13243 | HEF4528BDB | Dual monostable multivibrator |
| 13244 | HEF4528BF | Dual monostable multivibrator |
| 13245 | HEF4528BN | Dual monostable multivibrator |
| 13246 | HEF4528BP | Dual monostable multivibrator |
| 13247 | HEF4528BPB | Dual monostable multivibrator |
| 13248 | HEF4528BT | Dual monostable multivibrator |
| 13249 | HEF4528BU | Dual monostable multivibrator |
| 13250 | HEF4531 | 13-input parity checker/generator |
| 13251 | HEF4531B | 13-input parity checker/generator |
| 13252 | HEF4531BD | 13-input parity checker/generator |
| 13253 | HEF4531BF | 13-input parity checker/generator |
| 13254 | HEF4531BN | 13-input parity checker/generator |
| 13255 | HEF4531BP | 13-input parity checker/generator |
| 13256 | HEF4531BT | 13-input parity checker/generator |
| 13257 | HEF4532 | 8-input priority encoder |
| 13258 | HEF4532B | 8-input priority encoder |
| 13259 | HEF4532BD | 8-input priority encoder |
| 13260 | HEF4532BDB | 8-input priority encoder |
| 13261 | HEF4532BF | 8-input priority encoder |
| 13262 | HEF4532BN | 8-input priority encoder |
| 13263 | HEF4532BP | 8-input priority encoder |
| 13264 | HEF4532BPB | 8-input priority encoder |
| 13265 | HEF4532BT | 8-input priority encoder |
| 13266 | HEF4534B | Real time 5-decade counter |
| 13267 | HEF4534BD | Real time 5-decade counter |
| 13268 | HEF4534BF | Real time 5-decade counter |
| 13269 | HEF4534BN | Real time 5-decade counter |
| 13270 | HEF4534BP | Real time 5-decade counter |
| 13271 | HEF4534BT | Real time 5-decade counter |
| 13272 | HEF4538B | Dual precision monostable multivibrator |
| 13273 | HEF4538BD | Dual precision monostable multivibrator |
| 13274 | HEF4538BDB | Dual precision monostable multivibrator |
| 13275 | HEF4538BF | Dual precision monostable multivibrator |
| 13276 | HEF4538BN | Dual precision monostable multivibrator |
| 13277 | HEF4538BP | Dual precision monostable multivibrator |
| 13278 | HEF4538BPB | Dual precision monostable multivibrator |
| 13279 | HEF4538BT | Dual precision monostable multivibrator |
| 13280 | HEF4538BU | Dual precision monostable multivibrator |
| 13281 | HEF4539B | Dual 4-input multiplexer |
| 13282 | HEF4539BD | Dual 4-input multiplexer |
| 13283 | HEF4539BF | Dual 4-input multiplexer |
| 13284 | HEF4539BN | Dual 4-input multiplexer |
| 13285 | HEF4539BP | Dual 4-input multiplexer |
| 13286 | HEF4539BT | Dual 4-input multiplexer |
| 13287 | HEF4541B | Programmable timer |
| 13288 | HEF4541BD | Programmable timer |
| 13289 | HEF4541BDB | Programmable timer |
| 13290 | HEF4541BF | Programmable timer |
| 13291 | HEF4541BN | Programmable timer |
| 13292 | HEF4541BP | Programmable timer |
| 13293 | HEF4541BPB | Programmable timer |
| 13294 | HEF4541BT | Programmable timer |
| 13295 | HEF4541BU | Programmable timer |
| 13296 | HEF4543B | BCD to 7-segment latch/decoder/driver |
| 13297 | HEF4543BD | BCD to 7-segment latch/decoder/driver |
| 13298 | HEF4543BDB | BCD to 7-segment latch/decoder/driver |
| 13299 | HEF4543BF | BCD to 7-segment latch/decoder/driver |
| 13300 | HEF4543BN | BCD to 7-segment latch/decoder/driver |
| | |
