| No. | Part Name | Description |
|---|
| 251 | D06G | Selenium Switching Diode |
| 252 | D06H | Selenium Switching Diode |
| 253 | D100D | 4 NAND gates with 2 inputs each, possibly equivalent SN7400N |
| 254 | D103D | 4 NAND gates with 2 inputs each, collector open, possibly equivalent SN7403N |
| 255 | D104D | 6 Inverter, possibly equivalent SN7404N |
| 256 | D108D | 4 AND gates with 2 inputs each, possibly equivalent SN7408N |
| 257 | D110D | 3 NAND gates with 3 inputs each, possibly equivalent SN7410N |
| 258 | D120D | 2 NAND gates with 4 inputs each, possibly equivalent SN7420N |
| 259 | D121D | Monoflop, possibly equivalent SN74121N |
| 260 | D122D | 2-channel read amplifier, possibly equivalent SN7522N |
| 261 | D123D | 2-channel read amplifier, possibly equivalent SN7523N |
| 262 | D126D | 4 NAND gates with 2 inputs each, collector open, 15V output reverse voltage, possibly equivalent SN7426N |
| 263 | D130D | 1 NAND gate with 8 inputs, possibly equivalent SN7430N |
| 264 | D140D | 2 NAND gates with 4 inputs each (power gates), possibly equivalent SN7440N |
| 265 | D146D | BCD to 7 segment decoder (30V), possibly equivalent SN7446N |
| 266 | D147D | BCD to 7 segment decoder (15V), possibly equivalent SN7447N |
| 267 | D150D | 2 AND-NOR gates with 2 x 2 inputs each, 1 gate with expansion the entrance, possibly equivalent SN7450N |
| 268 | D153D | 1 AND-NOR gate with 4 x 2 inputs each and expander input, possibly equivalent SN7453N |
| 269 | D160D | 2 expanders with 4 inputs each, possibly equivalent SN7460N |
| 270 | D172D | J-K Master-Slave Flip-Flop, possibly equivalent SN7472N |
| 271 | D174D | 2 edge-triggered D flip-flop, possibly equivalent SN7474N |
| 272 | D175D | Quad memory flip-flop, possibly equivalent SN7475N |
| 273 | D181D | 16 bit memory (RAM), possibly equivalent SN7481N |
| 274 | D191D | 8 bit shift register, possibly equivalent SN7491N |
| 275 | D192D | Synchronous up/down decimal counter, possibly equivalent SN74192N |
| 276 | D193D | Synchronous forward/reverse binary counter, possibly equivalent SN74193N |
| 277 | D195D | 4 bit left-right shift register, possibly equivalent SN7495N |
| 278 | D200D | 4 NAND gates with 2 inputs each, TTL fast series, possibly equivalent SN74H00N |
| 279 | D201D | 4 NAND gates with 2 inputs each, collector open, TTL fast series, possibly equivalent SN74H01N |
| 280 | D204D | 6 inverters, TTL fast series, possibly equivalent SN74H04N |
| 281 | D210D | 3 NAND gates with 3 inputs each, TTL fast series, possibly equivalent SN74H10N |
| 282 | D220D | 2 NAND gates with 4 inputs each, TTL fast series, possibly equivalent SN74H20N |
| 283 | D230D | 1 NAND gate with 8 inputs, TTL fast series, possibly equivalent SN74H30N |
| 284 | D240D | 2 NAND gates with 4 inputs each, power gates, TTL fast series, possibly equivalent SN74H40N |
| 285 | D251D | 2 AND-NOR gates with 2 x 2 inputs each, TTL fast series, possibly equivalent SN74H51N |
| 286 | D254D | 1 AND-NOR gate with 3 x 2 and 1 x 3 inputs, TTL fast series, possibly equivalent SN74H54N |
| 287 | D274D | 2 edge-triggered D flip-flop, possibly equivalent SN74H74N |
| 288 | D345D | BCD to 7 segment decoder driver with constant current outputs |
| 289 | D346D | BCD to 7 segment decoder driver with constant current outputs |
| 290 | D347D | BCD to 7 segment decoder driver with constant current outputs, possibly equivalent SN74LS247N |
| 291 | D348D | BCD to 7 segment decoder driver with constant current outputs, possibly equivalent SN74LS247N |
| 292 | D394D | Control circuit for chipped steppers motors and magnets |
| 293 | D395D | Driver circuit for stepper motors and magnets |
| 294 | D410D | 3 drivers, short circuit proof, possibly equivalent SAA1029 |
| 295 | D461D | 2x driver for MOS memory, possibly equivalent SN75361N |
| 296 | D492D | 6 digit drivers, possibly equivalent SN75492N |
| 297 | D716X | Control chip for the heating resistors of thermal prin heads |
| 298 | D718D | 16 bit serial parallel converter |
| 299 | DL000D | 4 NAND gates with 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS00N |
| 300 | DL002D | 4 NOR gates with 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS02N |
| | |
