| 161241 | 74F2645DCQR | Octal bus transceiver with 25 Ohm series resistors in the outputs. Device with burn-in. | National Semiconductor |
| 161242 | 74F2645DCX | Octal bus transceiver with 25 Ohm series resistors in the outputs. Devices shipped in 13 inches reels. | National Semiconductor |
| 161243 | 74F2645PCQR | Octal Bus Transceiver with 25 Series Resistors in the Output | National Semiconductor |
| 161244 | 74F2645PCX | Octal bus transceiver with 25 Ohm series resistors in the outputs. Devices shipped in 13 inches reels. | National Semiconductor |
| 161245 | 74F2645SC | Octal Bus Transceiver with 25 Series Resistors in the Outputs | Fairchild Semiconductor |
| 161246 | 74F2645SCQR | Octal bus transceiver with 25 Ohm series resistors in the outputs. Device with burn-in. | National Semiconductor |
| 161247 | 74F2645SCX | Octal Bus Transceiver with 25 Ohm Series Resistor in the Outputs | Fairchild Semiconductor |
| 161248 | 74F2645SCX | Octal bus transceiver with 25 Ohm series resistors in the outputs. Devices shipped in 13 inches reels. | National Semiconductor |
| 161249 | 74F269 | 8-Bit Bidirectional Binary Counter | Fairchild Semiconductor |
| 161250 | 74F269 | 8-Bit Bidirectional Binary Counter | National Semiconductor |
| 161251 | 74F269 | 8-bit bidirectional binary counter | Philips |
| 161252 | 74F269CW | 8-Bit Bidirectional Binary Counter | Fairchild Semiconductor |
| 161253 | 74F269SC | 8-Bit Bidirectional Binary Counter | Fairchild Semiconductor |
| 161254 | 74F269SCX | 8-Bit Bidirectional Binary Counter | Fairchild Semiconductor |
| 161255 | 74F269SPC | 8-Bit Bidirectional Binary Counter | Fairchild Semiconductor |
| 161256 | 74F27 | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 161257 | 74F27 | Triple 3-Input NOR Gate | National Semiconductor |
| 161258 | 74F27 | Triple 3-input NOR gate | Philips |
| 161259 | 74F273 | Octal D-Type Flip-Flop | Fairchild Semiconductor |
|
| 161260 | 74F273 | Octal D Flip-Flop | National Semiconductor |
| 161261 | 74F273A | Octal D flip-flop | Philips |
| 161262 | 74F273AD | Octal D flip-flop | Philips |
| 161263 | 74F273AN | Octal D flip-flop | Philips |
| 161264 | 74F273PC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 161265 | 74F273PC | Octal D flip-flop | National Semiconductor |
| 161266 | 74F273SC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 161267 | 74F273SC | Octal D Flip-Flop | National Semiconductor |
| 161268 | 74F273SCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 161269 | 74F273SCX | Octal D flip-flop | National Semiconductor |
| 161270 | 74F273SJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 161271 | 74F273SJ | Octal D Flip-Flop | National Semiconductor |
| 161272 | 74F273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 161273 | 74F273SJX | Octal D flip-flop | National Semiconductor |
| 161274 | 74F27PC | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 161275 | 74F27SC | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 161276 | 74F27SJ | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 161277 | 74F280 | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 161278 | 74F280 | 9-Bit Parity Generator/Checker | National Semiconductor |
| 161279 | 74F280 | 9-bit odd/even parity generator/checker | Philips |
| 161280 | 74F280B | 9-bit odd/even parity generator/checker | Philips |
