| SN5427 |  | Texas Instruments | TRIPLE 3-INPUT POSITIVE NOR GATES | Original | PDF | 207.85KB | 6 | 
| SN54270 |  | Texas Instruments | PROGRAMMABLE READ-ONLY MEMORIES | Scan | PDF | 367.22KB | 5 | 
| SN54270J |  | Texas Instruments | PROGRAMMABLE READ-ONLY MEMORIES | Scan | PDF | 367.22KB | 5 | 
| SN54271 |  | Texas Instruments | PROGRAMMABLE READ-ONLY MEMORIES | Scan | PDF | 367.22KB | 5 | 
| SN54271J |  | Texas Instruments | PROGRAMMABLE READ-ONLY MEMORIES | Scan | PDF | 367.22KB | 5 | 
| SN54273 |  | Texas Instruments | OCTAL D-TYPE FLIP-FLOP WITH CLEAR | Original | PDF | 96.17KB | 6 | 
| SN54273J |  | Texas Instruments | OCTAL D-TYPE FLIP-FLOP WITH CLEAR | Original | PDF | 96.17KB | 6 | 
| SN54273W |  | Texas Instruments | OCTAL D-TYPE FLIP-FLOP WITH CLEAR | Original | PDF | 96.17KB | 6 | 
| SN54276 |  | Texas Instruments | QUAD J-K FLIP-FLOPS | Original | PDF | 175.11KB | 5 | 
| SN54276J |  | Texas Instruments | QUADRUPLE J-invertedK FLIP-FLOP | Original | PDF | 175.12KB | 5 | 
| SN54276J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 55.28KB | 1 | 
| SN54278 |  | Texas Instruments | 4-BIT CASCADEABLE PRIORITY REGISTERS | Original | PDF | 172.52KB | 5 | 
| SN54278J |  | Texas Instruments | Cascadable 4-Bit Priority Register | Original | PDF | 172.52KB | 5 | 
| SN54278J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 69.09KB | 1 | 
| 
 | 
| SN54278W |  | Texas Instruments | 4-BIT CASCADEABLE PRIORITY REGISTER | Original | PDF | 172.51KB | 5 | 
| SN54278W |  | Unknown | TTL Data Book 1980 | Scan | PDF | 69.09KB | 1 | 
| SN54279 |  | Texas Instruments | QUADRUPLE S-R LATCHES | Original | PDF | 164.59KB | 5 | 
| SN54279FK |  | Texas Instruments | QUADRUPLE Inverted S-Inverted R LATCH | Original | PDF | 164.59KB | 5 | 
| SN54279J |  | Texas Instruments | SN54279 - Quadruple S-R Latches 16-CDIP -55 to 125 | Original | PDF | 922.19KB | 17 | 
| SN54279J |  | Texas Instruments | Quadruple S</>-R</> Latches 16-CDIP -55 to 125 | Original | PDF | 1.31MB | 27 |