| Nr. | Part Name | Description | Manufacturer by |
| 90081 | 74LS251 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90082 | 74LS251 | DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas Instruments |
| 90083 | 74LS253 | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 90084 | 74LS257 | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 90085 | 74LS257 | Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) | Hitachi Semiconductor |
| 90086 | 74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 90087 | 74LS257 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90088 | 74LS257 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | Texas Instruments |
| 90089 | 74LS259 | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 90090 | 74LS260 | DUAL 5-INPUT NOR GATE | Motorola |
| 90091 | 74LS266 | Quad 2-Input Exclusive-NOR Gate with Open-Collector Outputs | Fairchild Semiconductor |
| 90092 | 74LS266 | Quadruple 2-input Exclusive-NOR Gates(with open collector outputs) | Hitachi Semiconductor |
| 90093 | 74LS266 | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES WITH OPEN-COLLECTOR OUTPUTS | Texas Instruments |
| 90094 | 74LS27 | Triple 3-input Positive NOR Gates | Hitachi Semiconductor |
| 90095 | 74LS273 | OCTAL D FLIP-FLOP WITH CLEAR | Motorola |
| 90096 | 74LS273 | 8-Bit Register with Clear | Fairchild Semiconductor |
| 90097 | 74LS273 | Octal D-type Positive-edge-triggered Flip-Flops(with Clear) | Hitachi Semiconductor |
| 90098 | 74LS273 | OCTAL POSITIVE EDGE-TRIGGERED D-TYPE FLIP FLOP WITH RESET | Mitsubishi Electric Corporation |
| 90099 | 74LS273 | 8-Bit Register with Clear | National Semiconductor |
| 90100 | 74LS273 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90101 | 74LS273 | OCTAL D-TYPE FLIP-FLOP WITH CLEAR | Texas Instruments |
| 90102 | 74LS279 | Quad S-R Latch | Fairchild Semiconductor |
| 90103 | 74LS279 | Quadruple S-R Latches | Hitachi Semiconductor |
| 90104 | 74LS28 | QUAD 2-INPUT NOR BUFFER | Motorola |
| 90105 | 74LS280 | 9-bit Odd/Even Parity Generators/Checkers | Hitachi Semiconductor |
| 90106 | 74LS280 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90107 | 74LS280 | 9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS | Texas Instruments |
| 90108 | 74LS283 | 4-Bit Binary Adders with Fast Carry | National Semiconductor |
| 90109 | 74LS289 | 64BIT RANDOM ACCESS MEMORY | Unknow |
| 90110 | 74LS289 | 64BIT RANDOM ACCESS MEMORY | Unknow |
| 90111 | 74LS293 | DECADE COUNTER; 4-BIT BINARY COUNTER | Motorola |
| 90112 | 74LS293 | 4-bit Binary Counters | Hitachi Semiconductor |
| 90113 | 74LS293 | DECADE COUNTER; 4-BIT BINARY COUNTER | ON Semiconductor |
| 90114 | 74LS293 | DECADE AND 4-BIT BINARY COUNTERS | Texas Instruments |
| 90115 | 74LS294 | PROGRAMMABLE FREQUENCY DIVIDERS/DIGITAL TIMERS | Texas Instruments |
| 90116 | 74LS295 | 4-BIT RIGHT-SHIFT LEFT-SHIFT REGISTERS WITH 3-STATE OUTPUTS | Texas Instruments |
| 90117 | 74LS298 | QUAD 2-INPUT MULTIPLEXER WITH STORAGE | Motorola |
| 90118 | 74LS298 | Quad 2-Port Register Multiplexer with Storage | Fairchild Semiconductor |
| 90119 | 74LS298 | Quadruple 2-input Multiplexers(with storage) | Hitachi Semiconductor |
| 90120 | 74LS298 | LOW POWER SCHOTTKY | ON Semiconductor |
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