| Nr. | Part Name | Description | Manufacturer by |
| 90241 | 74LS73 | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs | Fairchild Semiconductor |
| 90242 | 74LS73 | Dual J-K Flip-Flops(with Clear) | Hitachi Semiconductor |
| 90243 | 74LS73 | DUAL J-K FLIP-FLOPS WITH CLEAR | Texas Instruments |
| 90244 | 74LS73A | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs | Fairchild Semiconductor |
| 90245 | 74LS73A | Dual J-K Flip-Flops(with Clear) | Hitachi Semiconductor |
| 90246 | 74LS73A | DUAL J-K FLIP-FLOPS WITH CLEAR | Texas Instruments |
| 90247 | 74LS74 | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP | Motorola |
| 90248 | 74LS74 | Dual Positive-Edge-Triggered D Flip-Flops with Preset/ Clear and Complementary Outputs | Fairchild Semiconductor |
| 90249 | 74LS74 | Dual D-type Positive Edge-triggered Flip-Flops(With Preset and Clear) | Hitachi Semiconductor |
| 90250 | 74LS74 | Dual Positive-Edge-Triggered D Flip-Flops with Preset/ Clear and Complementary Outputs | National Semiconductor |
| 90251 | 74LS74 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90252 | 74LS74A | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | Texas Instruments |
| 90253 | 74LS75 | 4-BIT D LATCH | Motorola |
| 90254 | 74LS75 | Quad Latch | Fairchild Semiconductor |
| 90255 | 74LS75 | Quadruple Bistable Latches | Hitachi Semiconductor |
| 90256 | 74LS75 | 4-BIT BISTABLE LATCHES | Texas Instruments |
| 90257 | 74LS76 | Dual J-K Flip-Flop(with Preset and Clear) | Hitachi Semiconductor |
| 90258 | 74LS76 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90259 | 74LS77 | 4-BIT D LATCH LOW POWER SCHOTTKY | Motorola |
| 90260 | 74LS793 | 8 Bit Latch / Register with Readback | Monolithic Memories |
| 90261 | 74LS794 | 8 Bit Latch / Register with Readback | Monolithic Memories |
| 90262 | 74LS83 | 4-BIT BINARY FULL ADDER WITH FAST CARRY | Motorola |
| 90263 | 74LS83 | 4-Bit Binary Adder with Fast Carry | Fairchild Semiconductor |
| 90264 | 74LS848 | 8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS | Motorola |
| 90265 | 74LS85 | 4-Bit Magnitude Comparator | Fairchild Semiconductor |
| 90266 | 74LS85 | LOW POWER SCHOTTKY | ON Semiconductor |
| 90267 | 74LS86 | Quad 2-Input Exclusive-OR Gate | Fairchild Semiconductor |
| 90268 | 74LS86 | Quadruple 2-input Exclusive-OR Gates | Hitachi Semiconductor |
| 90269 | 74LS86 | Quad 2-Input Exclusive OR Gate | System Logic Semiconductor |
| 90270 | 74LS89 | 64-Bit Random Access Memory(Open Collector) | Signetics |
| 90271 | 74LS89 | 64-Bit Random Access Memory(Open Collector) | Signetics |
| 90272 | 74LS90 | DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER | Motorola |
| 90273 | 74LS90 | Decade and Binary Counters | Fairchild Semiconductor |
| 90274 | 74LS90 | Decade and Binary Counters | National Semiconductor |
| 90275 | 74LS91 | 8-BIT SHIFT REGISTERS | Texas Instruments |
| 90276 | 74LS92 | DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER | Motorola |
| 90277 | 74LS92 | Divide-by-Twelve Counters | Hitachi Semiconductor |
| 90278 | 74LS92 | DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER | ON Semiconductor |
| 90279 | 74LS92 | DECADE/ DIVIDE-BY-TWELVE AND BINARY COUNTERS | Texas Instruments |
| 90280 | 74LS93 | DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER | Motorola |
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