| 1554121 | TC74HC574AP | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUT NON-INVERTING | TOSHIBA |
| 1554122 | TC74HC5783AF | CMOS digital integrated circuit | TOSHIBA |
| 1554123 | TC74HC5783AFW | CMOS digital integrated circuit | TOSHIBA |
| 1554124 | TC74HC5783AP | CMOS digital integrated circuit | TOSHIBA |
| 1554125 | TC74HC590AF | 8-BIT BINARY COUNTER/REGISTER WITH 3-STATE OUTPUTS | TOSHIBA |
| 1554126 | TC74HC590AP | 8-BIT BINARY COUNTER/REGISTER WITH 3-STATE OUTPUTS | TOSHIBA |
| 1554127 | TC74HC592 | 8-BIT BINARY COUNTER WITH INPUT REGISTER | TOSHIBA |
| 1554128 | TC74HC592AF | 8-BIT BINARY COUNTER WITH INPUT REGISTER | TOSHIBA |
| 1554129 | TC74HC592AP | 8-BIT BINARY COUNTER WITH INPUT REGISTER | TOSHIBA |
| 1554130 | TC74HC595 | 8-BIT SHIFT REGISTER/LATCH(3-STATE) | TOSHIBA |
| 1554131 | TC74HC595AF | 8-BIT SHIFT REGISTER/ LATCH (3-STATE) | TOSHIBA |
| 1554132 | TC74HC595AFN | 8-BIT SHIFT REGISTER/ LATCH (3-STATE) | TOSHIBA |
| 1554133 | TC74HC595AP | 8-BIT SHIFT REGISTER/ LATCH (3-STATE) | TOSHIBA |
| 1554134 | TC74HC597AF | 8-BIT LATCH/SHIFT REGISTER | TOSHIBA |
| 1554135 | TC74HC597AP | 8-BIT LATCH/SHIFT REGISTER | TOSHIBA |
| 1554136 | TC74HC640 | OCTAL BUS TRANSCEIVER | TOSHIBA |
| 1554137 | TC74HC640 | OCTAL BUS TRANSCEIVER | TOSHIBA |
| 1554138 | TC74HC640AF | OCTAL BUS TRANSCEIVER 3-STATE, INVERTING | TOSHIBA |
| 1554139 | TC74HC640AP | OCTAL BUS TRANSCEIVER 3-STATE, INVERTING | TOSHIBA |
|
| 1554140 | TC74HC646AP | OCTAL BUS TRANSCEIVER/REGISTER (3-STATE) | TOSHIBA |
| 1554141 | TC74HC652AP | OCTAL BUS TRANSCEIVER / REGISTER (3-STATE) | TOSHIBA |
| 1554142 | TC74HC670 | 4 WORDx4 BIT REGISTER FILE(3-STATE) | TOSHIBA |
| 1554143 | TC74HC670AF | 4 WORD X 4 BIT REGISTER FILE (3-STATE) | TOSHIBA |
| 1554144 | TC74HC670AP | 4 WORD X 4 BIT REGISTER FILE (3-STATE) | TOSHIBA |
| 1554145 | TC74HC688 | 8BIT EQUALITY COMPARATOR | TOSHIBA |
| 1554146 | TC74HC688AF | 8-BIT EQUALITY COMPARATOR | TOSHIBA |
| 1554147 | TC74HC688AP | 8-BIT EQUALITY COMPARATOR | TOSHIBA |
| 1554148 | TC74HC697 | CMOS DIGITAL INTEGRATED CIRCUIT | TOSHIBA |
| 1554149 | TC74HC697AF | SYNCHRONOUS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER OUTPUT REGISTER (MULTIPLEXED 3-STATE OUTPUTS) | TOSHIBA |
| 1554150 | TC74HC697AP | SYNCHRONOUS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER OUTPUT REGISTER (MULTIPLEXED 3-STATE OUTPUTS) | TOSHIBA |
| 1554151 | TC74HC7240AF | OCTAL BUS BUFFER (WITH SCHMITT TRIGGER INPUTS) INVERTED, 3-STATE OUTPUTS | TOSHIBA |
| 1554152 | TC74HC7240AP | OCTAL BUS BUFFER (WITH SCHMITT TRIGGER INPUTS) INVERTED, 3-STATE OUTPUTS | TOSHIBA |
| 1554153 | TC74HC7244AF | OCTAL BUS BUFFER (WITH SCHMITT TRIGGER INPUTS) NON-INVERTED, 3-STATE OUTPUTS | TOSHIBA |
| 1554154 | TC74HC7244AP | OCTAL BUS BUFFER (WITH SCHMITT TRIGGER INPUTS) NON-INVERTED, 3-STATE OUTPUTS | TOSHIBA |
| 1554155 | TC74HC7266AF | QUAD EXCLUSIVE NOR GATE | TOSHIBA |
| 1554156 | TC74HC7266AP | QUAD EXCLUSIVE NOR GATE | TOSHIBA |
| 1554157 | TC74HC7292AF | PROGRAMMABLE DIVIDER / TIMER | TOSHIBA |
| 1554158 | TC74HC7292AP | PROGRAMMABLE DIVIDER / TIMER | TOSHIBA |
| 1554159 | TC74HC74AF | DUAL D-TYPE FLIP FLOP PRESET AND CLEAR | TOSHIBA |
| 1554160 | TC74HC74AFN | DUAL D-TYPE FLIP FLOP PRESET AND CLEAR | TOSHIBA |
