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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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Basic logic gates are available from multiple manufacturers as industry-standard ICs, which are functionally and pin-compatible. These ICs are called standard logic ICs.
Standard logic ICs from different manufacturers are housed in pin-compatible packages, except some small packages.
Standard logic ICs with the same function number provide the same function and pin assignment.
【Reference: Function numbers of typical standard logic ICs】
The function numbers of standard logic ICs are predefined according to the function, number of circuits, input logic, and output logic.
Function number | Function name |
---|---|
00 | Quad 2-input NAND |
02 | Quad 2-input NOR |
04 | Hex Inverter |
05 | Hex Inverter (Open-Drain) |
07 | Hex Buffer (Open-Drain) |
08 | Quad 2-Input AND |
14 | Hex Schmitt Inverter |
17 | Hex Schmitt Buffer |
21 | Dual 4-Input AND |
32 | Quad 2-Input OR |
74 | Dual D-Type Flip-Flop with Preset and Clear |
86 | Quad Exclusive OR |
Function number | Function name |
---|---|
123 | Dual Monostable Multivibrator |
125 | Quad Bus Buffer (3-State) |
138 | 3-to-8 Line Decoder |
157 | Quad 2-Channel Multiplexer |
164 | 8-Bit Serial-In / Parallel-Out Shift Register |
244 | Octal Bus Buffer (3-State) |
245 | Octal Bus Transceiver (3-State) |
273 | Octal D-Type Flip-Flop with Clear |
373 | Octal D-Type Latch (3-State) |
541 | Octal Bus Buffer (3-State) |
574 | Octal D-Type Flip-Flop (3-State) |
595 | 8-Bit Shift Register/Latch (3-State) |