M74HC21M1R   Datasheet

STMicroelectronics

DUAL 4-INPUT AND GATE

STMicroelectronics

DUAL 4-INPUT AND GATE

STMicroelectronics

TRIPLE 3-INPUT NOR GATE

STMicroelectronics

DUAL 4-INPUT NAND GATE

STMicroelectronics

QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING)

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3 TO 8 LINE DECODER

STMicroelectronics

QUAD BUS TRANSCEIVER (3-STATE)

STMicroelectronics

PROGRAMMABLE DIVIDER/TIMER

STMicroelectronics

QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN

STMicroelectronics

HC258 QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING) HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE)