74HC/HCT4538   Datasheet

Philips Electronics

Dual retriggerable precision monostable multivibrator

Philips Electronics

Quad 2-input NOR gate

Philips Electronics

Quad 2-input OR gate

Philips Electronics

Presettable synchronous 4-bit binary counter; synchronous reset

Philips Electronics

4-bit parallel access shift register

Philips Electronics

Presettable synchronous BCD decade counter; synchronous reset

Philips Electronics

8-input multiplexer/register; 3-state

Philips Electronics

4-bit full adder with fast carry

Philips Electronics

Presettable synchronous BCD decade up/down counter

NXP Semiconductors.

Quad buffer/line driver; 3-state