Philips Electronics
Triple 3-input NAND gate
NXP Semiconductors.
Hex D-type flip-flop with reset; positive-edge trigger
Philips Electronics
Quad 2-input NAND Schmitt trigger
NXP Semiconductors.
Presettable synchronous 4-bit binary up/down counter
Philips Electronics
Hex inverting Schmitt trigger
Philips Electronics
Dual JK flip-flop with reset; negative-edge trigger