Philips Electronics
Dual 4-bit binary ripple counter
NXP Semiconductors.
Quad 2-input OR gate
NXP Semiconductors.
Hex buffer/line driver; 3-state; inverting
NXP Semiconductors.
Inverter
Philips Electronics
Octal D-type flip-flop with data enable; positive-edge trigger
NXP Semiconductors.
Triple inverter with open-drain outputs
Philips Electronics
Dual 4-bit binary ripple counter