ON Semiconductor

Dual 4−Stage Binary Counter

Motorola => Freescale

DUAL 4-INPUT NAND BUFFER

Motorola => Freescale

SCHMITT TRIGGERS DUAL GATE/HEX INVERTER

Motorola => Freescale

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP

Motorola => Freescale

QUAD 2-INPUT NAND GATE

ON Semiconductor

Quad 2-Input OR Gate

ON Semiconductor

BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS

ON Semiconductor

Quad 2-Input AND Gate

ON Semiconductor

DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER

ON Semiconductor

Retriggerable monostable multivibrator

Motorola => Freescale

QUAD 2-INPUT NAND BUFFER

Motorola => Freescale

QUAD BUS TRANSCEIVER

ON Semiconductor

1-of-8 Decoder/Demultiplexer

ON Semiconductor

One-of-Ten Decoder