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
Dual 4−Stage Binary Counter
Motorola => Freescale
DUAL 4-INPUT NAND BUFFER
Motorola => Freescale
SCHMITT TRIGGERS DUAL GATE/HEX INVERTER
ON Semiconductor
Dual 4-Input Multiplexer with 3-State Outputs