Philips Electronics
Hex inverting Schmitt trigger
Fairchild Semiconductor
Triple 3-Input AND Gate
STMicroelectronics
DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
Anaren Microwave
Mixers Double Balanced
Motorola => Freescale
BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
Fairchild Semiconductor
Single Operational Amplifier
Motorola => Freescale
BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS