National ->Texas Instruments
16-Key Encoder / 20-Key Encoder
Fairchild Semiconductor
Quad 2-Input AND Gate
Fairchild Semiconductor
Quad 2-Input NAND Gate • Quad 2-Input NOR Gate • Hex Inverter
Fairchild Semiconductor
8-Bit Parallel-Out Serial Shift Register
Fairchild Semiconductor
Hex Open Drain N-Channel Buffers • Hex Open Drain P-Channel Buffers
Fairchild Semiconductor
Quad 2-Input NAND Gate • Quad 2-Input NOR Gate • Hex Inverter
Fairchild Semiconductor
4-Digit Expandable Segment Display Controller
Fairchild Semiconductor
Quad 2-Input AND Gate
Fairchild Semiconductor
MM74C192 • Synchronous 4-Bit Up/Down Decade Counter • MM74C193 Synchronous 4-Bit Up/Down Binary Counter
Fairchild Semiconductor
16-Key Encoder • 20-Key Encoder
Maxim Integrated
4 Digit Up/Down Counter/Decoder/Driver
Fairchild Semiconductor
Dual D-Type Flip-Flop