74LS192 PRESETTABLE 4-BIT BINARY / BCD / DECADE UP / DOWN COUNTER
74LS193 PRESETTABLE SYNCHRONOUS 4-BIT BINARY UP / DOWN COUNTER
74LS194 4-BIT BIDIRECTIONAL SHIFT REGISTER
74LS195 4-BIT PARALLEL ACCESS SHIFT REGISTER
74LS196 4-STAGE PRESETTABLE RIPPLE COUNTERS
74LS197 4-STAGE PRESETTABLE RIPPLE COUNTERS
74LS221 DUAL NON-RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
74LS240 OCTAL INVERTER BUFFER / LINE DRIVER 3-STATE
74LS241 OCTAL BUFFER / LINE DRIVER 3-STATE
74LS242 QUAD BUS TRANSCEIVER 3-STATE INVERTING
74LS243 QUAD BUS TRANSCEIVER 3-STATE
74LS244 OCTAL BUFFER / LINE DRIVER 3-STATE
74LS245 OCTAL BUS TRANSCEIVER 3-STATE
74LS247 BCD-TO-SEVEN SEGMENT DECODER / DRIVER
74LS249 BCD-TO-SEVEN-SEGMENT DECODERS / DRIVER - OPEN COLLECTOR
74LS251 8-INPUT MULTIPLEXER 3-STATE
74LS253 DUAL 4-INPUT MULTIPLEXER 3-STATE
74LS256 DUAL 4-BIT ADDRESSABLE LATCH