SN74LS190
SYNCHRONOUS UP/DOWN COUNTERS (Texas Instruments)
SN74LS190
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS (Motorola)
SN74LS191
SYNCHRONOUS UP/DOWN COUNTERS (Texas Instruments)
SN74LS191
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS (Motorola)
SN74LS192
UP/DOWN COUNTER (ON Semiconductor)
SN74LS192
PRESETTABLE BCD/DECADEUP/DOWN COUNTER (Motorola)
SN74LS193
PRESETTABLE 4-BIT BINARYUP/DOWN COUNTER (Motorola)
SN74LS193
SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (Texas Instruments)
SN74LS194A
4?Bit Bidirectional Universal Shift Register (ON Semiconductor)
SN74LS194A
4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER (Motorola)