SN74LS290
DECADE COUNTER 4-BIT BINARY COUNTER (Motorola)
SN74LS290
DECADE AND 4-BIT BINARY COUNTERS (Texas Instruments)
SN74LS292
Programmable Frequency Dividers and Digital Timer (Texas Instruments)
SN74LS293
DECADE AND 4-BIT BINARY COUNTERS (Texas Instruments)
SN74LS293
DECADE COUNTER 4-BIT BINARY COUNTER (Motorola)
SN74LS294
Programmable Frequency Dividers and Digital Timer (Texas Instruments)
SN74LS297
DIGITAL PHASE-LOCKED-LOOP FILTER (Texas Instruments)
SN74LS298
Quadruple 2-Input Multiplexers (Texas Instruments)
SN74LS298
Quad 2-Input Multiplexer (ON Semiconductor)
SN74LS298
QUAD 2-INPUT MULTIPLEXER (Motorola)