See Brady produtos
Counter Single 4-Bit Async Binary/Decade UP/Down 16-Pin PDIP Tube
CMOS Presettable Up/down Counter 16-lead DIP
CMOS 7-stage Ripple-carry Binary Counter/divider 14-lead DIP
CMOS Synchronous Programmable 4-bit Binary Counter W/asynch Clear 16-lead DIP
Low Power Schottky 4-bit Binary Counter Divide By 2 And 8 14-lead DIP
Synchronous Up/down Dual Clock Generator Binary W/clear 16-lead DIP
CMOS 14-stage Ripple Carry Binary Counter/divider And Oscillator 16-lead DIP
Dual 4-Stage Binary Ripple Counter with ÷2 and ÷5 Sections
Octal Counter
Decade Counter/Divider