74HC193 (Presettable Synchronous Counter)

From the shop's description

74HC193 is a Presettable synchronous 4-bit binary up/down counter Specification Propagation Delay Time: 215 ns at 2V / 37 ns at 6V Output Current: 5.2 mA at 6 V No. of Inputs: 4 No. of Pins: 16 Operating Temperature Range : -40 C to +125 C. Supply Voltage Range: 2V to 6V Package: DIP-16 Sympol pin Description D 0 15 data input 0 D ­1 1 data input 1 D ­2 10 data input 2 D ­3 9 data input 3 Q ­0 3 flip-flop output 0 Q -1 ­ 2 flip-flop output 1 Q ­2 6 flip-flop output 2 Q ­3 7 flip-flop output 3 CPD 4 count down clock input[1] CPU 5 count up clock input[1] GND 8 ground (0 V) PL 11 asynchronous parallel load input (active LOW TCU 12 terminal count up (carry) output (active LOW) TCD 13 asynchronous master reset input (active HIGH) MR 14 asynchronous master reset input (active HIGH) Vcc 16 supply voltage For 74HC193 Datasheet, Click here <!-- table, th, td { border: 1px solid black; } -->