Details

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BUY Logic integrated circuit 74HC393D https://www.utsource.net/itm/p/8037827.html
IC COUNTER DUAL 4BIT BIN 14SOIC

Parameter	Description
Part Number	74HC393D
Function	Dual 4-bit Binary Counter
Supply Voltage (Vcc)	2V to 6V (Recommended Operating Condition: 4.5V to 5.5V)
Supply Current	Typically 10μA at Vcc = 5V (Quiescent)
**Input Voltage High (VIH)	Min: 3.15V (at Vcc = 4.5V), Min: 3.5V (at Vcc = 5V)
**Input Voltage Low (VIL)	Max: 1.35V (at Vcc = 4.5V), Max: 1.5V (at Vcc = 5V)
**Output Voltage High (VOH)	Min: 4.4V (at Vcc = 4.5V, IOL = -0.4mA), Min: 4.6V (at Vcc = 5V)
**Output Voltage Low (VOL)	Max: 0.1V (at Vcc = 4.5V, IOH = 8mA), Max: 0.1V (at Vcc = 5V)
Propagation Delay Time	Typ: 16ns (at Vcc = 5V)
Operating Temperature	-40°C to +85°C
Package Type	DIP, SOIC

Instructions for Use:

1. Power Supply: Connect the power supply voltage (Vcc) to pin 16 and ground (GND) to pin 8. Ensure Vcc is within the specified range.
2. Counter Operation: The 74HC393D contains two independent 4-bit binary counters. Each counter can be used separately or cascaded for higher bit counting.
3. Clock Input: Apply clock pulses to the appropriate clock input pins (CP0 and CP1). The counters increment on the rising edge of the clock signal.
4. Reset Function: Both counters have individual reset inputs (MR0 and MR1). A low level on these pins will reset the respective counter to zero.
5. Cascade Connection: For cascading the counters, connect the output of one counter stage to the clock input of the next stage.
6. Output Handling: Outputs Q0 to Q3 provide the binary count. Ensure that any connected load does not exceed the maximum current ratings.
7. Decoupling Capacitors: Place a decoupling capacitor close to the Vcc and GND pins to minimize noise and improve stability.

Note: Always refer to the manufacturer's datasheet for detailed specifications and additional information.

(For reference only)