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KK74HC393A

Part Number	KK74HC393A
Manufacturer	KODENSHI KOREA
Description	Dual 4-Stage Binary Ripple Counter
Published	Jul 29, 2011
Detailed Description	TECHNICAL DATA KK74HC393A Dual 4-Stage Binary Ripple Counter High-Performance Silicon-Gate CMOS The KK74HC393A is iden...
Datasheet	KK74HC393A PDF File

Overview

TECHNICAL DATA KK74HC393A Dual 4-Stage Binary Ripple Counter High-Performance Silicon-Gate CMOS The KK74HC393A is identical in pinout to the LS/ALS393.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
This device consists of two independent 4-bit binary ripple counters with parallel outputs from each counter stage.
A÷256 counter can be obtained by cascading the two binary counters.
Internal flip-flops are triggered by high-to-low transitions of the clock input.
Reset for the counters is asynchronous and active-high.
State changes of the Q outputs do not occur simultaneously because of internal ripple delays.
Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or as strobes except when gated with the Clock of the KK74HC393A.
• Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.
0 to 6.
0 V • Low Input Current: 1.
0 µA • High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION KK74HC393AN Plastic KK74HC393AD SOIC TA = -55° to 125° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE Inputs Clock X PIN 14 =VCC PIN 7 = GND H L Reset H L L L L X = don’t care L No Change No Change No Change Advance to Next State Outputs www.
DataSheet4U.
net 1 KK74HC393A MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL * Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) Value -0.
5 to +7.
0 -1.
5 to VCC +1.
5 -0.
5 to VCC +0.
5 ±20 ±25 ±50 750 500 -65 to +150 260 Unit V V V mA mA mA mW °C °C Maximum Ratings are those values beyond which damage to the device may occur.
Functional operati...

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KK74HC393A Dual 4-Stage Binary Ripple Counter - KODENSHI KOREA

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