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KK4021B

KODENSHI KOREA
Part Number KK4021B
Manufacturer KODENSHI KOREA
Description 8-Bit Shift Register High-Voltage Silicon-Gate CMOS
Published Aug 15, 2009
Detailed Description www.DataSheet4U.com TECHNICAL DATA KK4021B 8-Bit Shift Register High-Voltage Silicon-Gate CMOS The KK4021B is an Edge...
Datasheet PDF File KK4021B PDF File

KK4021B
KK4021B

Overview
www.
DataSheet4U.
com TECHNICAL DATA KK4021B 8-Bit Shift Register High-Voltage Silicon-Gate CMOS The KK4021B is an Edge-Triggered 8-Bit Shift Register (Parallel-toSerial Converter) with a synchronous Serial Data Input (DS), a Clock Input (CP), an asynchronous active HIGH Parallel Load Input (PL), eight asynchronous Parallel Data Inputs (P0-P7) and Buffered Parallel Outputs from the last three stages (Q5-Q7).
Information on the Parallel Data Inputs (P0-P7) is asynchronously loaded into the register while the Parallel Load Input (PL) is HIGH, independent of the Clock (CP) and Serial Data (DS) inputs.
Data present in the register is stored on the HIGH-to-LOW transition of the Parallel Load Input (PL).
When the Parallel Load Input is LOW, data on the Serial Data Input (DS) is shifted into the first register position and all the data in the register is shifted one position to the right on the LOW-to-HIGH transition of the Clock Input (CP).
• Operating Voltage Range: 3.
0 to 18 V • Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C • Noise margin (over full package temperature range): 1.
0 V min @ 5.
0 V supply 2.
0 V min @ 10.
0 V supply 2.
5 V min @ 15.
0 V supply ORDERING INFORMATION KK4021BN Plastic KK4021BDW SOIC TA = -55° to 125° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE SERIAL OPERATION: t n n+1 n+2 n+3 CP DS 0 1 0 1 X PL 0 0 0 0 0 Q5 t=n+6 0 1 0 1 Q5 P7 D Q6 t=n+7 0 1 0 Q6 Q5 D Q6 D Q7 t=n+8 0 1 Q7 Q7 D PARALLEL OPERATION: CP DS PL P5 P6 X PIN 16 =VCC PIN 8 = GND X 1 D D X = don’t care D = 1 or 0 1 www.
DataSheet4U.
com KK4021B MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN PD 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 Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Power Dissipation per Output Transistor Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds ...


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