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KK74ACT651

Part Number	KK74ACT651
Manufacturer	KODENSHI KOREA
Description	Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate CMOS
Published	Apr 10, 2010
Detailed Description	TECHNICAL DATA www.DataSheet4U.com KK74ACT651 Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate ...
Datasheet	KK74ACT651 PDF File

Overview

TECHNICAL DATA www.
DataSheet4U.
com KK74ACT651 Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate CMOS The KK74ACT651 is identical in pinout to the LS/ALS651, HC/HCT651.
The KK74ACT651 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
These devices consists of bus transceiver circuits, D-type flip-flop, and control circuitry arranged for multiplex transmission of data directly from the data bus or from the internal storage registers.
Direction and Output Enable are provided to select the read-time or stored data function.
Data on the A or B Data bus, or both, can be stored in the internal D flipflops by low-to-high transitions at the appropriate clock pins (A-to-B Clock or B-to-A Clock) regardless of the select or enable or enable control pins.
When A-to-B Source and B-to-A Source are in the real-time transfer mode, it is also possible to store data without using the internal D-type flip-flops by simultaneously enabling Direction and Output Enable.
In this configuration each output reinforces its input.
Thus, when all other data sources to the two sets of bus lines are at high impedance, each set of bus lines will remain at its last state.
The KK74ACT651 has inverted outputs.
• TTL/NMOS Compatible Input Levels • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 4.
5 to 5.
5 V • Low Input Current: 1.
0 µA; 0.
1 µA @ 25°C • Outputs Source/Sink 24 mA ORDERING INFORMATION KK74ACT651N Plastic KK74ACT651DW SOIC TA = -40° to 85° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM PIN 24=VCC PIN 12 = GND 1 www.
DataSheet4U.
com KK74ACT651 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 Sink/Source Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Sto...

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