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KK74AC299 Datasheet(PDF) 1 Page - KODENSHI KOREA CORP.

Part No. KK74AC299
Description  8-Bit Bidirectional Universal Shift Register with Parallel I/O High-Speed Silicon-Gate CMOS
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Maker  KODENSHI [KODENSHI KOREA CORP.]
Homepage  http://www.kodenshi.co.kr
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KK74AC299 Datasheet(HTML) 1 Page - KODENSHI KOREA CORP.

   
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TECHNICAL DATA
KK74AC299
8-Bit Bidirectional Universal
Shift Register with Parallel I/O
High-Speed Silicon-Gate CMOS
ORDERING INFORMATION
KK74AC299N Plastic
KK74AC299DW SOIC
TA = -40° to 85° C for all packages
The
KK74AC299
is
identical
in
pinout
to
the
LS/ALS299,
HC/HCT299. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
The KK74AC299 features a multiplexed parallel input/output data port
to achieve full 8-bit handling in a 20 pin package. Due to the large output
drive capability and the 3-state feature, this device is ideally suited for
interface with bus lines in a bus-oriented system.
Two Mode-Select inputs and two Output Enable inputs are used to
choose the mode of operation as listed in the Function Table.
Synchronous parallel loading is accomplished by taking both Mode-
Select lines, S1 and S2, high. This places the outputs in the high-
impedance state, which permits data applied to the data port to be clocked
into the register. Reading out of the register can be accomplished when
the outputs are enabled. The active-low asynchronous Reset overrides all
other inputs.
• Outputs Directly Interface to CMOS, NMOS, and TTL
PIN ASSIGNMENT
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA
LOGIC DIAGRAM
PIN 20=VCC
PIN 10 = GND
1


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