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KK74AC161 Datasheet(PDF) 1 Page - KODENSHI KOREA CORP.

Part No. KK74AC161
Description  Presettable Counter High-Speed Silicon-Gate CMOS
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Manufacturer  KODENSHI [KODENSHI KOREA CORP.]
Direct Link  http://www.kodenshi.co.kr
Logo KODENSHI - KODENSHI KOREA CORP.

KK74AC161 Datasheet(HTML) 1 Page - KODENSHI KOREA CORP.

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TECHNICAL DATA
KK74AC161
Presettable Counter
High-Speed Silicon-Gate CMOS
The
KK74AC161
is
identical
in
pinout
to
the
LS/ALS161,
HC/HCT161. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
The KK74AC161 is programmable 4-bit synchronous modulo-16
counter that feature parallel Load, asynchronous Reset, a Carry Output for
cascading and count-enable controls.
The KK74AC161 is binary counter with asynchronous Reset.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• 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
ORDERING INFORMATION
KK74AC161N Plastic
KK74AC161D SOIC
TA = -40° to 85° C for all packages
LOGIC DIAGRAM
Outputs
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Reset
Load
Enable
P
Enable
T
Clock
Q0
Q1
Q2
Q3
Function
L
X
X
X
X
L
L
L
L
Reset to “0”
H
L
X
X
P0
P1
P2
P3
Preset Data
H
H
X
L
No change
No count
H
H
L
X
No change
No count
H
H
H
H
Count up
Count
H
X
X
X
No change
No count
PIN ASSIGNMENT
X=don’t care
P0,P1,P2,P3 = logic level of Data inputs
Ripple Carry Out = Enable T
• Q0 • Q1 • Q2 • Q3
1


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