IN74AC273 查看數據表（PDF） - IK Semicon Co., Ltd
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IN74AC273 Datasheet PDF : 6 Pages
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Octal D Flip-Flop with
Common Clock and Reset
TECHNICAL DATA
IN74AC273
The IN74AC273 is identical in pinout to the LS/ALS273,
HC/HCT273. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
This device consists of eight D flip-flops with common Clock and
Reset inputs. Each flip-flop is loaded with a low-to-high transition of the
Clock input. Reset is asynchronous and active low.
• 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
IN74AC273N Plastic
IN74AC273DW SOIC
TA = -40° to 85° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 20=VCC
PIN 10 = GND
FUNCTION TABLE
Inputs
Reset Clock
D
L
X
X
H
H
H
L
H
L
X
H
X
X = don’t care
Output
Q
L
H
L
no change
no change
Rev. 00
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