IN74ACT273
O
CTAL
D F
LIP
-F
LOP WITH
C
OMMON
C
LOCK AND
R
ESET
High-Speed Silicon-Gate CMOS
The IN74ACT273 is identical in pinout to the LS/ALS273,
HC/HCT273. The IN74ACT273 may be used as a level converter
for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
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.
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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
碌A(chǔ);
0.1
碌A(chǔ)
@ 25擄C
Outputs Source/Sink 24 mA
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ORDERING INFORMATION
IN74ACT273N Plastic
IN74ACT273DW SOIC
T
A
= -40擄 to 85擄 C for all
packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Rese
t
L
H
H
H
H
Inputs
Clock
X
D
X
H
L
X
X
Output
Q
L
H
L
no
change
no
change
PIN 20=V
CC
PIN 10 = GND
L
X = don鈥檛 care
1
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