IN74ACT573
O
CTAL
3-S
TATE
N
ONINVERTING
T
RANSPARENT
L
ATCH
High-Performance Silicon-Gate CMOS
The IN74ACT573 is identical in pinout to the LS/ALS573,
HC/HCT573. The IN74ACT573 may be used as a level converter
for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
These latches appear transparent to data (i.e., the outputs
change asynchronously) when Latch Enable is high. When Latch
Enable goes low, data meeting the setup and hold time becomes
latched.
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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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鈥?/div>
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LOGIC DIAGRAM
ORDERING INFORMATION
IN74ACT573N Plastic
IN74ACT573DW SOIC
T
A
= -40擄 to 85擄 C for all
packages
PIN ASSIGNMENT
PIN 20=V
CC
PIN 10 = GND
FUNCTION TABLE
Output
Enable
L
L
L
H
Inputs
Latch
Enable
H
H
L
X
D
H
L
X
X
Output
Q
H
L
no
change
Z
X = don鈥檛 care
Z = high impedance
1
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