IN74HC573A 데이터 시트보기 (PDF) - IK Semicon Co., Ltd
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IN74HC573A Datasheet PDF : 6 Pages
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TECHNICAL DATA
IN74HC573A
Octal 3-State Noninverting
Transparent Latch
High-Performance Silicon-Gate CMOS
The IN74HC573A is identical in pinout to the LS/ALS573. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LS/ALSTTL outputs.
These latches appear transparent to data (i.e., the outputs change
asynchronously) when LE is high. When LE goes low, data meeting the
setup and hold time becomes latched.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
N SUFFIX
PLASTIC DIP
20
1
20
1
DW SUFFIX
SOIC
ORDERING INFORMATION
IN74HC573AN
Plastic DIP
IN74HC573ADW SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
DATA
INPUTS
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
NON INVERTING
OUTPUTS
PIN ASSIGNMENT
OE 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
GND 10
20 V CC
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
11 LE
11
LE
OE 1
PIN 20=VCC
PIN 10 = GND
FUNCTION TABLE
Inputs
Output
OE
LE
D
Q
L
H
H
H
L
H
L
L
L
L
X no change
H
X
X
Z
H= high level
L = low level
X = don’t care
Z = high impedance
Rev. 00
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