74LVC573A 查看數據表（PDF） - Philips Electronics
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产品描述 (功能)
生产厂家
74LVC573A
Philips Electronics
74LVC573A Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type transparent latch with 5-volt
tolerant inputs/outputs (3-State)
Product specification
74LVC573A
PIN DESCRIPTION
PIN NUMBER SYMBOL
FUNCTION
1
2, 3, 4, 5,
6, 7, 8, 9
OE
D0-D7
Output enable input (active-Low)
Data inputs
19, 18, 17, 16,
15, 14, 13, 12
Q0-Q7 Data outputs
10
GND Ground (0V)
11
LE
Latch enable input (active-High)
20
VCC Positive supply voltage
PIN CONFIGURATION
OE 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
GND 10
20 VCC
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
11 LE
SA00395
LOGIC SYMBOL
1
OE
2
D0
Q0
19
3
D1
Q1
18
4
D2
Q2
17
5
D3
Q3
16
6
D4
Q4
15
7
D5
Q5
14
8
D6
Q6
13
9
D7
LE
Q7
12
11
SA00396
LOGIC SYMBOL (IEEE/IEC)
11
C1
1
EN1
2
1D
3
4
5
6
7
8
9
FUNCTIONAL DIAGRAM
19
18
17
16
15
14
13
12
SA00397
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
11
LE
1
OE
LATCH
1 to 8
Q0 19
Q1 18
Q2 17
3-State
OUTPUTS
Q3 16
Q4 15
Q5 14
Q6 13
Q7 12
SA00398
1998 Jul 29
3
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