74LV573 데이터 시트보기 (PDF) - Philips Electronics
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74LV573 Datasheet PDF : 14 Pages
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Philips Semiconductors
Octal D-type transparent latch (3-State)
Product specification
74LV573
FUNCTION TABLE
OPERATING MODES
INPUTS
OE
LE
Dn
Enable and read register
(transparent mode)
L
H
L
L
H
H
Latch and read register
L
L
I
L
L
h
Latch register and disable outputs
H
H
L
L
I
h
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition
Z = High impedance OFF-state
INTERNAL
LATCHES
L
H
L
H
L
H
PIN CONFIGURATION
LOGIC SYMBOL
OUTPUTS
Q0 to Q7
L
H
L
H
Z
Z
1
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
OE
2
D0
Q0
19
3
D1
4
D2
Q1
18
Q2
17
5
D3
6
D4
Q3
16
Q4
15
7
D5
Q5
14
8
D6
Q6
13
9
D7
Q7
12
LE
SV00701
11
SV00702
1998 Jun 10
3
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