74LVC543AD Ver la hoja de datos (PDF) - Philips Electronics
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74LVC543AD Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type registered transceiver (3-State)
Product specification
74LVC543A
PIN CONFIGURATION
LEBA 1
OEBA 2
A0 3
A1 4
A2 5
A3 6
A4 7
A5 8
A6 9
A7 10
EBA 11
GND 12
24 VCC
23 EAB
22 B0
21 B1
20 B2
19 B3
18 B4
17 B5
16 B6
15 B7
14 LEAB
13 OEAB
SW00212
PIN DESCRIPTION
PIN NUMBER
SYMBOL
1
LEBA
2
3,4,5,6, 7, 8, 9 10
11
12
22, 21, 20, 19,
18, 17, 16, 15
13
OEBA
A0 to A7
EBA
GND
B0 to B7
OEAB
14
LEAB
23
EAB
24
VCC
FUNCTION
’B’ to ’A’ latch enable input
(active LOW)
’B’ to ’A’ output enable
input (active LOW)
’A’ data inputs/outputs
’B’ to ’A’ enable input
(active LOW)
ground (0V)
’B’ data inputs/outputs
’A’ to ’B’ output enable
input (active LOW)
’A’ to ’B’ latch enable input
(active LOW)
’A’ to ’B’ enable input
(active LOW)
positive supply voltage
LOGIC SYMBOL
3 A0
4 A1
5 A2
6 A3
7 A4
8 A5
9 A6
10 A7
2 OEBA
13 OEAB
11 EBA
23 EAB
14 LEAB
1 LEBA
B0 22
B1 21
B2 20
B3 19
B4 18
B5 17
B6 16
B7 15
LOGIC SYMBOL (IEEE/IEC)
SW00213
2
1EN3
23
G1
1
1C5
13
2EN4
11
G2
14
2C6
3
22
∇3
5D
6D
4∇
4
21
5
20
6
19
7
18
8
17
9
16
10
15
SW00214
1998 Jul 31
3
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