74lvc543a NXP Semiconductors, 74lvc543a Datasheet - Page 4

• Manufacturer Part Number: 74lvc543a
• Description: Octal D-type Registered Transceiver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
2004 Apr 07
Octal D-type registered transceiver; 3-state
Fig.1 Pin configuration SO24 and (T)SSOP24.
PIN
10
11
12
1
2
3
4
5
6
7
8
9
OE BA
LE BA
GND
E AB
A0
A1
A2
A3
A4
A5
A6
A7
LE
OE
A0
A1
A2
A3
A4
A5
A6
A7
E
GND
AB
SYMBOL
BA
10
11
12
BA
1
2
3
4
5
6
7
8
9
543A
001aaa341
B to A latch enable input
(active LOW)
B to A output enable
input (active LOW)
A data input or output
A data input or output
A data input or output
A data input or output
A data input or output
A data input or output
A data input or output
A data input or output
A to B enable input
(active LOW)
ground (0 V)
DESCRIPTION
24
23
22
21
20
19
18
17
16
15
14
13
V CC
E BA
B0
B1
B2
B3
B4
B5
B6
B7
LE AB
OE AB
4
The die substrate is attached to the exposed die pad using
conductive die attach material. It can not be used as a supply pin or
input.
PIN
13
14
15
16
17
18
19
20
21
22
23
24
index area
terminal 1
Fig.2 Pin configuration DHVQFN24.
OE BA
E AB
A0
A1
A2
A3
A4
A5
A6
A7
OE
LE
B7
B6
B5
B4
B3
B2
B1
B0
E
V
BA
CC
SYMBOL
AB
10
11
AB
2
3
4
5
6
7
8
9
Transparent top view
543A
A to B output enable
input (active LOW)
A to B latch enable input
(active LOW)
B data output or input
B data output or input
B data output or input
B data output or input
B data output or input
B data output or input
B data output or input
B data output or input
B to A enable input
(active LOW)
positive supply voltage
Product specification
DESCRIPTION
74LVC543A
23
22
21
20
19
18
17
16
15
14
001aaa340
E BA
B0
B1
B2
B3
B4
B5
B6
B7
LE AB