74lvc257adb NXP Semiconductors, 74lvc257adb Datasheet - Page 4

• Manufacturer Part Number: 74lvc257adb
• Description: Quad 2-input Multiplexer With 5 Volt Tolerant Inputs/outputs 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
2004 Jan 23
handbook, halfpage
Quad 2-input multiplexer with 5 V
tolerant inputs/outputs; 3-state
Fig.1 Pin configuration SO16 and (T)SSOP16.
PIN
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
GND
1I0
1I1
2I0
2I1
1Y
2Y
S
S
1I0
1I1
1Y
2I0
2I1
2Y
GND
3Y
3I1
3I0
4Y
4I1
4I0
OE
V
1
2
3
4
5
6
7
8
CC
SYMBOL
257A
MNA864
15
14
13
12
11
10
16
9
common data select input
data input from source 0
data input from source 1
3-state multiplexer output
data input from source 0
data input from source 1
3-state multiplexer output
ground (0 V)
3-state multiplexer output
data input from source 1
data input from source 0
3-state multiplexer output
data input from source 1
data input from source 0
3-state output enable input (active LOW)
supply voltage
4I0
4I1
4Y
3I0
3I1
3Y
V CC
OE
4
handbook, halfpage
(1) The die substrate is attached to this pad using conductive die
attach material. It can not be used as a supply pin or input.
DESCRIPTION
Fig.2 Pin configuration DHVQFN16.
1I0
1I1
2I0
2I1
1Y
2Y
Top view
2
3
4
5
6
7
GND
S
8
1
GND
V CC
(1)
16
3Y
9
Product specification
MDB198
74LVC257A
15
14
13
12
11
10
OE
4I0
4I1
4Y
3I0
3I1