74HCT257N NXP Semiconductors, 74HCT257N Datasheet - Page 3

• Manufacturer Part Number: 74HCT257N
• Description: IC, 74HCT CMOS, 74HCT257, DIP16, 5V
• Manufacturer: NXP Semiconductors

Specifications of 74HCT257N

• Logic Type: Multiplexer
• No. Of Outputs: 4
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: DIP
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package: RoHS Compliant
• Base Number: 74
• Rohs Compliant: Yes

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Philips Semiconductors
ORDERING INFORMATION
PIN DESCRIPTION
1998 Sep 30
74HC257N;
74HCT257N
74HC257D;
74HCT257D
74HC257DB;
74HCT257DB
74HC257PW;
74HCT257PW
PIN NO.
1
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
8
15
16
Quad 2-input multiplexer; 3-state
NUMBER
GND
TYPE
1I 0
1I 1
2I 0
2I 1
1Y
2Y
Fig.1 Pin configuration.
S
1
2
3
4
5
6
7
8
257
SYMBOL
S
1I
1I
1Y to 4Y
GND
OE
V
TSSOP16
MLB311
SSOP16
CC
0
1
NAME
DIP16
SO16
to 4I
to 4I
12
10
16
15
14
13
11
9
0
1
V CC
OE
4I 0
4I 1
4Y
3I 0
3I 1
3Y
plastic dual in-line package; 16 leads (300 mil); long body
plastic small outline package; 16 leads; body width 3.9 mm
plastic shrink small outline package; 16 leads; body width 5.3 mm
plastic thin shrink small outline package; 16 leads; body width 4.4 mm
NAME AND FUNCTION
common data select input
data inputs from source 0
data inputs from source 1
3-state multiplexer outputs
ground (0 V)
3-state output enable input (active LOW)
positive supply voltage
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11
10
14
13
15
2
3
5
6
Fig.2 Logic symbol.
OE
1I 0
1I 1
2I 0
2I 1
3I 0
3I 1
4I 0
4I 1
S
3
DESCRIPTION
1
MGA835
PACKAGE
1Y
2Y
3Y
4Y
4
7
9
12
Fig.3 IEC logic symbol.
74HC/HCT257
Product specification
SOT109-1
SOT338-1
SOT403-1
VERSION
SOT38-1