74HCT257D NXP Semiconductors, 74HCT257D Datasheet - Page 11

• Manufacturer Part Number: 74HCT257D
• Description: IC, LOGIC, 74HCT, MULTIPLEXER, SO16
• Manufacturer: NXP Semiconductors

Specifications of 74HCT257D

• Logic Type: Multiplexer
• No. Of Outputs: 4
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package: RoHS Compliant
• Logic Ic Base Number: 74257
• Rohs Compliant: Yes

NXP Semiconductors
12. Package outline
Fig 9.
74HC_HCT257_5
Product data sheet
DIP16: plastic dual in-line package; 16 leads (300 mil)
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included.
inches
UNIT
mm
Package outline SOT38-4 (DIP16)
VERSION
OUTLINE
SOT38-4
max.
0.17
4.2
A
L
min.
0.02
0.51
A
Z
1
1
16
pin 1 index
max.
0.13
A
3.2
IEC
2
0.068
0.051
1.73
1.30
b
e
0.021
0.015
0.53
0.38
b
1
JEDEC
D
0.049
0.033
1.25
0.85
b
REFERENCES
2
0
Rev. 05 — 13 January 2010
b
0.014
0.009
0.36
0.23
c
JEITA
scale
19.50
18.55
D
0.77
0.73
5
(1)
9
8
b
1
6.48
6.20
0.26
0.24
E
(1)
A
b
1
2
w
A
E
10 mm
M
2.54
2
0.1
e
74HC257; 74HCT257
A
7.62
0.3
e
1
Quad 2-input multiplexer; 3-state
3.60
3.05
0.14
0.12
c
L
PROJECTION
EUROPEAN
(e )
M
M
8.25
7.80
0.32
0.31
M
1
H
E
E
10.0
0.39
0.33
M
8.3
H
© NXP B.V. 2010. All rights reserved.
ISSUE DATE
0.254
0.01
95-01-14
03-02-13
w
SOT38-4
max.
0.76
0.03
Z
(1)
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