74HCT257D NXP Semiconductors, 74HCT257D Datasheet - Page 12

• 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
Fig 10. Package outline SOT109-1 (SO16)
74HC_HCT257_5
Product data sheet
SO16: plastic small outline package; 16 leads; body width 3.9 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
inches
UNIT
mm
VERSION
OUTLINE
SOT109-1
0.069
max.
1.75
A
16
1
0.010
0.004
Z
0.25
0.10
pin 1 index
A
1
y
0.057
0.049
1.45
1.25
A
2
076E07
IEC
0.25
0.01
A
3
e
0.019
0.014
0.49
0.36
b
p
D
0.0100
0.0075
0.25
0.19
MS-012
JEDEC
c
REFERENCES
10.0
0.39
0.38
D
9.8
Rev. 05 — 13 January 2010
0
(1)
0.16
0.15
E
4.0
3.8
(1)
b
JEITA
scale
p
2.5
1.27
0.05
9
8
e
w
0.244
0.228
H
6.2
5.8
M
E
c
0.041
5 mm
A
1.05
2
L
A
74HC257; 74HCT257
1
0.039
0.016
1.0
0.4
L
p
0.028
0.020
H
Quad 2-input multiplexer; 3-state
0.7
0.6
E
Q
E
detail X
PROJECTION
EUROPEAN
0.25
0.01
L
v
L
p
Q
0.25
0.01
(A )
w
3
A
0.004
θ
0.1
© NXP B.V. 2010. All rights reserved.
y
A
v
ISSUE DATE
X
99-12-27
03-02-19
M
0.028
0.012
Z
0.7
0.3
(1)
A
SOT109-1
θ
8
0
o
o
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