NXP Semiconductors
74HC257; 74HCT257
Quad 2-input multiplexer; 3-state
3. Ordering information
Table 1.
Ordering information
Package
Temperature range
74HC257N
74HCT257N
74HC257D
74HCT257D
74HC257DB
74HCT257DB
74HC257PW
74HCT257PW
−40 °C
to +125
°C
TSSOP16
−40 °C
to +125
°C
SSOP16
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
SOT338-1
SOT403-1
−40 °C
to +125
°C
SO16
plastic small outline package; 16 leads; body width 3.9 mm SOT109-1
−40 °C
to +125
°C
Name
DIP16
Description
plastic dual in-line package; 16 leads (300 mil)
Version
SOT38-4
Type number
4. Functional diagram
1
15
1
2
3
5
6
11
10
14
13
15
1I0
1I1
2I0
2I1
3I0
3I1
4I0
4I1
OE
mga835
G1
EN
S
1Y
4
2
3
5
1
1
MUX
4
2Y
7
7
6
11
9
10
3Y
9
4Y
12
14
12
13
001aad467
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
74HC_HCT257_5
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 05 — 13 January 2010
2 of 17
PHILIPS [ NXP SEMICONDUCTORS ]
