MC74LVX257 Datasheet, PDF (2/8 Pages) ON Semiconductor – Quad 2-Channel Multiplexer with 3-State Outputs

MC74LVX257
S1
A0 2
B0 3
Y0 4
A1 5
B1 6
Y1 7
GND 8
16 V_CC
15 OE
14 A3
13 B3
12 Y3
11 A2
10 B2
9 ^Y2
Figure 1. Pin Assignment
I0a ²
I1a ³
I0b ⁵
I1b ⁶
I0c ¹⁴
I1c ¹³
I0d ¹¹
I1d ¹⁰
OE ¹⁵
S
1
OE ¹⁵
S1
A0 ²
B0 ³
A1 ⁵
B1 ⁶
A2 ¹¹
B2 ¹⁰
A3 ¹⁴
B3 ¹³
EN
G1
1 ^MUX
1
4
Y0
7
Y1
9
Y2
12
Y3
Figure 3. IEC Logic Symbol
4 _Za
7 _Zb
12 _Zc
9 _Zd
Figure 2. Expanded Logic Diagram
FUNCTION TABLE
Inputs
OE
S
Outputs
Y0 − Y3
H
X
Z
L
L
A0 −A3
L
H
B0 −B3
A0 − A3, B0 − B3 = the levels
of the respective Data−Word
Inputs.
ORDERING INFORMATION
Device
Package
Shipping^†
MC74LVX257D
SOIC−16
48 Units / Rail
MC74LVX257DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74LVX257DR2
SOIC−16
2500 Tape & Reel
MC74LVX257DR2G
SOIC−16
(Pb−Free)
2500 Tape & Reel
MC74LVX257DT
TSSOP−16*
96 Units / Rail
MC74LVX257DTR2
TSSOP−16*
2500 Tape & Reel
MC74LVX257M
SOEIAJ−16
50 Units / Rail
MC74LVX257MEL
SOEIAJ−16
2000 Tape & Reel
MC74LVX257MELG
SOEIAJ−16
(Pb−Free)
2000 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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