Datasheet
1
2
3
6
5
4
A
C
Y
V
CC
A
B
C
Y
B
GND
SN74AUP1T157
SCES807 –APRIL 2010
www.ti.com
ORDERING INFORMATION
(1)
T
A
PACKAGE
(2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
(3)
Reel of 3000 SN74AUP1T157DCKR
–40°C to 85°C SOT (SC-70) – DCK 6L_
Reel of 250 SN74AUP1T157DCKT
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) The actual top-side marking has one additional character that designates the wafer fab/assembly site.
Figure 1. 2-to-1 Data Selector/Multiplexer
When C is L, Y = B
When C is H, Y = A
FUNCTION TABLE
INPUTS INPUT OUTPUT
(Lower Level Input) (Select) (V
CC
CMOS)
A B C Y
X L L L
X H L H
L X H L
H X H H
Supply V
CC
= 2.3 V to 2.7 V (2.5 V)
INPUTS
OUTPUT
V
T+
max = V
IH
min
CMOS
V
T-
min = V
IL
max
A B Y
V
IH
= 1.1 V V
OH
= 1.85 V
V
IL
= 0.35 V V
OL
= 0.45 V
Supply V
CC
= 3 V to 3.6 V (3.3 V)
INPUTS
OUTPUT
V
T+
max = V
IH
min
CMOS
V
T-
min = V
IL
max
A B Y
V
IH
= 1.19 V V
OH
= 2.55 V
V
IL
= 0.5 V V
OL
= 0.45 V
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