鈥?/div>
All Popular Packages: QSOP鈥?6, TSSOP鈥?6, SOIC鈥?6
http://onsemi.com
MARKING
DIAGRAMS
16
16
1
SO鈥?6
D SUFFIX
CASE 751B
FST3253
AWLYWW
1
16
16
1
OE
1
S1
1B
4
1B
3
1B
2
1B
1
1A
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
OE
2
S
0
2B
4
2B
3
2B
2
2B
1
2A
S
1
X
X
L
L
H
H
S
0
OE
1
OE
2
X
X
L
H
L
H
H
X
L
L
L
L
X
H
L
L
L
L
Function
Disconnect 1A
Disconnect 2A
A = B
1
A = B
2
A = B
3
A = B
4
TSSOP鈥?6
DT SUFFIX
CASE 948F
FST
3253
ALYW
1
16
S3253
ALYW
16
1
QSOP鈥?6
QS SUFFIX
CASE 492
A
L, WL
Y
W, WW
=
=
=
=
Figure 1. 16鈥揕ead
Pinout
Figure 2. Truth Table
1
Assembly Location
Wafer Lot
Year
Work Week
PIN NAMES
Pin
OE
1
, OE
2
S
0
, S
1
A
B
1
, B
2
, B
3
, B
4
Description
Bus Switch Enables
Select Inputs
Bus A
Bus B
ORDERING INFORMATION
Device
74FST3253D
74FST3253DR2
74FST3253DT
74FST3253DTR2
74FST3253QS
74FST3253QSR
漏
Semiconductor Components Industries, LLC, 2002
Package
SO鈥?6
SO鈥?6
TSSOP鈥?6
TSSOP鈥?6
QSOP鈥?6
QSOP鈥?6
Shipping
48 Units/Rail
2500 Units/Reel
96 Units/Rail
2500 Units/Reel
96 Units/Rail
2500 Units/Reel
1
January, 2002 鈥?Rev. 1
Publication Order Number:
74FST3253/D