鈥?/div>
R
ON
t
4
W
Typical
Less Than 0.25 ns鈭扢ax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
Pin鈭扚or鈭扨in Compatible with QS3244, FST3244, CBT3244
All Popular Packages: QSOP鈭?0, TSSOP鈭?0, SOIC鈭?0
All Devices in Package TSSOP are Inherently Pb鈭扚ree*
1
TSSOP鈭?0
DT SUFFIX
CASE 948E
OE
1
1A
0
2B
3
1A
1
2B
2
1A
2
2B
1
1A
3
2B
0
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
OE
2
1B
0
2A
3
1B
1
2A
2
1B
2
2A
1
1B
3
2A
0
20
1
QSOP鈭?0
QS SUFFIX
CASE 492A
20
FST3244
AWLYWW
1
Figure 1. 20鈭扡ead Pinout
A
L, WL
Y
W, WW
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
PIN NAMES
TRUTH TABLE
Inputs
OE
1
L
L
H
H
OE
2
L
H
L
H
Inputs/Outputs
1A, 1B
1A = 1B
1A = 1B
Z
Z
2A, 2B
2A = 2B
Z
2A = 2B
Z
OE
1
, OE
2
1A, 2A
1B, 2B
Pin
Description
Bus Switch Enables
Bus A
Bus B
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
*For additional information on our Pb鈭扚ree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2005
1
January, 2005 鈭?Rev. 1
Publication Order Number:
74FST3244/D