參數(shù)資料
型號(hào): 74FST3253QSR
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Dual 4:1 Multiplexer/ Demultiplexer Bus Switch
中文描述: CBT/FST/QS/5C/B SERIES, DUAL MULTIPLEXER, PDSO16
封裝: QSOP-16
文件頁(yè)數(shù): 1/8頁(yè)
文件大?。?/td> 85K
代理商: 74FST3253QSR
Semiconductor Components Industries, LLC, 2005
January, 2005 Rev. 2
1
Publication Order Number:
74FST3253/D
74FST3253
Dual 4:1 Multiplexer/
Demultiplexer Bus Switch
The ON Semiconductor 74FST3253 is a dual 4:1, high performance
multiplexer/demultiplexer bus switch. The device is CMOS TTL
compatible when operating between 4 and 5.5 Volts. The device
exhibits extremely low R
ON
and adds nearly zero propagation delay.
The device adds no noise or ground bounce to the system.
Features
R
ON
Less Than 0.25 nsMax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
PinForPin Compatible With QS3253, FST3253, CBT3253
All Popular Packages: QSOP16, TSSOP16, SOIC16
All Devices in Package TSSOP are Inherently PbFree*
4 Typical
1B
3
1B
2
1A
1B
1
1B
4
OE
1
S1
V
CC
OE
2
S
0
2B
4
2B
3
2B
2
2B
1
GND
2A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 1. 16Lead
Pinout
Figure 2. Truth Table
X
X
L
L
H
H
S
1
Function
X
X
L
H
L
H
S
0
H
X
L
L
L
L
OE
1
X
H
L
L
L
L
OE
2
Disconnect 1A
Disconnect 2A
A = B
1
A = B
2
A = B
3
A = B
4
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Description
Bus Switch Enables
PIN NAMES
OE
1
, OE
2
S
0
, S
1
A
L, WL
Y
W, WW = Work Week
= Assembly Location
= Wafer Lot
= Year
TSSOP16
DT SUFFIX
CASE 948F
16
1
QSOP16
QS SUFFIX
CASE 492
SOIC16
D SUFFIX
CASE 751B
16
1
1
16
FST3253
AWLYWW
MARKING
DIAGRAMS
16
1
Pin
Select Inputs
A
Bus A
B
1
, B
2
, B
3
, B
4
Bus B
16
1
1
16
FST
3253
ALYW
S3253
ALYW
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
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