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Numéro de référence | 74FST3253DTR2 | ||
Description | Dual 4:1 Multiplexer/ Demultiplexer Bus Switch | ||
Fabricant | ON | ||
Logo | |||
1 Page
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 RON and adds nearly zero propagation delay.
The device adds no noise or ground bounce to the system.
Features
• RON t 4 W Typical
• Less Than 0.25 ns−Max Delay Through Switch
• Nearly Zero Standby Current
• No Circuit Bounce
• Control Inputs are TTL/CMOS Compatible
• Pin−For−Pin Compatible With QS3253, FST3253, CBT3253
• All Popular Packages: QSOP−16, TSSOP−16, SOIC−16
• All Devices in Package TSSOP are Inherently Pb−Free*
OE1
S1
1B4
1B3
1B2
1B1
1A
GND
1
2
3
4
5
6
7
8
16 VCC
15 OE2
14 S0
13 2B4
12 2B3
11 2B2
10 2B1
9 2A
Figure 1. 16−Lead
Pinout
S1 S0 OE1 OE2
XX H X
XX X H
LL L L
LH L L
HL L L
HH L L
Function
Disconnect 1A
Disconnect 2A
A = B1
A = B2
A = B3
A = B4
Figure 2. Truth Table
http://onsemi.com
MARKING
DIAGRAMS
16
1
SOIC−16
D SUFFIX
CASE 751B
16
1
TSSOP−16
DT SUFFIX
CASE 948F
16
FST3253
AWLYWW
1
16
FST
3253
ALYW
1
16
1
QSOP−16
QS SUFFIX
CASE 492
16
S3253
ALYW
1
A = Assembly Location
L, WL = Wafer Lot
Y = Year
W, WW = Work Week
PIN NAMES
Pin
OE1, OE2
S0, S1
A
B1, B2, B3, B4
Description
Bus Switch Enables
Select Inputs
Bus A
Bus B
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
January, 2005 − Rev. 2
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
Publication Order Number:
74FST3253/D
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Pages | Pages 8 | ||
Télécharger | [ 74FST3253DTR2 ] |
No | Description détaillée | Fabricant |
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