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74FST3257DR2G

Description
Encoders, Decoders, Multiplexers & Demultiplexers LOG QUAD 2:1 MULT
Categorylogic    logic   
File Size134KB,8 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Environmental Compliance
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74FST3257DR2G Overview

Encoders, Decoders, Multiplexers & Demultiplexers LOG QUAD 2:1 MULT

74FST3257DR2G Parametric

Parameter NameAttribute value
Brand NameON Semiconductor
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerON Semiconductor
Parts packaging codeSOIC
package instructionSOP, SOP16,.25
Contacts16
Manufacturer packaging code751B-05
Reach Compliance Codecompliant
Factory Lead Time1 week
Samacsys Description74FST3257DR2G, LOG QUAD 2:1 MULTIPLEXER ON Semiconductor 74FST3257DR2G, Multiplexer Switch IC Quad 2:1 Demultiplexer, 4 → 5.5 V, 16-Pin SOIC
seriesCBT/FST/QS/5C/B
JESD-30 codeR-PDSO-G16
JESD-609 codee3
length9.9 mm
Load capacitance (CL)50 pF
Logic integrated circuit typeMULTIPLEXER AND DEMUX/DECODER
Humidity sensitivity level1
Number of functions4
Number of entries2
Output times1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTR
Peak Reflow Temperature (Celsius)260
power supply5 V
Maximum supply current (ICC)0.003 mA
Prop。Delay @ Nom-Sup4.7 ns
propagation delay (tpd)5.2 ns
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3.9 mm
Base Number Matches1
74FST3257
Quad 2:1 Multiplexer/
Demultiplexer Bus Switch
The ON Semiconductor 74FST3257 is a quad 2:1, 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
http://onsemi.com
MARKING
DIAGRAMS
16
1
SOIC−16
D SUFFIX
CASE 751B
16
FST3257G
AWLYWW
1
16
16
1
TSSOP−16
DT SUFFIX
CASE 948F
15 OE
14 4B
1
GND
13 4B
2
12 4A
11 3B
1
8 9
GND 3A
10 3B
2
1
QFN16
MN SUFFIX
CASE 485AW
A
WL, L
Y
WW, W
G or
G
3257
ALYWG
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
FST
3257
ALYW
G
G
1
R
ON
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 QS3257, FST3257, CBT3257
All Popular Packages: SOIC−16, TSSOP−16, QFN16
These Devices are Pb−Free and are RoHS Compliant
S V
CC
S
1B
1
1B
2
1A
2B
1
2B
2
2A
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
OE
4B
1
4B
2
4A
3B
1
3B
2
3A
1B
1
2
1B
2
3
1A 4
2B
1
5
2B
2
6
2A 7
1 16
Figure 1. 16−Lead Pinout Diagrams
(Note: Microdot may be in either location)
PIN NAMES
S
X
L
H
OE
H
L
L
Function
Disconnect
A = B
1
A = B
2
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
Figure 2. Truth Table
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
©
Semiconductor Components Industries, LLC, 2011
June, 2011
Rev. 7
1
Publication Order Number:
74FST3257/D
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