FST33X257QSP Fairchild Semiconductor, FST33X257QSP Datasheet
FST33X257QSP
Manufacturer Part Number
FST33X257QSP
Description
IC MUX/DEMUX QUAD 2X1 48QVSOP
Manufacturer
Fairchild Semiconductor
Datasheet
1.FST33X257QSP.pdf
(5 pages)
Specifications of FST33X257QSP
Function
Multiplexer/Demultiplexer
Circuit
4 x 2:1
On-state Resistance
15 Ohm
Voltage Supply Source
Single Supply
Voltage - Supply, Single/dual (±)
4 V ~ 5.5 V
Current - Supply
3µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-QVSOP
Logic Family
FST
Number Of Bits
24
Technology
CMOS
Low Level Output Current
128mA
On Resistance
11Ohm
Propagation Delay Time
5.7ns
Package Type
QVSOP
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
4V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Quiescent Current
3uA
Pin Count
48
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2002 Fairchild Semiconductor Corporation
FST33X257QSP
FST33X257
24:12 Multiplexer/Demultiplexer Bus Switch
General Description
The Fairchild Switch FST33X257 is a 24:12 high-speed
CMOS
switch. The low On Resistance of the switch allows inputs
to be connected to outputs without adding propagation
delay or generating additional ground bounce noise.
When OE
the selected B Port output. When OE
is OPEN and a high-impedance state exists between the
two ports.
Ordering Code:
Order Number
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
TTL-compatible
x
is LOW, the select pin connects the A Port to
Package
MQA48A
Number
multiplexer/demultiplexer
48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide
x
is HIGH, the switch
DS500724
bus
Features
4 switch connection between two ports
Minimal propagation delay through the switch
Low l
Zero bounce in flow-through mode
Control inputs compatible with TTL level
Package Description
CC
May 2002
Revised July 2002
www.fairchildsemi.com
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FST33X257QSP Summary of contents
Page 1
... Ordering Code: Package Order Number Number FST33X257QSP MQA48A 48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. © 2002 Fairchild Semiconductor Corporation ...
Page 2
Logic Diagram www.fairchildsemi.com Connection Diagram Pin Descriptions Pin Name Description OE Bus Switch Enable x S Select Input x A Bus A B –B Bus Truth Table S OE Function Disconnect L L ...
Page 3
Absolute Maximum Ratings Supply Voltage ( Switch Voltage ( Input Voltage (V )(Note Input Diode Current ( Output (I ) Sink Current OUT DC V ...
Page 4
AC Electrical Characteristics Symbol Parameter Propagation Delay Bus to Bus (Note 8) PHL PLH Propagation Delay, Select to Bus Output Enable Time, Select to Bus B PZH PZL Output Enable Time ...
Page 5
Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384 (FST3384) bus switch product. Fairchild does not ...