FSTU32X384QSP Fairchild Semiconductor, FSTU32X384QSP Datasheet
FSTU32X384QSP
Manufacturer Part Number
FSTU32X384QSP
Description
IC SWITCH BUS 20BIT LP 48QVSOP
Manufacturer
Fairchild Semiconductor
Type
Bus Switchr
Datasheet
1.FSTU32X384QSPX.pdf
(6 pages)
Specifications of FSTU32X384QSP
Circuit
5 x 1:1
Independent Circuits
4
Voltage Supply Source
Single Supply
Voltage - Supply
4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-QVSOP
Logic Family
FST
Number Of Bits
20
Number Of Elements
4
Technology
CMOS
Low Level Output Current
128mA
On Resistance
11Ohm
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
Current - Output High, Low
-
Lead Free Status / Rohs Status
Compliant
© 2002 Fairchild Semiconductor Corporation
FSTU32X384QSP
FSTU32X384
20-Bit Low Power Bus Switch
with 2V Undershoot Protection
General Description
The Fairchild Switch FSTU32X384 provides 20 bits of high-
speed CMOS TTL-compatible bus switches. The low On
Resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise. The device is organized
as four 5-bit switches with separate bus enable (OE) sig-
nals. When OE is LOW, the switch is ON and Port A is con-
nected to Port B. When OE is HIGH, the switch is OPEN
and a high-impedance state exists between the two ports.
The A and B Ports are protected against undershoot to
support an extended range to 2.0V below ground.
Fairchild’s
(UHC®) senses undershoot at the I/O and responds by
preventing voltage differentials from developing and turn-
ing the switch on.
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Diagram
UHC® is a registered trademark of Fairchild Semiconductor Corporation.
Order Number
integrated
Package
MQA48A
Number
Undershoot
48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide
Hardened
DS500705
Circuit
Features
4 switch connection between two ports
Minimal propagation delay through the switch
Ultra low power with
Zero ground bounce in flow-through mode
Control inputs compatible with TTL level
See Application Note AN-5008 for details on
FSTU - Undershoot Protected Fairchild Switch Family
Package Description
0.1 A typical I
May 2002
Revised October 2006
www.fairchildsemi.com
CC
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FSTU32X384QSP Summary of contents
Page 1
... Ordering Code: Package Order Number Number FSTU32X384QSP 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. Logic Diagram UHC® registered trademark of Fairchild Semiconductor Corporation. ...
Page 2
Pin Descriptions Pin Names Description OE Bus Switch Enable X A Bus A B Bus B Truth Table Inputs Inputs/Outputs www.fairchildsemi.com Connection Diagram B 2 ...
Page 3
Absolute Maximum Ratings Supply Voltage ( Switch Voltage ( Input Voltage (V ) (Note Input Diode Current ( Output (I ) Sink Current OUT DC ...
Page 4
AC Electrical Characteristics Symbol Parameter Propagation Delay Bus to Bus PHL PLH (Note Output Enable Time PZH PZL ...
Page 5
AC Loading and Waveforms Note: Input driven by 50 source terminated in 50 Note: C includes load and stray capacitance L Note: Input PRR 1.0 MHz, t 500 ns W FIGURE 2. AC Test Circuit FSTU32X384 V FIGURE 3. AC ...
Page 6
Physical Dimensions inches (millimeters) unless otherwise noted 48-Lead 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 ...