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FST3244QTC

Description
Bus Driver, CBT/FST/QS/5C/B Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 4.40 MM, MO-153, TSSOP-20
Categorylogic   
File Size104KB,5 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric View All

FST3244QTC Overview

Bus Driver, CBT/FST/QS/5C/B Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 4.40 MM, MO-153, TSSOP-20

FST3244QTC Parametric

Parameter NameAttribute value
MakerFairchild
Parts packaging codeTSSOP
package instructionSOP,
Contacts20
Reach Compliance Codeunknown
Is SamacsysN
seriesCBT/FST/QS/5C/B
JESD-30 codeR-PDSO-G20
Logic integrated circuit typeBUS DRIVER
Number of digits4
Number of functions2
Number of ports2
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
propagation delay (tpd)0.25 ns
Certification statusNot Qualified
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4 V
Nominal supply voltage (Vsup)4.5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal locationDUAL
Base Number Matches1
FST3244 Octal Bus Switch
June 1997
Revised December 1999
FST3244
Octal Bus Switch
General Description
The Fairchild Switch FST3244 provides 8-bits of high-
speed CMOS TTL-compatible bus switching in a standard
’244 pin-out. The low on resistance of the switch allows
inputs to be connected to outputs without adding propaga-
tion delay or generating additional ground bounce noise.
The device is organized as two 4-bit switches with separate
OE inputs. When OE is LOW, the switch is ON and Port A
is connected to Port B. When OE is HIGH, the switch is
OPEN and a high-impedance state exists between the two
ports.
Features
s
4Ω switch connection between two ports.
s
Minimal propagation delay through the switch.
s
Low l
CC
.
s
Zero bounce in flow-through mode.
s
Control inputs compatible with TTL level.
Ordering Code:
Order Number
FST3244WM
FST3244QSC
FST3244MTC
Package Number
M20B
MQA20
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Connection Diagram
Truth Table
Pin Descriptions
Pin Name
OE
1
, OE
2
1A, 2A
1B, 2B
Description
Bus Switch Enable
Bus A
Bus B
OE
1
L
L
H
H
Inputs
OE
2
L
H
L
H
Inputs/Outputs
1A, 1B
1A
=
1B
1A
=
1B
Z
Z
2A, 2B
2A
=
2B
Z
2A
=
2B
Z
© 1999 Fairchild Semiconductor Corporation
DS500021
www.fairchildsemi.com
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