FSTU6800MTCX Fairchild Semiconductor, FSTU6800MTCX Datasheet
FSTU6800MTCX
Manufacturer Part Number
FSTU6800MTCX
Description
IC SWITCH BUS 10BIT TTL 24TSSOP
Manufacturer
Fairchild Semiconductor
Type
Bus Switchr
Datasheet
1.FSTU6800MTC.pdf
(5 pages)
Specifications of FSTU6800MTCX
Circuit
10 x 1:1
Independent Circuits
1
Voltage Supply Source
Single Supply
Voltage - Supply
4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output High, Low
-
© 2000 Fairchild Semiconductor Corporation
FSTU6800WM
FSTU6800QSC
FSTU6800MTC
FSTU6800
10-Bit Bus Switch with Precharged Outputs
and 2V Undershoot Protection
General Description
The Fairchild Switch FSTU6800 provides 10-bits of high-
speed CMOS TTL-compatible bus switching. The low on
resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise. Both the A Ports and the B
Ports have “undershoot hardened” circuit protection to sup-
port an extended input range to 2.0V below ground. Fair-
child’s integrated Undershoot Hardened Circuit (UHC®)
senses undershoot at the I/Os, and responds by preventing
voltage differentials from developing and turning on the
switch. The device also precharges the B Port to a select-
able bias voltage (BiasV) to minimize live insertion noise.
The device is organized as a 10-bit switch with a bus
enable (OE) signal. 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 the B Port is precharged to BiasV
through an equivalent 10-k
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
UHC® is a registered trademark of Fairchild Semiconductor Corporation.
Order Number
Pin Name
BiasV
OE
A
B
Package Number
MQA24
MTC24
M24B
resistor.
Bus B Voltage Bias
Bus Switch Enable
Description
Bus A
Bus B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
DS500194
Features
Connection Diagram
Truth Table
4 switch connection between two ports.
Undershoot Hardened to -2.0V.
Soft enable turn-on to minimize bus-to-bus charge
sharing during enable.
Low l
Zero bounce in flow-through mode.
Output precharge to minimize live insertion noise.
Control inputs compatible with TTL level.
See Applications Note AN-5008 for details.
CC
Package Description
.
OE
H
L
B
A
BiasV
0
0
–B
–A
9
9
December 1998
Revised October 2006
Precharge
Function
Connect
www.fairchildsemi.com
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FSTU6800MTCX Summary of contents
Page 1
... Bus Switch Enable A Bus A B Bus B BiasV Bus B Voltage Bias UHC® registered trademark of Fairchild Semiconductor Corporation. © 2000 Fairchild Semiconductor Corporation Features 4 switch connection between two ports. Undershoot Hardened to -2.0V. Soft enable turn-on to minimize bus-to-bus charge sharing during enable. Low l ...
Page 2
Absolute Maximum Ratings Supply Voltage ( Switch Voltage ( Bias V Voltage Range DC Input Voltage (V ) (Note Input Diode Current ( Output (I ) ...
Page 3
AC Electrical Characteristics Symbol Parameter V Min t ,t Prop Delay Bus to Bus (Note 6) PHL PLH t Output Enable Time 7.0 PZH t 7.0 PZL t Output Disable Time 1.0 PHZ t 1.0 PLZ Note 6: This parameter ...
Page 4
Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide www.fairchildsemi.com Package Number M24B Package Number MQA24 4 ...
Page 5
Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384 ...