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FST6800QSC

Description
CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, 0.150 INCH, MO-137, QSOP-24
Categorylogic    logic   
File Size803KB，6 Pages
ManufacturerRochester Electronics
Websitehttps://www.rocelec.com/
Environmental Compliance  
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FST6800QSC Overview

CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, 0.150 INCH, MO-137, QSOP-24

FST6800QSC Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerRochester Electronics
Parts packaging codeSSOP
package instructionSSOP,
Contacts24
Reach Compliance Codeunknown
Other featuresTTL COMPATIBLE BUS SWITCH
seriesCBT/FST/QS/5C/B
JESD-30 codeR-PDSO-G24
length8.65 mm
Logic integrated circuit typeBUS DRIVER
Humidity sensitivity levelNOT SPECIFIED
Number of digits10
Number of functions1
Number of ports2
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
propagation delay (tpd)0.25 ns
Certification statusCOMMERCIAL
Maximum seat height1.75 mm
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 surfaceNOT SPECIFIED
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9116 mm

FST6800QSC Preview

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FST6800 10-Bit Bus Switch with Precharged Outputs
June 1997
Revised November 2000
FST6800
10-Bit Bus Switch with Precharged Outputs
General Description
The Fairchild Switch FST6800 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. The device precharges
the B Port to a selectable 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
Ω
resistor.
Features
s
4
Ω
switch connection between two ports.
s
Minimal propagation delay through the switch.
s
Low l
CC
.
s
Zero bounce in flow-through mode.
s
Output precharge to minimize live insertion noise.
s
Control inputs compatible with TTL level.
Ordering Code:
Order Number
FST6800WM
FST6800QSC
FST6800MTC
Package Number
M24B
MQA24
MTC24
Package Description
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
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Connection Diagram
Pin Descriptions
Pin Name
OE
A
B
Description
Bus Switch Enable
Bus A
Bus B
Truth Table
OE
L
H
B
0
–B
9
A
0
–A
9
BiasV
Function
Connect
Precharge
© 2000 Fairchild Semiconductor Corporation
DS500022
www.fairchildsemi.com
FST6800
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
CC
)
DC Switch Voltage (V
S
)
Bias V Voltage Range
DC Input Voltage (V
IN
) (Note 2)
DC Input Diode Current (l
IK
) V
IN
<
0V
DC Output (I
OUT
) Sink Current
DC V
CC
/GND Current (I
CC
/I
GND
)
Storage Temperature Range (T
STG
)
−
0.5V to
+
7.0V
−
0.5V to
+
7.0V
−
0.5V to
+
6.0V
−
0.5V to
+
7.0V
−
50mA
128mA
Recommended Operating
Conditions
(Note 3)
Power Supply Operating (V
CC
)
Precharge Supply (BiasV)
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
Input Rise and Fall Time (t
r
, t
f
)
Switch Control Input
Switch I/O
Free Air Operating Temperature (T
A
)
0nS/V to 5nS/V
0nS/V to DC
4.0V to 5.5V
1.5V to V
CC
0V to 5.5V
0V to 5.5V
+
/
−
100mA
−
65
°
C to
+
150
°
C
−
40
°
C to
+
85
°
C
Note 1:
The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The Recommended Operating Conditions tables will define the conditions
for actual device operation.
Note 2:
The input and output negative voltage ratings may be exceeded if
the input and output diode current ratings are observed.
Note 3:
Unused control inputs must be held HIGH or LOW. They may not
float.
DC Electrical Characteristics
Symbol
V
IK
V
IH
V
IL
I
I
I
O
I
OZ
R
ON
Parameter
Clamp Diode Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
Input Leakage Current
Output Current
OFF-STATE Leakage Current
Switch On Resistance
(Note 5)
V
CC
(V)
4.5
4.0–5.5
4.0–5.5
5.5
4.5
5.5
4.5
4.5
4.5
4.0
I
CC
∆
I
CC
Quiescent Supply Current
Increase in I
CC
per Input
5.5
5.5
4
4
8
11
0.25
±1.0
7
7
15
20
3
2.5
2.0
0.8
±1.0
T
A
= −40 °C
to
+85 °C
Min
Typ
(Note 4)
Max
−1.2
Units
V
V
V
µA
mA
µA
Ω
Ω
Ω
Ω
µA
mA
0≤ V
IN
≤5.5V
BiasV
=
2.4V, B
=
0
0
≤A ≤V
CC
V
IN
=
0V, I
IN
=
64mA
V
IN
=
0V, I
IN
=
30mA
V
IN
=
2.4V, I
IN
=
15mA
V
IN
=
2.4V, I
IN
=
15mA
V
IN
=
V
CC
or GND, I
OUT
=
0
One input at 3.4V
Other inputs at V
CC
or GND
Note 4:
Typical values are at V
CC
=
5.0V and T
A
= +25°C
Note 5:
Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the
voltages on the two (A or B) pins.
Conditions
I
IN
= −18mA
www.fairchildsemi.com
2
FST6800
AC Electrical Characteristics
T
A
= −40 °C
to
+85 °C,
C
L
=
50pF, RU
=
RD
=
500Ω
Symbol
Parameter
V
CC
=
4.5 – 5.5V
Min
t
PHL
,t
PLH
t
PZH
t
PZL
t
PHZ
t
PLZ
Output Disable Time
Prop Delay Bus to Bus (Note 6)
Output Enable Time
1.5
1.5
1.5
1.5
Max
0.25
6.2
6.2
6.1
7.3
V
CC
=
4.0V
Min
Max
0.25
6.5
6.5
6.5
6.8
ns
ns
ns
ns
ns
V
I
=
OPEN
V
I
=
OPEN, BiasV
=
GND
V
I
=
7V, BiasV
=
3V
V
I
=
OPEN, BiasV
=
GND
V
I
=
7V, BiasV
=
3V
Figures
1, 2
Figures
1, 2
Figures
1, 2
Units
Conditions
Figure
No.
Note 6:
This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On
resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitance
Symbol
C
IN
C
I/O
(Note 7)
Parameter
Typ
3
5
Max
Units
pF
pF
Conditions
V
CC
=
5.0V
V
CC
, OE
=
5.0V
Control Pin Input Capacitance
Input/Output Capacitance
Note 7:
T
A
= +25°C,
f
=
1 MHz, Capacitance is characterized but not tested.
AC Loading and Waveforms
Note:
Input driven by 50
Ω
source terminated in 50
Ω
Note:
C
L
includes load and stray capacitance
Note:
Input PRR
=
1.0 MHz, t
W
=
500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
3
www.fairchildsemi.com
FST6800
Physical Dimensions
inches (millimeters) unless otherwise noted
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Package Number M24B
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
Package Number MQA24
www.fairchildsemi.com
4
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FST6800QSC Related Products

FST6800QSC FST6800WM FST6800MTCX
Description CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, 0.150 INCH, MO-137, QSOP-24 CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, 0.300 INCH, MS-013, SOIC-24 CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, 4.40 MM, MO-153, TSSOP-24
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker Rochester Electronics Rochester Electronics Rochester Electronics
Parts packaging code SSOP SOIC TSSOP
package instruction SSOP, SOP, TSSOP,
Contacts 24 24 24
Reach Compliance Code unknown unknown unknown
Other features TTL COMPATIBLE BUS SWITCH TTL COMPATIBLE BUS SWITCH TTL COMPATIBLE BUS SWITCH
series CBT/FST/QS/5C/B CBT/FST/QS/5C/B CBT/FST/QS/5C/B
JESD-30 code R-PDSO-G24 R-PDSO-G24 R-PDSO-G24
length 8.65 mm 15.4 mm 7.8 mm
Logic integrated circuit type BUS DRIVER BUS DRIVER BUS DRIVER
Humidity sensitivity level NOT SPECIFIED NOT SPECIFIED 1
Number of digits 10 10 10
Number of functions 1 1 1
Number of ports 2 2 2
Number of terminals 24 24 24
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Output characteristics 3-STATE 3-STATE 3-STATE
Output polarity TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SOP TSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED 260
propagation delay (tpd) 0.25 ns 0.25 ns 0.25 ns
Certification status COMMERCIAL COMMERCIAL COMMERCIAL
Maximum seat height 1.75 mm 2.65 mm 1.2 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4 V 4 V 4 V
Nominal supply voltage (Vsup) 4.5 V 4.5 V 4.5 V
surface mount YES YES YES
technology CMOS CMOS CMOS
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface NOT SPECIFIED NOT SPECIFIED NICKEL PALLADIUM GOLD
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 0.635 mm 1.27 mm 0.65 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED 30
width 3.9116 mm 7.5 mm 4.4 mm

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