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FST3245 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
FST3245
Fairchild
Fairchild Semiconductor Fairchild
FST3245 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
DC Electrical Characteristics
Typical values are at VCC = 5.0 V and TA = 25°C.
Symbol
Parameter
Conditions
VCC (V)
TA=-40 to +85°C
Min. Typ. Max.
VIK
Clamp Diode Voltage
IIN = -18 mA
4.5
-1.2
VIH
High-Level Input Voltage
4.0 to 5.5 2.0
VIL
Low-Level Input Voltage
4.0 to 5.5
0.8
IIN
Input Leakage Current
0 VIN 5.5 V
5.5
±1.0
IOZ
Off-state Leakage Current 0 A, B VCC
5.5
±1.0
VIN = 0 V, IIN = 64 mA
4.5
4
7
RON
Switch On Resistance(3)
VIN = 0 V, IIN = 30 mA
4.5
VIN = 2.4 V, IIN = 15 mA
4.5
4
7
8
15
VIN = 2.4 V, IIN = 15 mA
4.0
11
20
ICC
Quiescent Supply Current
VIN = VCC or GND,
IOUT = 0
5.5
3
ΔICC
Increase in ICC per Input
One Input at 3.4 V, Other
Inputs at VCC or GND
5.5
2.5
Note:
3. Measured by the voltage drop between the A and B pins at the indicated current through the switch. On
resistance is determined by the lower of the voltages on the A or B pins.
Units
V
V
V
µA
µA
Ω
µA
mA
AC Electrical Characteristics
TA = -40 to +85°C, CL = 50 pF, and RU = RD = 500 Ω.
Symbol
Parameter
Conditions
VCC = 4.5 – 5.5 V VCC = 4.0 V
Min. Max. Min. Max.
Units
Figure
tPHL, tPLH
Propagation Delay
Bus-to-Bus(4)
VIN = Open
0.25
0.25
ns
Figure 3
Figure 4
VIN = 7 V for tPZL
tPZH ,tPZL Output Enable Time VIN = Open for
1.5
5.9
tPZH
6.4
ns
Figure 3
Figure 4
VIN = 7 V for tPLZ
tPHZ, tPLZ Output Disable Time VIN = Open for
1.5
6.0
tPHZ
5.7
ns
Figure 3
Figure 4
Note:
4. 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 50 pF load capacitance when driven by an
ideal voltage source (zero output impedance).
Capacitance
TA = +25°C, f = 1 MHz. Capacitance is characterized, but not tested.
Symbol
CIN
CI/O
Parameter
Control Pin Input Capacitance
Input/Output Capacitance
Conditions
VCC = 5.0 V
VCC, /OE = 5.0 V
Typ.
3
5
Units
pF
pF
© 1997 Fairchild Semiconductor Corporation
FST3245 • Rev. 1.0.3
4
www.fairchildsemi.com
 

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