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” table 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.
DC Electrical Characteristics
Symbol
Parameter
V
CC
(V)
4.75
4.75–5.25
4.75–5.25
0
5.25
5.25
4.75
4.75
5.25
5.25
100
5
10
0.2
7
15
10
2.5
2.0
0.8
10
±1
±10
T
A
= −40°C
to
+85°C
Min
Typ
(Note 3)
V
IK
V
IH
V
IL
I
IN
I
OZ
I
OS
R
ON
I
CC
∆I
CC
Maximum Clamp Diode Voltage
Minimum High Level Input Voltage
Maximum Low Level Input Voltage
Maximum Input
Leakage Current
Maximum 3-STATE I/O Leakage
Short Circuit Current
Switch On Resistance (Note 4)
Maximum Quiescent Supply Current
Increase in I
CC
per Input (Note 5)
−1.2
V
V
V
µA
µA
mA
Ω
Ω
µA
mA
0
≤
V
IN
≤
5.25V
0
≤
A, B
≤
V
CC
V
I
(A), V
I
(B)
=
0V, V
I
(B), V
I
(A)
=
4.75V
V
I
=
0V, I
ON
=
30 mA
V
I
=
2.4V, I
ON
=
15 mA
V
I
=
V
CC
, GND, I
O
=
0
V
IN
=
3.15V, I
O
=
0, Per Control Input
I
IN
= −18
mA
Max
Units
Conditions
Note 3:
All typical values are at V
CC
=
5.0V, T
A
=
25°C.
Note 4:
Measured by voltage drop between A and B pin at indicated current through the switch. On resistance is determined by the lower of the voltages on
the two (A or B) pins.
Note 5:
Per TTL driven input (V
IN
=
3.15V, control inputs only). A and B pins do not contribute to I
CC
.
www.fairchildsemi.com
2
FST3383
AC Electrical Characteristics
Symbol
t
PLH
,
t
PHL
t
PLH
,
t
PHL
t
PZL
,
t
PZH
t
PLZ
,
t
PHZ
Parameter
Data Propagation Delay
A
n
to C
n
, D
n
or B
n
to D
n
, C
n
(Note 7)
Switch Exchange Time
BX to A
n
, B
n
, C
n
, D
n
Switch Enable Time
BE to A
n
, B
n
, C
n
or D
n
Switch Disable Time
BE to A
n
, B
n
, C
n
, or D
n
V
CC
(V)
T
A
= −40°C
to
+85°C,
C
L
=
50 pF
Min
Typ
(Note 6)
4.75
4.75
4.75
4.75
1.5
1.5
1.5
0.25
6.5
6.5
5.5
ns
ns
ns
ns
Max
Units
Note 6:
All typical values are at V
CC
=
5.0V, T
A
=
25°C.
Note 7:
This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the On resis-
tance of the switch and the load capacitance. The time constant for the switch and alone is of the order of 0.25 ns for 50 pF load. Since this time constant is
much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch when
used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
Capacitance
(Note 8)
Symbol
C
IN
C
I/O
(OFF)
Parameter
Control Input Capacitance
Input/Output Capacitance
Typ
4
9
Max
6
13
Units
pF
pF
Conditions
V
CC
=
5.0V
V
CC
=
5.0V
Note 8:
Capacitance is characterized but not tested.
On-Resistance (R
ON
) vs Input Voltage
(V
CC
=
5.0V)
3
www.fairchildsemi.com
FST3383
Physical Dimensions
inches (millimeters) unless otherwise noted
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
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