FSTD3125 Fairchild Semiconductor, FSTD3125 Datasheet - Page 4

• Manufacturer Part Number: FSTD3125
• Description: 4-Bit Bus Switch with Level Shifting
• Manufacturer: Fairchild Semiconductor

© 2001 Fairchild Semiconductor Corporation
FST3D125 • Rev. 1.0.2
DC Electrical Characteristics
Typical values are at V
Note:
3.
AC Electrical Characteristics
T
Note:
4.
Capacitance
T
Symbol
A
A
Symbol
Symbol
t
t
= -40 to +85°C, C
t
= +25°C, f = 1MHz. Capacitance is characterized, but not tested.
PHL
PHZ
ΔI
PZH
R
V
V
V
V
I
I
C
I
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.
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 source (zero output impedance).
C
OZ
CC
IN
OH
ON
IH
CC
IK
IL
I/O
, t
IN
, t
,t
PLH
PZL
PLZ
Clamp Diode Voltage
High-Level Input Voltage
High-Level
Low-Level Input Voltage
Input Leakage Current
Off-state Leakage
Current
Switch On Resistance
Quiescent Supply Current
Increase in I
Control Pin Input Capacitance
Input/Output Capacitance
Propagation Delay, Bus-to-Bus
Output Enable Time
Output Disable Time
Parameter
L
= 50pF, and R
CC
= 5.0V and T
CC
Parameter
Parameter
per Input
(3)
U
= R
A
= 25°C.
I
Figure 5, Figure 6, and
Figure 7
0 ≤ V
V
0 ≤ A, B ≤ V
V
V
V
/OE
V
I
/OE
V
I
One Input at 3.4V, Other
Inputs at V
D
IN
OUT
OUT
IN
IN
IN
IN
IN
IN
= 500Ω.
= -18mA
= 5.5V
= 0V, I
= 0V, I
= 2.4V, I
= V
= V
1
1
= 0
= 0
IN
= /OE
= /OE
Conditions
(4)
CC
CC
≤ 5.5V
or GND,
or GND,
IN
IN
CC
2
2
V
V
V
V
V
CC
V
V
IN
= 64mA
= 30mA
IN
IN
IN
IN
IN
= GND
= V
CC
CC
or GND
= 15mA
Conditions
= Open
= 7V for t
= Open for t
= 7V for t
= Open for t
, /OE = 5.0V
CC
= 5.0V
4
Conditions
PZL
PLZ
PZH
PHZ
4.5 to 5.5
4.0 to 5.5
4.5 to 5.5
V
CC
4.5
5.5
5.5
4.5
4.5
4.5
5.5
5.5
0
(V)
V
Min.
1.0
1.5
CC
= 4.5 – 5.5V
Min.
2.0
T
A
Max.
0.25
=-40 to +85°C
6.1
6.4
Typ.
35
4
4
Typ.
3
6
Units
ns
ns
ns
Max.
±1.0
±1.0
-1.2
0.8
1.5
2.5
10
50
10
7
7
www.fairchildsemi.com
Figure 3
Figure 4
Figure 3
Figure 4
Figure 3
Figure 4
Figure
Units
pF
pF
Units
mA
µA
µA
µA
µA
Ω
V
V
V
V