1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for applicable device.
2. Typical values are at V
CC
= 5.0V, +25°C ambient.
3. This is the increase in supply current for S0 at the specified TTL voltage level rather than V
CC
or GND.
4. Per TTL driven input (V
IN
= 3.4V, S0 only); A and B pins do not contribute to I
CC
.
5. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency.
The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
PI5C16292 Switching Characteristics over Operating Range
PI5C16292
Com.
Parameters
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
M
Description
Conditions
(1)
Min
—
1.5
1.5
1.5
0
Max
0.25
6.5
7
8
2
Units
ns
ns
ns
ns
Propagation Delay
(2,3)
xA1 to xBx, xBx to xA1
C
L
= 50pF
Bus Enable time
R
L
= 500Ω
S to xA1 or xBx
R = 500Ω to 7V
(4)
Bus Disable time
S to xA1 or xBx
Make-before-break time
(2)
PI5C162292 Switching Characteristics over Operating Range
PI5C162292
Com.
Parameters
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
M
Description
Propagation Delay
(2,3)
xA1 to xBx, xBx to xA1
Bus Enable Time
S to xA1 or xBx
Bus Disable Time
S to xA1 or xBx
Make-before-break time
(2)
Conditions
(1)
Min
—
C
L
= 50pF
R
L
= 500Ω
R = 500Ω to 7V
(4)
1.5
1.5
1.5
0
Max
1.25
6.5
7
8
2
Units
ns
ns
ns
ns
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and load capacitance. The time constant
for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than rise/fall times of typical driving signals,
it adds very little propagational delay to the system. Propagational 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.
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Microcontroller MCU
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