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Switching Characteristics
P82B96
DUAL BIDIRECTIONAL BUS BUFFER
SCPS144B – MAY 2006 – REVISED JULY 2007
Electrical Characteristics (continued)
V
CC
= 15 V, voltages are specified with respect to GND (unless otherwise noted)
T
A
= 25 ° C T
A
= –40 ° C to 85 ° C
PARAMETER TEST CONDITIONS UNIT
MIN TYP
(1)
MAX MIN MAX
Sx, Sy are low, V
CC
V
CC
voltage at
Sx, Sy ramping, voltage on
V
IOrel
which all buses 1 1 V
Tx, Ty Tx, Ty lowered until
are released
released
Temperature coefficient of
Δ V/ Δ T
REL
–4 mV/ ° C
release voltage
C
in
Input capacitance Rx, Ry 2.5 4 4 pF
V
CC
= 5 V, T
A
= 25 ° C, no capacitive loads, voltages are specified with respect to GND (unless otherwise noted)
FROM TO
PARAMETER TEST CONDITIONS TYP UNIT
(INPUT) (OUTPUT)
R
Tx
pullup = 160 Ω ,
Buffer delay time on falling V
Sx
(or V
Sy
) = input switching V
Tx
(or V
Ty
) output falling
t
pzl
C
Tx
= 7 pF + board 70 ns
input
(1)
threshold 50% of V
LOAD
trace capacitance
R
Tx
pullup = 160 Ω ,
Buffer delay time on rising V
Sx
(or V
Sy
) = input switching V
Tx
(or V
Ty
) output
t
plz
C
Tx
= 7 pF + board 90 ns
input
(2)
threshold reaching 50% of V
LOAD
trace capacitance
R
Sx
pullup = 1500 Ω ,
Buffer delay time on falling V
Rx
(or V
Ry
) = input switching V
Sx
(or V
Sy
) output falling
t
pzl
C
Tx
= 7 pF + board 250 ns
input
(3)
threshold 50% of V
LOAD
trace capacitance
R
Sx
pullup = 1500 Ω ,
Buffer delay time on rising V
Rx
(or V
Ry
) = input switching V
Sx
(or V
Sy
) output
t
plz
C
Tx
= 7 pF + board 270 ns
input
(4)
threshold reaching 50% of V
LOAD
trace capacitance
(1) The fall time of V
Tx
from 5 V to 2.5 V in the test is approximately 15 ns.
(2) The fall time of V
Sx
from 5 V to 2.5 V in the test is approximately 50 ns.
(3) The rise time of V
Tx
from 0 V to 2.5 V in the test is approximately 20 ns.
(4) The rise time of V
Sx
from 0.9 V to 2.5 V in the test is approximately 70 ns.
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