ADVANCE INFORMATION
PI74LVCC4245A
8-Bit Dual Supply Bus Transceiver
with Configurable Output Voltage and 3-State Outputs
Capacitance
(T
A
= 25°C)
Parameters
C
IN
C
I/O
C
PD
Description
Control Input
Capacitance
Input/Output Capacitance
(A or B port)
Power Dissipation
Capacitance
(7)
Test Conditions
V
I
= V
CCA
or GND, V
CCA
= Open, V
CCB
=Open
V
I/O
= V
CCA/B
or GND, V
CCA
= 5V, V
CCB
= 3.3V
Outputs Enabled
Outputs Disabled
V
CCA
= 5V, V
CCB
= 3.3V
C
L
= 0pF, f = 10MHz
Typ.
2.4
9.5
20
2.2
pF
Units
Notes:
7. C
PD
is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption
(I
CCD
) at no output loading and operating at 50% duty cycle, C
PD
is related to I
CCD
dynamic operating current by the expression:
I
CCD =
(C
PD
)(V
CC
)(f
IN
) +(I
CC
static)
AC Electrical Characteristics
(Over Operating Range, –40°C to +85°C)
Parameters
t
PHL
t
PLH
t
PHL
t
PLH
t
PZL
t
PZH
t
PZL
t
PZH
t
PLZ
t
PHZ
t
PLZ
t
PHZ
t
SK(O)
From
(Input)
To
(Output)
V
CCA
= 5V ± 0.5V,
V
CCB
= 5V ± 0.5V
C
L
= 50pF, R
L
= 500Ω
Min.
A
B
OE
OE
OE
OE
B
A
A
B
A
B
1
1
1
1
1
1
1
1
1
1
1
1
Max.
6.1
5.8
6
6.2
8
7.1
8
8
5.2
4.9
5.2
4.9
1.5
V
CCA
= 5V ± 0.5V,
V
CCB
= 2.7V to 3.6V
C
L
= 50pF, R
L
= 500Ω
Min.
1
1
1
1
1
1
1
1
1
1
1
1
Max.
6
5.8
6.1
6.2
8
7.1
8
7.8
5.2
4.9
5.4
5.4
1.5
ns
Units
Output-to-Output
Skew
(8)
Note:
8. Skew between any two outputs of the same device, switching in the same direction. Parameter guaranteed by design.
5
P-0.4
08/11/03
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
