mpc8245ec Freescale Semiconductor, Inc, mpc8245ec Datasheet - Page 11

• Manufacturer Part Number: mpc8245ec
• Description: Mpc8245 Integrated Host Processor
• Manufacturer: Freescale Semiconductor, Inc

4.2.1
Table 4
are preliminary estimates from an IBIS model and are not tested.
Freescale Semiconductor
At recommended operating conditions (see
Capacitance
Notes:
1. See
2. See
3. These specifications are for the default driver strengths indicated in
4. Leakage current is measured on input and output pins in the high-impedance state. The leakage current is measured for
DRV_STD_MEM
DRV_PCI
DRV_MEM_CTRL
DRV_PCI_CLK
DRV_MEM_CLK
Notes:
1. For DRV_PCI, I
2. For all others with GV
3. For DRV_PCI, I
4. For all others with GV
5. See driver bit details for output driver control register (0x73) in the MPC8245 Integrated Processor Reference Manual.
6. See Chip Errata No. 19 in the MPC8245/MPC8241 RISC Microprocessor Chip Errata.
as listed in
nominal OV
the 0.3- and 0.4-V table entries’ current values that correspond to the PCI V
table entry voltage = OV
entry that corresponds to the V
= 3.3 V) by interpolating between the 0.3- and 0.4-V table entries.
table entry.
Table 16
Table 4
provides information on the characteristics of the output drivers referenced in
Driver Type
Characteristic
Output Driver Characteristics
Table
DD
for the typical drive capability of a specific signal pin based on the type of output driver associated with that pin
for pins with internal pull-up resistors.
/LV
OH
OL
16.
DD,
read from the IBIS listing in the pull-down mode, I(Min) column, at 0.33 V = PCI V
read from the IBIS listing in the pull-up mode, I(Min) column, at the 0.33-V label by interpolating between
and V
DD
DD
DD
or OV
MPC8245 Integrated Processor Hardware Specifications, Rev. 10
or OV
DD
– PCI V
Table 4. Drive Capability of MPC8245 Output Pins
DD
or both OV
Table 3. DC Electrical Specifications (continued)
OH
DD
Output Impedance
V
= 3.3 V, I
Programmable
= 3.3 V, I
= 2.4 V where table entry voltage = GV
in
Table
OH
20 (default)
40 (default)
6 (default)
= 0 V, f = 1 MHz
.
Condition
(Ω)
40
20
20
40
2)
DD
OH
OL
/LV
read from the IBIS listing in the pull-up mode, I(Min) column, at the 0.9-V table
read from the IBIS listing in the pull-down mode, I(Min) column, at the 0.4-V
DD
3
and V
DD
OV
GV
must vary in the same direction.
Symbol
Voltage
Supply
DD
DD
C
in
= 3.3 V
= 3.3 V
Table
DD
4.
OH
Min
/OV
—
= 2.97 = 0.9 × OV
DD
36.6
18.6
12.0
89.0
36.6
18.6
I
6.1
OH
– V
Electrical and Thermal Characteristics
OH
5
.
Max
16.0
18.0
12.4
42.3
18.0
I
9.2
6.3
9.2
OL
DD
Table
OL
(OV
= 0 × OV
Unit
Unit
mA
mA
mA
mA
mA
mA
mA
DD
pF
16. The values
= 3.3 V) where
DD
Notes
Notes
2, 4, 6
2, 4, 6
(OV
1, 3
1, 3
2, 4
2, 4
2, 4
DD
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