Datasheet

MPC8241 Integrated Processor Hardware Specifications, Rev. 10
Freescale Semiconductor 7
Electrical and Thermal Characteristics
4.1.2 Recommended Operating Conditions
Table 2 provides the recommended operating conditions for the MPC8241.
Table 2. Recommended Operating Conditions
1
Characteristic Symbol
Recommended
Value
Unit Notes
Supply voltage V
DD
1.8 ± 100 mV V 2
I/O buffer supply for PCI and standard; supply voltages for
memory bus drivers
GV
DD
_OV
DD
3.3 ± 0.3 V 2
CPU PLL supply voltage AV
DD
1.8 ± 100 mV 2
PLL supply voltage—peripheral logic AV
DD
21.8± 100 mV V 2
PCI reference LV
DD
5.0 ± 5% V 4, 5, 6
3.3
± 0.3 V 5, 6, 7
Input voltage PCI inputs V
in
0 to 3.6 or 5.75 V 4, 7
All other inputs 0 to 3.6 V 8
Die-junction temperature T
j
0 to 105 •CC
Notes:
1. Freescale has tested these operating conditions and recommends them. Proper device operation outside of these conditions
is not guaranteed.
2. Caution: GV
DD
_OV
DD
must not exceed V
DD
/AV
DD
/AV
DD
2 by more than 1.8 V at any time including during power-on reset.
Note that GV
DD
_OV
DD
pins are all shorted together: This limit may be exceeded for a maximum of 20 ms during power-on
reset and power-down sequences. Connections should not be made to individual PWRRING pins.
3. Caution: V
DD
/AV
DD
/AV
DD
2 must not exceed GV
DD
_OV
DD
by more than 0.6 V at any time, including during power-on reset.
This limit may be exceeded for a maximum of 20 ms during power-on reset and power-down sequences.
4. PCI pins are designed to withstand LV
DD
+ 0.5 V DC when LV
DD
is connected to a 5.0 V DC power supply.
5. Caution: LV
DD
must not exceed V
DD
/AV
DD
/AV
DD
2 by more than 5.4 V at any time, including during power-on reset. This limit
may be exceeded for a maximum of 20 ms during power-on reset and power-down sequences.
6. Caution: LV
DD
must not exceed GV
DD
_OV
DD
by more than 3.0 V at any time, including during power-on reset. This limit may
be exceeded for a maximum of 20 ms during power-on reset and power-down sequences.
7. PCI pins are designed to withstand LV
DD
+ 0.5 V DC when LV
DD
is connected to a 3.3 V DC power supply.
8. Caution: Input voltage (V
in
) must not be greater than the supply voltage (V
DD
/AV
DD
/AV
DD
2) by more than 2.5 V at all times
including during power-on reset. Input voltage (V
in
) must not be greater than GV
DD
_OV
DD
by more than 0.6 V at all times
including during power-on reset.