MPC8270 MOTOROLA [Motorola, Inc], MPC8270 Datasheet - Page 20

• Manufacturer Part Number: MPC8270
• Description: PowerQUICC II Family Hardware Specifications
• Manufacturer: MOTOROLA [Motorola, Inc]

1
Table 12 lists SIU output characteristics.
Spec Number
sp33a
sp33b
sp35a
20
sp31
sp32
sp34
sp35
Max
Output specifications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the signal.
Timings are measured at the pin.
sp30 PSDVAL/TEA/TA
sp30 ADD/ADD_atr./BADDR/CI/GBL/WT
sp30 Data bus
sp30 DP
sp30 Memory controller signals/ALE
sp30 All other signals
sp30 AP
Min
Activating data pipelining (setting BRx[DR] in the memory controller)
improves the AC timing.
MPC8280 PowerQUICC II™ Family Hardware Specifications
Characteristic
Table 12. AC Characteristics for SIU Outputs
NOTE
66 MHz
6.5
7
8
6
6
6
7
Maximum Delay
83 MHz 100 MHz 66 MHz
6.5
6.5
5.5
5.5
5.5
6
7
5.5
5.5
5.5
5.5
5.5
5.5
7
Value (ns)
1
0.7
1
1
1
1
1
1
Minimum Delay
83 MHz 100 MHz
0.7
1
1
1
1
1
1
MOTOROLA
0.7
1
1
1
1
1
1