MPC8264 MOTOROLA [Motorola, Inc], MPC8264 Datasheet - Page 17

• Manufacturer Part Number: MPC8264
• Description: MPC826xA (HiP4) Family Hardware Specifications
• Manufacturer: MOTOROLA [Motorola, Inc]

1
Table 10 lists SIU input characteristics.
Table 10 lists SIU output characteristics.
Figure 9 shows the interaction of several bus signals.
MOTOROLA
1
Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN.
Output specifications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the
Timings are measured at the pin.
signal. Timings are measured at the pin.
sp11
sp12
sp13
sp14
sp15
Max
sp33a
sp33b
sp31
sp32
sp34
sp35
Max
Spec Number
Spec Number
sp10
sp10
sp10
sp10
sp10
Min
Activating data pipelining (setting BRx[DR] in the memory controller)
improves the AC timing. When data pipelining is activated, sp12 can be
used for data bus setup even when ECC or PARITY are used. Also, sp33a
can be used as the AC specification for DP signals.
sp30
sp30
sp30
sp30
sp30
sp30
Min
AACK/ARTRY/TA/TS/TEA/DBG/BG/BR
Data bus in normal mode
Data bus in ECC and PARITY modes
DP pins
All other pins
PSDVAL/TEA/TA
ADD/ADD_atr./BADDR/CI/GBL/WT
Data bus
DP
Memory controller signals/ALE
All other signals
MPC826xA (HiP4) Family Hardware Specifications
Table 10. AC Characteristics for SIU Outputs
Table 9. AC Characteristics for SIU Inputs
Characteristic
Characteristic
NOTE
Electrical and Thermal Characteristics
66 MHz 83 MHz 66 MHz 83 MHz
Max Delay (ns)
66 MHz 83 MHz 66 MHz 83 MHz
6.5
1
7
8
8
6
6
1
Setup (ns)
6
5
8
7
5
6.5
6.5
5.5
6
7
5
5
4
6
6
4
Min Delay (ns)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Hold (ns)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
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