参数资料
型号: MPC8270VRMHBX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-516
文件页数: 13/80页
文件大小: 536K
代理商: MPC8270VRMHBX
MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
20
Freescale Semiconductor
AC Electrical Characteristics
Figure 9 shows the interaction of several bus signals.
Figure 9. Bus Signals
sp33b
sp30
DP
6
5.5
1
sp34
sp30
Memory controller signals/ALE
6
5.5
1
sp35
sp30
All other signals
6
5.5
1
sp35a
sp30
AP
7771
11
1
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.
2
To achieve 1 ns of hold time at 66, 83, or 100 MHz, a minimum loading of 20 pF is required.
Table 12. AC Characteristics for SIU Outputs 1
Spec Number
Characteristic
Value (ns)
Max
Min
Maximum Delay
Minimum Delay
66 MHz
83 MHz
100 MHz
66 MHz
83 MHz
100 MHz
CLKin
AACK/TA/TS/
DATA bus normal mode
All other input signals
PSDVAL/TEA/TA output signals
ADD/ADD_atr/BADDR/CI/
DATA bus output signals
All other output signals
sp11
sp12
sp15
sp10
sp30
sp32
sp33a
sp35
DBG/BG/BR input signals
GBL/WT output signals
sp31
input signal
AP signals
sp30
sp35a
ARTRY/TEA input signals
sp11a
sp10
(except AP)
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