参数资料
型号: MPC8314VRAGDA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PBGA620
封装: 29 X 29 MM, LEAD FREE, PLASTIC, TEPBGA-620
文件页数: 53/106页
文件大小: 1253K
代理商: MPC8314VRAGDA
MPC8314E PowerQUICC II Pro Processor Hardware Specifications, Rev. 0
50
Freescale Semiconductor
PCI
Table 51 shows the PCI AC Timing Specifications at 33 MHz.
Figure 34 provides the AC test load for PCI.
Figure 34. PCI AC Test Load
Figure 35 shows the PCI input AC timing conditions.
Figure 35. PCI Input AC Timing Measurement Conditions
Table 51. PCI AC Timing Specifications at 33 MHz
Parameter
Symbol 1
Min
Max
Unit
Notes
Clock to output valid
tPCKHOV
—11
ns
2
Output hold from clock
tPCKHOX
2—
ns
2
Clock to output high impedance
tPCKHOZ
—14
ns
2, 3
Input setup to clock
tPCIVKH
4.0
ns
2, 4
Input hold from clock
tPCIXKH
0—
ns
2, 4
Notes:
1. Note that the symbols used for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tPCIVKH
symbolizes PCI timing (PC) with respect to the time the input signals (I) reach the valid state (V) relative to the PCI_SYNC_IN
clock, tSYS, reference (K) going to the high (H) state or setup time. Also, tPCRHFV symbolizes PCI timing (PC) with respect to
the time hard reset (R) went high (H) relative to the frame signal (F) going to the valid (V) state.
2. See the timing measurement conditions in the
PCI 2.3 Local Bus Specifications.
3. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
through the component pin is less than or equal to the leakage current specification.
4. Input timings are measured at the pin.
Output
Z0 = 50 Ω
NVDD/2
RL = 50 Ω
tPCIVKH
CLK
Input
tPCIXKH
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