參數(shù)資料
型號: MPC7450RX667LX
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, CBGA483
封裝: 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件頁數(shù): 11/60頁
文件大?。?/td> 1296K
代理商: MPC7450RX667LX
MPC7450 RISC Microprocessor Hardware Specifications
19
Electrical and Thermal Characteristics
1.5.2.2 Processor Bus AC Specifications
Table 10 provides the processor bus AC timing specifications for the MPC7450 as defined in Figure 4 and
Figure 5. Timing specifications for the L3 bus are provided in Section 1.5.2.3, “L3 Clock AC
Table 10. Processor Bus AC Timing Specifications
At recommended operating conditions. See Table 4.
Parameter
Symbol2
533, 600, 667 MHz
Unit
Notes
Min
Max
Mode select input setup to HRESET
tMVRH
8
—t
sysclk
3, 4, 5, 6
HRESET to mode select input hold
tMXRH
0
ns
2, 3, 5
Input setup times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], WT, CI,
D[0:63], DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3],
HRESET, INT, MCP, QACK, SMI, SRESET, TA,
TBEN, TEA, TS, EXT_QUAL, PMON_IN, SHD[0:1]
tAVKH
tIVKH
2.0
ns
Input hold times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], WT, CI,
D[0:63], DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3],
HRESET, INT, MCP, QACK, SMI, SRESET, TA,
TBEN, TEA, TS, EXT_QUAL, PMON_IN, SHD[0:1]
tAXKH
tIXKH
0
ns
Output valid times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], WT, CI
TS
D[0:63], DP[0:7]
ARTRY/SHD0/SHD1
BR, CKSTP_OUT, DRDY, HIT, PMON_OUT, QREQ]
tKHAV
tKHTSV
tKHDV
tKHARV
tKHOV
2.5
2.8
2.5
ns
Output hold times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], WT, CI
TS
D[0:63], DP[0:7]
ARTRY/SHD0/SHD1
BR, CKSTP_OUT, DRDY, HIT, PMON_OUT, QREQ
tKHAX
tKHTSX
tKHDX
tKHARX
tKHOX
0.5
ns
SYSCLK to output enable
tKHOE
0.5
ns
SYSCLK to output high impedance (all except TS,
ARTRY, SHD0, SHD1)
tKHOZ
—3.5
ns
SYSCLK to TS high impedance after precharge
tKHTSPZ
—1
t
sysclk
5, 7, 10
Maximum delay to ARTRY/SHD0/SHD1 precharge
tKHARP
—1
t
sysclk
5, 8,
9, 10
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