參數(shù)資料
型號: MC7445ARX1000LG
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: RISC Microprocessor Hardware Specifications
中文描述: RISC微處理器硬件規(guī)格
文件頁數(shù): 17/64頁
文件大?。?/td> 1127K
代理商: MC7445ARX1000LG
MPC7455 RISC Microprocessor Hardware Specifications, Rev. 4.1
Freescale Semiconductor
17
Electrical and Thermal Characteristics
5.2.2 Processor Bus AC Specifications
Table 9
provides the processor bus AC timing specifications for the MPC7455 as defined in
Figure 4
and
Figure 5
.
Timing specifications for the L3 bus are provided in
Section 5.2.3, “L3 Clock AC Specifications
.”
Table 9. Processor Bus AC Timing Specifications
1
At recommended operating conditions. See
Table 4
.
Parameter
Symbol
2
All Speed Grades
Unit
Notes
Min
Max
Input setup times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], TT[0:3], D[0:63],
DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3], QACK, TA,
TBEN, TEA, TS, EXT_QUAL, PMON_IN, SHD[0:1]
BMODE[0:1], BVSEL, L3VSEL
t
AVKH
t
IVKH
t
MVKH
2.0
2.0
2.0
ns
8
Input hold times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], TT[0:3], D[0:63],
DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3], QACK, TA,
TBEN, TEA, TS,EXT_QUAL, PMON_IN, SHD[0:1]
BMODE[0:1], BVSEL, L3VSEL
t
AXKH
t
IXKH
t
MXKH
0
0
0
ns
8
Output valid times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], TT[0:3], WT, CI
TS
D[0:63], DP[0:7]
ARTRY/SHD0/SHD1
BR, CKSTP_OUT, DRDY, HIT, PMON_OUT, QREQ]
t
KHAV
t
KHTSV
t
KHDV
t
KHARV
t
KHOV
2.5
2.5
2.5
2.5
2.5
ns
Output hold times:
A[0:35], AP[0:4], GBL, TBST, TSIZ[0:2], TT[0:3], WT, CI
TS
D[0:63], DP[0:7]
ARTRY/SHD0/SHD1
BR, CKSTP_OUT, DRDY, HIT, PMON_OUT, QREQ
t
KHAX
t
KHTSX
t
KHDX
t
KHARX
t
KHOX
0.5
0.5
0.5
0.5
0.5
ns
SYSCLK to output enable
t
KHOE
0.5
ns
SYSCLK to output high impedance (all except TS, ARTRY,
SHD0, SHD1)
t
KHOZ
3.5
ns
SYSCLK to TS high impedance after precharge
t
KHTSPZ
1
t
SYSCLK
t
SYSCLK
3, 4, 5
Maximum delay to ARTRY/SHD0/SHD1 precharge
t
KHARP
1
3, 5,
6, 7
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