參數(shù)資料
型號: MC7445ARX867LF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 867 MHz, RISC PROCESSOR, CBGA360
封裝: 25 X 25 MM, 1.27 MM PITCH, CERAMIC, BGA-360
文件頁數(shù): 9/68頁
文件大?。?/td> 1609K
代理商: MC7445ARX867LF
MOTOROLA
MPC7455 RISC Microprocessor Hardware Specifications
17
Electrical and Thermal Characteristics
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
tAVKH
tIVKH
tMVKH
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
tAXKH
tIXKH
tMXKH
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]
tKHAV
tKHTSV
tKHDV
tKHARV
tKHOV
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
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
3, 4, 5
Maximum delay to ARTRY/SHD0/SHD1 precharge
tKHARP
—1
t
SYSCLK
3, 5,
6, 7
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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