参数资料
型号: MC7455ARX867LG
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 867 MHz, RISC PROCESSOR, CBGA483
封装: 29 X 29 MM, 1.27 MM PITCH, CERAMIC, BGA-483
文件页数: 9/76页
文件大小: 1520K
代理商: MC7455ARX867LG
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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