参数资料
型号: MC7457RX1200LC
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1200 MHz, RISC PROCESSOR, CBGA483
封装: 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件页数: 10/72页
文件大小: 1598K
代理商: MC7457RX1200LC
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 7
18
Freescale Semiconductor
Electrical and Thermal Characteristics
Table 9. Processor Bus AC Timing Specifications 1
At recommended operating conditions. See Table 4.
Parameter
Symbol 2
All Revisions and
Speed Grades
Unit
Notes
Min
Max
Input setup times:
A[0:35], AP[0:4]
D[0:63], DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3], GBL,
TT[0:3], QACK, TA, TBEN, TEA, TS, EXT_QUAL,
PMON_IN, SHD[0:1], BMODE[0:1],
BMODE[0:1], BVSEL, L3VSEL
tAVKH
tDVKH
tIVKH
tMVKH
1.8
ns
8
Input hold times:
A[0:35], AP[0:4]
D[0:63], DP[0:7]
AACK, ARTRY, BG, CKSTP_IN, DBG, DTI[0:3], GBL, TT[0:3],
QACK, TA, TBEN, TEA, TS, EXT_QUAL, PMON_IN,
HD[0:1]
BMODE[0:1], BVSEL, L3VSEL
tAXKH
tDXKH
tIXKH
tMXKH
0
ns
8
Output valid times:
A[0:35], AP[0:4]
D[0:63], DP[0:7]
AACK, ARTRY, BR, CI, CKSTP_IN, DRDY, DTI[0:3], GBL, HIT,
PMON_OUT, QREQ, TBST, TSIZ[0:2], TT[0:3], TS,
SHD[0:1], WT
tKHAV
tKHDV
tKHOV
2.0
ns
Output hold times:
A[0:35], AP[0:4]
D[0:63], DP[0:7]
AACK, ARTRY, BR, CI, CKSTP_IN, DRDY, DTI[0:3], GBL, HIT,
PMON_OUT, QREQ, TBST, TSIZ[0:2], TT[0:3], TS,
SHD[0:1], WT
tKHAX
tKHDX
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
tSYSCLK
3, 4, 5
Maximum delay to ARTRY/SHD0/SHD1 precharge
tKHARP
—1
tSYSCLK
3, 5
6, 7
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