參數(shù)資料
型號: PC7447
廠商: Atmel Corp.
英文描述: PowerPC 7457 RISC Microprocessor
中文描述: 7457的PowerPC RISC微處理器
文件頁數(shù): 34/66頁
文件大?。?/td> 522K
代理商: PC7447
34
PC7457/47 [Preliminary]
5345B–HIREL–02/04
Figure 16 shows the L3 bus timing diagrams for the PC7457 interfaced to PB2 or Late Write SRAMs.
Figure 16.
L3 Bus Timing Diagrams for Late Write or PB2 SRAMs
Note:
VM = Midpoint Voltage (GV
DD
/2)
Figure 17.
AC Test Load
L3_ECHO_CLK[0,2]
VM
tL3DVEH
tL3DXEH
L3_CLK[0,1]
ADDR, L3_CNTL
VM
tL3CHOV
tL3CHOX
VM
tL3CHDZ
Outputs
Inputs
L3_ECHO_CLK[1,3]
tL3CHDV
tL3CHDX
tL3CHOZ
L3DATA WRITE
Parity Inputs
L3 Data and Data
Z0 = 50
RL = 50
OVDD/2
Output
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