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PC7447 Datasheet(PDF) 34 Page - ATMEL Corporation

Part # PC7447
Description  PowerPC 7457 RISC Microprocessor
PDF  66 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

PC7447 Datasheet(HTML) 34 Page - ATMEL Corporation

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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 (GVDD/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 = 50Ω
RL = 50Ω
OVDD/2
Output



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