MPC745 Motorola Semiconductor Products, MPC745 Datasheet - Page 14

• Manufacturer Part Number: MPC745
• Description: Host Processor
• Manufacturer: Motorola Semiconductor Products

Electrical and Thermal Characteristics
Figure 4 provides the mode select input timing diagram for the MPC755.
Figure 5 provides the AC test load for the MPC755.
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At recommended operating conditions (see Table 3)
Setup times: All inputs
Input hold times: TLBISYNC, MCP, SMI
Input hold times: All inputs, except TLBISYNC, MCP, SMI
Valid times: All outputs
Output hold times: All outputs
SYSCLK to output enable
SYSCLK to output high impedance (all except ABB, ARTRY, DBB)
SYSCLK to ABB, DBB high impedance after precharge
Maximum delay to ARTRY precharge
Mode Signals
HRESET
Output
MPC755 RISC Microprocessor Hardware Specifications
Table 10. Processor Bus AC Timing Specifications
Parameter
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 4. Mode Input Timing Diagram
VM = Midpoint Voltage (OV
Go to: www.freescale.com
Z
Figure 5. AC Test Load
0
t
MVRH
= 50
VM
Symbol
t
t
KHABPZ
t
t
t
t
KHARP
DD
t
t
t
KHOV
KHOX
KHOE
KHOZ
IVKH
IXKH
IXKH
t
MXRH
R
/2)
L
= 50
All Speed Grades
Min
2.5
0.6
0.2
1.0
0.5
—
—
—
—
OV
1
DD
Max
/2
4.1
6.0
1.0
—
—
—
—
—
1
t
t
Unit
sysclk
sysclk
ns
ns
ns
ns
ns
ns
ns
MOTOROLA
Notes
2, 3, 4
2, 3, 5
6
6
2
2