MPC755CPX400LE datasheet(15/56 Pages) MOTOROLA

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MPC755 RISC Microprocessor Hardware Specifications, Rev. 6.1

Freescale Semiconductor

Electrical and Thermal Characteristics

Figure 4 provides the mode select input timing diagram for the MPC755.

Figure 4. Mode Input Timing Diagram

Figure 5 provides the AC test load for the MPC755.

Figure 5. AC Test Load

Table 10. Processor Bus AC Timing Specifications 1

At recommended operating conditions (see Table 3)

Parameter

Symbol

All Speed Grades

Unit

Notes

Min

Max

Setup times: All inputs

tIVKH

2.5

—

Input hold times: TLBISYNC, MCP, SMI

tIXKH

0.6

—

Input hold times: All inputs, except TLBISYNC, MCP, SMI

tIXKH

0.2

—

Valid times: All outputs

tKHOV

—4.1

Output hold times: All outputs

tKHOX

1.0

—

SYSCLK to output enable

tKHOE

0.5

—

SYSCLK to output high impedance (all except ABB, ARTRY, DBB)tKHOZ

—6.0

SYSCLK to ABB, DBB high impedance after precharge

tKHABPZ

—1.0

tsysclk

2, 3, 4

Maximum delay to ARTRY precharge

tKHARP

—1

tsysclk

2, 3, 5

HRESET

Mode Signals

tMVRH

tMXRH

VM = Midpoint Voltage (OVDD/2)

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

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