MPC8250AVR Просмотр технического описания (PDF) - Freescale Semiconductor

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MPC8250AVR

MPC8250 Hardware Specifications

Freescale Semiconductor 

Electrical and Thermal Characteristics

2 Electrical and Thermal Characteristics

This section provides AC and DC electrical specifications and thermal characteristics for the MPC8250.

2.1 DC Electrical Characteristics

This section describes the DC electrical characteristics for the MPC8250. Table 1 shows the maximum

electrical ratings.

Table 1. Absolute Maximum Ratings 1

Rating

Symbol

Value

Unit

Core supply voltage 2

PLL supply voltage2

I/O supply voltage 3

Input voltage 4

VDD

-0.3 – 2.5

V

VCCSYN

-0.3 – 2.5

V

VDDH

-0.3 – 4.0

V

VIN

GND(-0.3) – 3.6

V

Junction temperature

Tj

120

°C

Storage temperature range

TSTG

(-55) – (+150)

°C

1 Absolute maximum ratings are stress ratings only; functional operation (see Table 2) at the maximums is not

guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage.

2 Caution: VDD/VCCSYN must not exceed VDDH by more than 0.4 V at any time, including during power-on reset.

3 Caution: VDDH can exceed VDD/VCCSYN by 3.3 V during power on reset by no more than 100 mSec. VDDH should

not exceed VDD/VCCSYN by more than 2.5 V during normal operation.

4 Caution: VIN must not exceed VDDH by more than 2.5 V at any time, including during power-on reset.

Table 2 lists recommended operational voltage conditions.

Table 2. Recommended Operating Conditions 1

Rating

Symbol

Value

Unit

Core supply voltage

PLL supply voltage

VDD

1.7 – 1.9 2

1.7–2.1 3

1.9 –2.2 4

V

VCCSYN

1.7 – 1.92

1.7–2.13

1.9–2.24

V

I/O supply voltage

VDDH

3.135 – 3.465

V

Input voltage

VIN

GND (-0.3) – 3.465

V

Junction temperature (maximum)

Tj

105 5

°C

Ambient temperature

TA

0–705

°C

1 Caution: These are the recommended and tested operating conditions. Proper device operating outside of these

conditions is not guaranteed.

2 CPU frequency less than or equal to 200 MHz.

3 CPU frequency greater than 200 MHz but less than 233 MHz.

4 CPU frequency greater than or equal to 233 MHz.

5 Note that for extended temperature parts the range is (-40)TA– 105Tj.

MPC8250 Hardware Specifications, Rev. 2

6

Freescale Semiconductor

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