Compatible Systems RISC 2800i Bedienungsanleitung PDF herunterladen (Seite 9)

MPC7447A RISC Microprocessor Hardware Specifications, Rev. 5

Freescale Semiconductor 9

General Parameters

4 General Parameters

The following list is a summary of the general parameters of the MPC7447A:

Technology 0.13-μm CMOS, nine-layer metal

Die size 8.51 mm × 9.86 mm

Transistor count 48.6 million

Logic design Fully-static

Packages Surface mount 360 ceramic ball grid array (HCTE)

Surface mount RoHS-compliant 360 ceramic ball grid array (HCTE)

Surface mount 360 ceramic land grid array (HCTE)

Core power supply 1.3 V ± 50 mV DC (nominal), or

1.2 V ± 50 mV DC (derated)

I/O power supply 1.8 V ± 5% DC, or

2.5 V ± 5% DC

5 Electrical and Thermal Characteristics

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

MPC7447A.

5.1 DC Electrical Characteristics

The tables in this section describe the MPC7447A DC electrical characteristics. Table 2 provides the

absolute maximum ratings.

Number of 32-byte sectors/line 2

Parity Byte

Thermal Control

Dynamic frequency switching (DFS) Yes No No No

Thermal diode Yes No No No

Table 2. Absolute Maximum Ratings

Characteristic Symbol Maximum Value Unit Notes

Core supply voltage V

–0.3 to 1.60 V 2

PLL supply voltage AV

–0.3 to 1.60 V 2

Processor bus supply voltage BVSEL = 0 OV

–0.3 to 1.95 V 3, 4

BVSEL = HRESET

or OV

–0.3 to 2.7 V 3, 5

Input voltage Processor bus V

–0.3 to OV

+ 0.3 V 6, 7

JTAG signals V

–0.3 to OV

+ 0.3 V —

Table 1. Microarchitecture Comparison (continued)

Microarchitectural Specs MPC7447A MPC7447 MPC7445 MPC7441

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 55 56

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