79RV4640-267DU 查看數據表（PDF） - Integrated Device Technology

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79RV4640-267DU

Low-Cost Embedded 64-bit RISController w/ DSP Capability

Integrated Device Technology 

IDT79RC4640™

AC Electrical Characteristics — Commercial/Industrial Temperature

Range—RV4640

(VCC=3.3V ± 5%; Commercial TCASE = 0°C to +85°C, Industrial TCASE = -40°C to +85°C)

Clock Parameters—RV4640

Note: Operation of the RC4650 is only guaranteed with the Phase Lock Loop enabled.

Parameter

Symbol

Test Conditions

RV4640

133MHz

Min Max

Units

Pipeline clock Frequency

PClk

50

133

MHz

MasterClock HIGH

tMCHIGH

Transition ≤ tMCRise/Fall

3

—

ns

MasterClock LOW

tMCLOW

Transition ≤ tMCRise/Fall

3

—

ns

MasterClock Frequency

—

—

25

67

MHz

MasterClock Period

tMCP

—

15

40

ns

Clock Jitter for MasterClock

tJitterIn1

—

—

±250

ps

MasterClock Rise Time

tMCRise1

—

—

4

ns

MasterClock Fall Time

tMCFall1

—

—

4

ns

ModeClock Period

tModeCKP1

—

—

256*

ns

tMCP

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating

only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification

is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

Parameter

RV4640

150MHz

Min Max

RV4640

180MHz

Min Max

RV4640

200MHz

Min Max

RV4640

267MHz

Min Max

Units

Pipeline clock Frequency

50

150

50

180

50

200

100 267

MHz

MasterClock HIGH

3

—

3

—

3

—

3

—

ns

MasterClock LOW

MasterClock Frequency1

3

—

25

75

3

—

25

90

3

—

3

—

ns

25

100

50

125

MHz

MasterClock Period

13.3 40

11.1 40

10

40

8

20

ns

Clock Jitter for MasterClock —

±250 —

±250 —

±250 —

±250 ps

MasterClock Rise Time

—

3

—

2.5

—

2

—

2

ns

MasterClock Fall Time

—

3

—

2.5

—

2

—

2

ns

ModeClock Period

—

256* —

256* —

tMCP

tMCP

1. Operation of the RC4650 is only guaranteed with the Phase Lock Loop enabled.

256* —

tMCP

256* ns

tMCP

System Interface Parameters—RV4640

(VCC=3.3V ± 5%; Commercial TCASE = 0°C to +85°C, Industrial TCASE = -40°C to +85°C)

17 of 23

December 5, 2008

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