IDT79R4650-100DP(2000) View Datasheet(PDF) - Integrated Device Technology

Part Name

Description

Manufacturer

IDT79R4650-100DP
(Rev.:2000)

Low-Cost 64-bit RISController w/DSP Capability

Integrated Device Technology 

IDT79RC4650™

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Initialization interface:

VCCOk

Input

ColdReset*

Input

Reset*

Input

ModeClock

ModeIn

Output

Input

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VCC is OK

When asserted, this signal indicates to the RC4650 that the power supply has been above Vcc minimum

for more than 100 milliseconds and will remain stable. The assertion of VCCOk initiates the reading of the

boot-time mode control serial stream.

Cold reset

This signal must be asserted for a power on reset or a cold reset. ColdReset must be de-asserted syn-

chronously with MasterClock.

Reset

This signal must be asserted for any reset sequence. It may be asserted synchronously or asynchro-

nously for a cold reset, or synchronously to initiate a warm reset. Reset must be de-asserted synchro-

nously with MasterClock.

Boot mode clock

Serial boot-mode data clock output at the system clock frequency divided by two hundred and fifty six.

Boot mode data in

Serial boot-mode data input.

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Note: 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.

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57983

8139±8(

597983

6169±8(

597983

6169±8(

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VTERM

Terminal Voltage with respect to GND

–0.51 to +7.0

–0.51 to +4.6

TC

Operating Temperature(case)

0 to +85

0 to +85

TBIAS

Case Temperature Under Bias

–55 to +125

–55 to +125

TSTG

Storage Temperature

–55 to +125

–55 to +125

IIN

DC Input Current

202

202

IOUT

DC Output Current

503

503

1. VIN minimum = –2.0V for pulse width less than 15ns. VIN should not exceed VCC +0.5 Volts.

2. When VIN < 0V or VIN > VCC

3. Not more than one output should be shorted at a time. Duration of the short should not exceed 30 seconds.

–0.51 to +4.6

-40 to +85

–55 to +125

–55 to +125

202

503

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V

°C

°C

°C

mA

mA

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Commercial

Industrial

0°C to +85°C (Case)

-40°C + 85°C (Case)

57983

9&&

5.0V±5%

N/A

597983

9&&

3.3V±5%

3.3V±5%

12 of 25

March 28, 2000

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