ADMC401 データシートの表示（PDF） - Analog Devices

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ADMC401

Single-Chip, DSP-Based High Performance Motor Controller

Analog Devices 

ADMC401

ABSOLUTE MAXIMUM RATINGS*

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

Input Voltage . . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Output Voltage Swing . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Operating Temperature Range (Ambient) . . . . –40°C to +85°C

Storage Temperature Range . . . . . . . . . . . . . –65°C to +150°C

Lead Temperature (5 sec) . . . . . . . . . . . . . . . . . . . . . . +280°C

*Stresses above those listed under absolute maximum ratings may cause permanent

damage to the device. These are stresses only; functional operation of the device

at these or any other conditions above those indicated in the operational section of

this specification is not implied. Exposure to absolute maximum rating conditions

for extended periods may affect device reliability.

Model

ADMC401BST

ADMC401-ADVEVALKIT

ADMC401-PB

Temperature

Range

–40°C to +85°C

ORDERING GUIDE

Instruction

Rate

26 MHz

Package

Description

144-Lead Plastic Thin Quad Flatpack (LQFP)

Development Tool Kit

Evaluation/Processor Board

Package

Option

ST-144

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the ADMC401 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD

precautions are recommended to avoid performance degradation or loss of functionality.

WARNING!

ESD SENSITIVE DEVICE

Timing Parameters

GENERAL NOTES

Use the exact timing information given. Do not attempt to

derive parameters from the addition or subtraction of others.

While addition or subtraction would yield meaningful results for

an individual device, the values given in this data sheet reflect

statistical variations and worst cases. Consequently, you cannot

meaningfully add up parameters to derive longer times.

TIMING NOTES

Switching characteristics specify how the processor changes its

signals. You have no control over this timing; it is dependent on

the internal design. Timing requirements apply to signals that

are controlled outside the processor, such as the data input for a

read operation.

Timing requirements guarantee that the processor operates

correctly with another device. Switching characteristics tell you

what the device will do under a given circumstance. Also, use

the switching characteristics to ensure any timing requirement

of a device connected to the processor (such as memory) is

satisfied.

MEMORY REQUIREMENTS

This chart links common memory device specification names

and ADMC401 timing parameters for your convenience.

Parameter

Name

tASW

tAW

tWRA

tDW

tDH

tRDD

tAA

Function

Common

Memory Device

Specification Name

A0–A13, DMS, PMS

Address Setup to

Setup before WR Low

Write Start

A0–A13, DMS, PMS

Address Setup to

before WR Deasserted

Write End

A0–A13, DMS, PMS

Address Hold Time

Hold after WR Deasserted

Data Setup before WR High Data Setup Time

Data Hold after WR High Data Hold Time

RD Low to Data Valid

OE to Data Valid

A0–A13, DMS, PMS,

Address Access Time

BMS to Data Valid

–4–

REV. B

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