MSM82C37B-5GS 查看數據表（PDF） - Oki Electric Industry

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MSM82C37B-5GS

PROGRAMMABLE DMA CONTROLLER

Oki Electric Industry 

¡ Semiconductor

MSM82C37B-5RS/GS/VJS

AC CHARACTERISTICS

DMA (Master) Mode

Symbol

tAEL

tAET

tAFAB

tAFC

tAFDB

tAHR

tAHS

tAHW

tAK

tASM

tASS

tCH

tCL

tCY

Item

Delay Time from CLK Falling Edge

up to AEN Leading Edge

Delay Time from CLK Rising Edge

up to AEN Trailing Edge

Delay Time from CLK Rising Edge

up to Address Floating Status

Delay Time from CLK Rising Edge

up to Read/Write Signal Floating Status

Delay Time from CLK Rising Edge

up to Data Bus Floating Status

Address Valid Hold Time

to Read Signal Trailing Edge

Data Valid Hold Time

to ADSTB Trailing Edge

Address Valid Hold Time

to Write Signal Trailing Edge

Delay Time from CLK Falling Edge

up to Active DACK

Delay Time from CLK Rising Edge

up to EOP Leading Edge

Delay Time from CLK Rising Edge

up to EOP Trailing Edge

Time from CLK Rising Edge

up to Address Valid

Data Set-up Time to ADSTB Trailing Edge

Clock High-level Time

Clock Low-level Time

CLK Cycle Time

Min.

—

—

—

—

—

tCY – 100

30

tCY – 50

—

—

—

—

100

68

68

200

(Ta = –40 to +85°C, VCC = 4.5 to 5.5 V)

Max.

Unit

Comments

200

ns

—

130

ns

—

90

ns

—

120

ns

—

170

ns

—

—

ns

—

—

ns

—

—

ns

—

170

ns

(Note 3)

170

ns

(Note 5)

170

ns

—

170

ns

—

ns

—

ns

—

ns

—

ns

—

—

(Note 6)

(Note 6)

—

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