MSM82C51A Просмотр технического описания (PDF) - Oki Electric Industry

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MSM82C51A

UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER

Oki Electric Industry 

¡ Semiconductor

AC CHARACTERISTICS

CPU Bus Interface Part

Parameter

Address Stable before RD

Address Hold Time for RD

RD Pulse Width

Data Delay from RD

RD to Data Float

Recovery Time between RD

Address Stable before WR

Address Hold Time for WR

WR Pulse Width

Data Set-up Time for WR

Data Hold Time for WR

Recovery Time between WR

RESET Pulse Width

MSM82C51A-2RS/GS/JS

Symbol

tAR

tRA

tRR

tRD

tDF

tRVR

tAW

tWA

tWW

tDW

tWD

tRVW

tRESW

Min.

20

20

130

—

10

6

20

20

100

100

0

6

6

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

Max. Unit

—

ns

—

ns

Remarks

Note 2

Note 2

—

ns

—

100

ns

—

75

ns

—

tCY

—

ns

—

Note 5

Note 2

—

ns

Note 2

—

ns

—

—

ns

—

—

ns

—

—

tCY

—

tCY

Note 4

—

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