M80C85 データシートの表示（PDF） - Oki Electric Industry

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M80C85

CMOS PROGRAMMABLE INTERVAL TIMER

Oki Electric Industry 

¡ Semiconductor

MSM82C53-2RS/GS/JS

Differences between MSM82C53-5 and MSM82C53-2

1) Manufacturing Process

These devices use a 3 m Si-Gate CMOS process technology and have the same chip size.

2) Function

These devices have the same logics except for changes in AC characteristics listed in (3-2).

3) Electrical Characteristics

3-1) DC Characteristics

Parameter

Average Operating Current

Symbol

ICC

MSM82C53-5

5 mA maximum

(tCLK=200 ns)

MSM82C53-2

8 mA maximum

(tCLK=125 ns)

As shown above, the characteristics of these devices are identical under the same test condition. The

MSM82C53-2 satisfies the characteristics of the MSM82C53-5.

3-2) AC Characteristics

Parameter

Address Hold Time After Write

Data Input Hold Time After Write

Clock Cycle Time

Symbol

tWA

tWD

tCLK

MSM82C53-5

30 ns minimum

30 ns minimum

200 ns minimum

MSM82C53-2

20 ns minimum

20 ns minimum

125 ns minimum

As shown above, the MSM82C53-2 satisfies the characteristics of the MSM82C53-5.

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