14/18

¡ Semiconductor

MSM82C84A-2RS/GS/JS

3-2) AC Charasteristics

1) MSM82C84A and MSM82C84A-2

As shown above, the MSM82C84A-2 satisfies the characteristics (except for Input Rise/Fall Time)

of the MSM82C84A.

1) MSM82C84A-5 and MSM82C84A-2

As shown above, the MSM82C84A-2 satisfies the characteristics of the MSM82C84A-5.

Parameter

Symbol

MSM82C84A-5

MSM82C84A-2

EFI High Time

20 ns minimum

13 ns minimum

EFI Low Time

20 ns minimum

17 ns minimum

—

Crystal Frequency

15 MHz maximum

24 MHz maximum

CLK Period

200 ns minimum

125 ns minimum

EFI Period

66 ns minimum

36 ns minimum

Parameter

Symbol

MSM82C84A

MSM82C84A-2

Input Rise Time

20 ns maximum

15 ns maximum

Input Fall Time

20 ns maximum

15 ns maximum

CLK Low Time

119 ns minimum

CLK Rise/Fall Time

15 ns maximum

10 ns maximum

PCLK High Time

180 ns minimum

READY Falling to CLK Rising

114 ns minimum

PCLK Low Time

180 ns minimum

CLK High Time

65 ns minimum