YGV629

4GV629A50

・

RAHZ_N

MA[24:0], MD[15:0], MCE_N,

MOE_N,MWE_N

RAHZ_N

12

12

The AC characteristics of the external memory, which connects to the VC1 must meet the following

conditions. (The following conditions are the value, which are converted from the AC characteristics, and does

not guarantee the following specification directly. And, the following name of the items is for the external

memory connected. And, the following item names are mainly for the external memory connected.)

F in the following formula means the number of the Floating Clock that is set by R#23:FLTIM[1:0], and R

means the number of the Random Access Clock that is set by R#24:RDM[3:0], and P means the number of the

Page Mode Access Clock that is set by R#24:PAG[2:0]. Therefore, if a condition does not meet the following

condition, set so that the register meets the following conditions.

No.

Items

Conditions

13

Address, Access Time

14

Output Enable Time

15

Page Mode Access Time

16

Data Turn On Time

It should be 0[ns] or over

17

Data Turn Off Time

18

Data Setup Time

MA24-n

MA(n-1)-0

MOE_N

MWE_N

MD15-0

13

17

16

8

15

7

8

9

14

10

18