W3H32M64EA-XSBX
ADVANCED
FIGURE 12 – WRITE COMMAND
CK#
CK
CKE HIGH
CS#
RAS#
CAS#
WE#
CA
ADDRESS
EN AP
A10
DIS AP
BANK ADDRESS
BA
Note: CA = column address; BA = bank address; EN AP = enable auto precharge; and
DIS AP = disable auto precharge.
DON’T CARE
TABLE 4 – WRITE USING CONCURRENT AUTO PRECHARGE
Minimum Delay (With Concurrent Auto
From Command (Bank n)
To Command (Bank m)
Units
Precharge)
READ OR READ w/AP
WRITE or WRITE w/AP
PRECHARGE or ACTIVE
(CL-1) + (BL/2) + tWTR
tCK
tCK
tCK
WRITE with Auto Precharge
(BL/2)
1
Microsemi Corporation reserves the right to change products or specifications without notice.
August 2011 © 2011 Microsemi Corporation. All rights reserved.
Rev.1
18
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MERCURY [ MERCURY UNITED ELECTRONICS INC ]
