mt48h16m32lfcm-75-it Micron Semiconductor Products, mt48h16m32lfcm-75-it Datasheet - Page 28

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mt48h16m32lfcm-75-it

Manufacturer Part Number
mt48h16m32lfcm-75-it
Description
512mb 32 Meg X 16, 16 Meg X 32 Mobile Sdram Features
Manufacturer
Micron Semiconductor Products
Datasheet
Figure 11:
PRECHARGE
PDF: 09005aef82ea3742/Source: 09005aef82ea3752
sdr_mobile_sdram_cmd_op_timing_dia_fr4.08__4.fm - Rev. B 4/08 EN
WRITE Command
Notes:
1. EN AP = enable auto precharge, DIS AP = disable auto precharge
The PRECHARGE command is used to deactivate the open row in a particular bank or
the open row in all banks. The bank(s) will be available for a subsequent row access a
specified time (
whether one or all banks are to be precharged, and in the case where only one bank is to
be precharged, inputs BA0, BA1 select the bank. Otherwise BA0, BA1 are treated as
“Don’t Care.” After a bank has been precharged, it is in the idle state and must be acti-
vated prior to any READ or WRITE commands being issued to that bank. Figure 12 on
page 29 shows the PRECHARGE command.
BA0, BA1
Address
RAS#
CAS#
WE#
A10
CLK
CKE
CS#
1
HIGH
Valid address
t
RP) after the precharge command is issued. Input A10 determines
Column
address
address
DIS AP
EN AP
Bank
28
Don’t Care
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2007 Micron Technology, Inc. All rights reserved.
SDR Mobile SDRAM
Commands

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