MT46V16M8TG-8L MICRON [Micron Technology], MT46V16M8TG-8L Datasheet - Page 41

• Manufacturer Part Number: MT46V16M8TG-8L
• Description: DOUBLE DATA RATE DDR SDRAM
• Manufacturer: MICRON [Micron Technology]

TRUTH TABLE 4 – CURRENT STATE BANK n – COMMAND TO BANK m
(Notes: 1-6; notes appear below and on next page)
NOTE:
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65 – Rev. C; Pub. 4/01
CURRENT STATE CS# RAS# CAS# WE#
1. This table applies when CKE
2. This table describes alternate bank operation, except where noted (i.e., the current state is for bank n and
Precharging
(With Auto-
(With Auto-
Activating,
Precharge)
Precharge)
Precharge
Precharge
Disabled)
Disabled)
Active, or
met (if the previous state was self refresh).
the commands shown are those allowed to be issued to bank m, assuming that bank m is in such a state
that the given command is allowable). Exceptions are covered in the notes below.
(Notes continue on next page)
(Auto-
(Auto-
Write
Write
Read
Read
Row
Any
Idle
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
n-1
was HIGH and CKE
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
ACTIVE (select and activate row)
ACTIVE (select and activate row)
COMMAND/ACTION
DESELECT (NOP/continue previous operation)
NO OPERATION (NOP/continue previous operation)
Any Command Otherwise Allowed to Bank m
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start new READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
READ (select column and start READ burst)
WRITE (select column and start new WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start new READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
READ (select column and start READ burst)
WRITE (select column and start new WRITE burst)
PRECHARGE
n
41
is HIGH (see Truth Table 2) and after
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128Mb: x4, x8, x16
DDR SDRAM
t
XSNR has been
PRELIMINARY
©2001, Micron Technology, Inc.
7, 9, 3a
NOTES
7, 3a
7, 3a
7, 3a
7, 9
7,8
7
7
7
7