mt46h8m16lfcf-75-it Micron Semiconductor Products, mt46h8m16lfcf-75-it Datasheet - Page 37
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mt46h8m16lfcf-75-it
Manufacturer Part Number
mt46h8m16lfcf-75-it
Description
128mb Mobile Ddr Sdram Mt46h4m32lfb5-6
Manufacturer
Micron Semiconductor Products
Datasheet
1.MT46H8M16LFCF-75-IT.pdf
(84 pages)
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Table 18:
PDF: 09005aef8331b3e9 / Source: 09005aef8331b3ce
ddr_mobile_sdram_cmd_op_timing_dia_fr5.08__3.fm - Rev. B 06/08 EN
CKE
H
H
H
H
H
H
L
L
L
L
L
L
L
L
n - 1
CKE
H
H
H
H
H
H
L
L
L
L
L
L
L
L
Truth Table – CKE
Notes: 1–4
n
Notes:
(Precharge) power-down
(Precharge) power-down
Active power-down
Active power-down
Deep power-down
Deep power-down
Current State
Bank(s) active
All banks idle
All banks idle
All banks idle
Self refresh
Self refresh
1. CKE
2. Current state is the state of the DDR SDRAM immediately prior to clock edge n.
3. COMMAND
4. All states and sequences not shown are illegal or reserved.
5. DESELECT or NOP commands should be issued on any clock edges occurring during the
6. Upon exiting deep power-down mode, a full DRAM initialization sequence is required.
7. The clock must toggle at least two times during the
edge.
COMMAND
or
t
XSR period.
n
is the logic state of CKE at clock edge n
n
n
.
is the command registered at clock edge n
See Table 17 on page 35
See Table 17 on page 35
BURST TERMINATE
DESELECT or NOP
DESELECT or NOP
DESELECT or NOP
DESELECT or NOP
DESELECT or NOP
DESELECT or NOP
AUTO REFRESH
COMMAND
X
X
X
X
37
n
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128Mb: x16, x32 Mobile DDR SDRAM
; CKE
Maintain (precharge) power-down
n - 1
(Precharge) power-down entry
Exit (precharge) power-down
Maintain active power-down
Maintain deep power-down
Active power-down entry
Deep power-down entry
Exit active power-down
was the state of CKE at the previous clock
Exit deep power-down
t
Maintain self refresh
XSR period.
, and ACTION
Self refresh entry
Exit self refresh
ACTION
©2007 Micron Technology, Inc. All rights reserved.
n
n
is a
result of
Operations
Preliminary
Notes
5, 7
5
6
t
XP
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