MT41J64M16JT-15E AIT:G Micron, MT41J64M16JT-15E AIT:G Datasheet - Page 104

• Manufacturer Part Number: MT41J64M16JT-15E AIT:G
• Description: DRAM Chip DDR3 SDRAM 1G-Bit 64Mx16 1.5V 96-Pin FBGA
• Manufacturer: Micron

Table 65: Truth Table – CKE
Notes 1–2 apply to the entire table; see Table 64 (page 102) for additional command details
PDF: 09005aef84491df3
1Gb_AIT_AAT_DDR3_SDRAM.pdf – Rev. C 8/11 EN
Current State
Power-down
Self refresh
Bank(s) active
Reading
Writing
Precharging
Refreshing
All banks idle
3
Previous Cycle
Notes:
(n - 1)
H
H
H
H
H
H
H
L
L
L
L
1. All states and sequences not shown are illegal or reserved unless explicitly described
2.
3. Current state = The state of the DRAM immediately prior to clock edge n.
4. CKE (n) is the logic state of CKE at clock edge n; CKE (n - 1) was the state of CKE at the
5. COMMAND is the command registered at the clock edge (must be a legal command as
6. Idle state = All banks are closed, no data bursts are in progress, CKE is HIGH, and all tim-
CKE
elsewhere in this document.
t
CKE must remain at the valid input level the entire time it takes to achieve the required
number of registration clocks. Thus, after any CKE transition, CKE may not transition
from its valid level during the time period of
previous clock edge.
defined in Table 64 (page 102)). Action is a result of COMMAND. ODT does not affect
the states described in this table and is not listed.
ings from previous operations are satisfied. All self refresh exit and power-down exit pa-
rameters are also satisfied.
4
CKE (MIN) means CKE must be registered at multiple consecutive positive clock edges.
Present Cycle
(n)
H
H
L
L
L
L
L
L
L
L
L
4
(RAS#, CAS#, WE#, CS#)
104
“Don’t Care”
“Don’t Care”
Command
DES or NOP
DES or NOP
DES or NOP
DES or NOP
DES or NOP
DES or NOP
DES or NOP
DES or NOP
REFRESH
1Gb: x8, x16 Automotive DDR3 SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
5
t
IS +
Precharge power-down entry
Precharge power-down entry
t
Active power-down entry
CKE (MIN) +
Commands – Truth Tables
Maintain power-down
Maintain self refresh
Power-down entry
Power-down entry
Power-down entry
Power-down exit
Self refresh exit
Self refresh
Action
‹ 2010 Micron Technology, Inc. All rights reserved.
t
IH.
5
Notes
6