hyb18m1g16 Qimonda, hyb18m1g16 Datasheet - Page 20

• Manufacturer Part Number: hyb18m1g16
• Description: Drams For Mobile Applications 1-gbit X16 Ddr Mobile-ram Rohs Compliant
• Manufacturer: Qimonda

2.4.3
The Mode Register and Extended Mode Register are loaded
via inputs A0 - A12 (see mode register descriptions in
Chapter
only be issued when all banks are idle and no bursts are in
progress. A subsequent executable command cannot be
issued until
Rev.1.0, 2007-03
10242006-Y557-TZXW
Parameter
MODE REGISTER SET command period
2.2). The MODE REGISTER SET command can
t
MRD
is met.
MODE REGISTER SET
Command
Address
Code = Mode Register / Extended Mode Register selection
CK
CK
(BA0, BA1) and op-code (A0 - A12)
Code
MRS
20
t
Timing Parameters for Mode Register Set Command
MRD
t
Symbol
MRD
NOP
2
min.
BA0,BA1
A0-A12
- 6
Valid
Valid
= Don't Care
CKE
RAS
CAS
–
WE
CK
CK
CS
max.
Mode Register Set Command
(High)
2
= Don't Care
min.
Mode Register Definition
Code
Code
HY[B/E]18M1G16[0/1]BF
1-Gbit DDR Mobile-RAM
- 7.5
–
max.
FIGURE 8
FIGURE 9
TABLE 9
Unit
t
CK
Data Sheet
Note
–