is42g32256 ETC-unknow, is42g32256 Datasheet - Page 49

• Manufacturer Part Number: is42g32256
• Description: 256k 16-mbit Synchronous Graphics
• Manufacturer: ETC-unknow

IS42G32256
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION SR037-0C
09/10/98
A0-A8
DQM
RAS
CAS
CKE
CLK
DSF
A10
WE
DQ
CS
A9
Notes:
1. All banks should be in idle state prior to entering precharge power down mode.
2. CKE should be set high at least “1CLK + t
3. Cannot violate minimum refresh specification (32 ms).
0
Figure 34. Active/Precharge Power Down Mode at
POWER-DOWN
PRECHARGE
1
ENTRY
NOTE 1
2
t
SS
NOTE 3
3
NOTE 2
4
t
SS
POWER-DOWN
PRECHARGE
5
EXIT
6
t
ACTIVE
SS
ROW
Ra
Ra
SS
7
POWER-
” prior to Row active command.
ACTIVE
ENTRY
DOWN
8
9
10
POWER-
ACTIVE
DOWN
EXIT
11
CAS
CAS
CAS
CAS
CAS
t
SS
READ
Ca
12
Latency = 2, Burst Length = 4
13
Qa0
14
PRECHARGE
Qa1
15
Qa2
16
17
18
: DON’T CARE
ISSI
19
49
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