參數(shù)資料
型號: IS42G32256-8PQ
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM
中文描述: 512K X 32 SYNCHRONOUS GRAPHICS RAM, 6.5 ns, PQFP100
封裝: 14 X 20 MM , PLASTIC, QFP-100
文件頁數(shù): 39/52頁
文件大?。?/td> 456K
代理商: IS42G32256-8PQ
IS42G32256
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION
SR037-0C
09/10/98
39
ISSI
Figure 23. SMRS and Block/Normal Write at Burst Length = 4
Note:
1. At the next clock of special mode register set command, new command is possible.
CLK
CKE
CS
RAS
CAS
A0-A2
WE
DSF
DQM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
RAa
RBa
CBa
RAa
RBa
CAa
CBa
CAa
A3,A4,
A7,A8
A5
CBa
HIGH
NOTE 1
LOAD
COLOR
REGISTER
LOAD
COLOR
REGISTER
LOAD
MASK
REGISTER
MASK WRITE
WITH AUTO
PRECHARGE
(B-BANK)
LOAD
MASK
REGISTER
ROW ACTIVE
WITH
WRITE-PER-BIT
ENABLE
(A-BANK)
ROW ACTIVE
WITH
WRITE-PER-BIT
ENABLE
(B-BANK)
MASKED
BLOCK
WRITE
(A-BANK)
: DON’T CARE
DQ
Color
I/O
Mask
Pixel
Mask
Pixel
Mask
Color
DBa0
DBa1 DBa2
DBa3
RAa
RAa
CAa
A6
CBa
RAa
RAa
RAa
A9
RBa
A9
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IS42G32256 256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM
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