參數(shù)資料
型號: IS42G32256-10PQ
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, 7 ns, PQFP100
封裝: 14 X 20 MM , PLASTIC, QFP-100
文件頁數(shù): 47/52頁
文件大?。?/td> 456K
代理商: IS42G32256-10PQ
IS42G32256
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION
SR037-0C
09/10/98
47
ISSI
Figure 32. Burst Read Single Bit Write Cycle at Burst Length = 2, BRSW
Notes:
1. BRSW mode is enabled by setting A9 “High” at MRS (Mode Register Set). At the BRSW Mode, the burst length at
write is fixed to “1” regardless of programmed burst length.
2. When BRSW write command with auto precharge is executed, keep it in mind that t
RAS
should not be violated. Auto
precharge is executed at the burst-end cycle, so in the case of BRSW write command. The next cycle is also starts
the precharge.
3. WPB function is also possible at BRSW mode.
CLK
CKE
CS
RAS
CAS
A0-A8
WE
DSF
DQM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
RAa
CAa
RBb
CAb
RAb
CBc
CAd
A10
A9
HIGH
ROW ACTIVE
(A-BANK)
ROW ACTIVE
(A-BANK)
ROW ACTIVE
(B-BANK)
WRITE WITH
AUTO PRECHARGE
(B-BANK)
READ WITH
AUTO PRECHARGE
(A-BANK)
WRITE
(A-BANK)
READ
(A-BANK)
PRECHARGE
(A-BANK)
: DON’T CARE
DQ: CLOCK
LATENCY = 2
DQ: CLOCK
LATENCY = 3
DBc0
DAd0 DAd1
DAb0 DAb1
QAa0
DAd0 DAd1
DAb1
DBc0
QAa0
DAb0
RAa
NOTE 2
RAc
RBb
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IS42G32256-7PQ 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM
IS42G32256-8PQ 制造商:Integrated Silicon Solution Inc 功能描述:
IS42K 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC
IS42KS 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC
IS42L 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC