參數(shù)資料
型號(hào): 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(yè)數(shù): 17/52頁(yè)
文件大?。?/td> 456K
代理商: IS42G32256-8PQ
IS42G32256
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION
SR037-0C
09/10/98
17
ISSI
Figure 8. Write Interrupted by Precharge and DQM
Notes
:
1. To Inhibit invalid write, DQM should be issued.
2. This precharge command and burst write command should be of the same bank, otherwise it is not precharge
interrupt but only another bank precharge of dual banks operation.
COMMAND
CLK
DQM
DQ
WR
MASKED BY DQM
WR
D0
D1
D2
D3
(NOTE 2)
(NOTE 1)
COMMAND
CLK
DQ
1. NORMAL WRITE (BURST LENGTH = 4)
WR
PRE
D0
D1
D2
D3
t
RDL
(NOTE 1)
COMMAND
CLK
DQ (CLOCK
LATENCY = 2
DQ (CLOCK
LATENCY = 3
3. READ (BURST LENGTH = 4)
WR
PRE
Q0
Q1
Q2
Q3
(NOTE 2)
1
Q0
Q1
Q2
Q3
2
2. BLOCK WRITE
BW
PRE
PIXEL
t
BPL
(NOTE 1)
Figure 9. Precharge
Notes
:
1. t
RDL
: Write data-in to PRE command delay, t
BPL
: Block Write data-in to PRE command delay.
2. Number of valid output data after row precharge: 1, 2 for CAS, Latency = 2, 3 respectively.
相關(guān)PDF資料
PDF描述
IS42G32256 256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM
IS42S16100C1 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S16100C1-5T 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S16100C1-5TL 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S16100C1-6T 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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
IS42LS16800A 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42LS16800A-10B 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM