参数资料
型号: W9825G2DB-6
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 8M X 32 SYNCHRONOUS DRAM, 5 ns, PBGA90
封装: 8 X 13 MM, 0.80 MM PITCH, ROHS COMPLIANT, TFBGA-90
文件页数: 29/42页
文件大小: 916K
代理商: W9825G2DB-6
W9825G2DB
Publication Release Date: Jun. 24, 2009
- 35 -
Revision A8
11.15 Auto-precharge Timing (Read Cycle)
Read
AP
0
11
10
9
8
7
6
5
4
3
2
1
Q0
Read
AP
Act
Q1
Read
AP
Act
Q1
Q2
AP
Act
Read
Act
Q0
Q3
(1) CAS Latency=2
Read
Act
AP
When the Auto precharge command is asserted, the period from Bank Activate command to
the start of internal precgarging must be at least tRAS (min).
represents the Read with Auto precharge command.
represents the start of internal precharging.
represents the Bank Activate command.
Note:
tRP
( a ) burst length = 1
Command
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
tRP
Q0
Read
AP
Act
Q0
Read
AP
Act
Q1
Q0
Read
AP
Act
Q1
Q2
Q3
Read
AP
Act
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
(2) CAS Latency=3
tRP
( a ) burst length = 1
Command
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
相关PDF资料
PDF描述
W9825G6JH-6 16M X 16 SYNCHRONOUS DRAM, 5 ns, PDSO54
W9825G6JH-5 16M X 16 SYNCHRONOUS DRAM, 5 ns, PDSO54
W986416DH-6 4M X 16 SYNCHRONOUS DRAM, 5 ns, PDSO54
W986416EH-6 4M X 16 SYNCHRONOUS DRAM, 5 ns, PDSO54
W986432EH-5 2M X 32 SYNCHRONOUS DRAM, 4.5 ns, PDSO86
相关代理商/技术参数
参数描述
W9825G2JB 制造商:WINBOND 制造商全称:Winbond 功能描述:2M ? 4 BANKS ? 32BITS SDRAM
W9825G2JB-6 制造商:Winbond Electronics Corp 功能描述:DRAM Chip SDRAM 256M-Bit 8Mx32 3.3V 90-Pin TFBGA 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 256MBIT 166MHZ 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 256MBIT 166MHZ 90TFBGA
W9825G2JB-6I 制造商:Winbond Electronics Corp 功能描述:DRAM Chip SDRAM 256M-Bit 8Mx32 3.3V 90-Pin TFBGA 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 256MBIT 166MHZ 90TFBGA
W9825G2JB-75 制造商:Winbond Electronics Corp 功能描述:DRAM Chip SDRAM 256M-Bit 8Mx32 3.3V 90-Pin TFBGA 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 256MBIT 133MHZ 90TFBGA
W9825G6CH-75 制造商:Winbond Electronics Corp 功能描述:16*16bit SDRAM