参数资料
型号: W942516BH-75
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 0.75 ns, PDSO66
封装: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件页数: 19/45页
文件大小: 1340K
代理商: W942516BH-75
W942516BH
- 26 -
3. CAS Latency field (A6 to A4)
This field specifies the number of clock cycles from the assertion of the Read command to the first
data read. The minimum values of CAS Latency depends on the frequency of CLK.
A6
A5
A4
CAS Latency
0
Reserved
0
1
Reserved
0
1
0
2
0
1
Reserved
1
0
Reserved
1
0
1
Reserved
1
0
2.5
1
Reserved
4. DLL Reset bit (A8)
This bit is used to reset DLL. When the A8 bit is "1", DLL is reset.
5. Mode Register /Extended Mode register change bits (BS0, BS1)
These bits are used to select MRS/EMRS.
BS1 BS0
A12-A0
0
Regular MRS Cycle
0
1
Extended MRS Cycle
1
x
Reserved
6. Extended Mode Register field
1) DLL Switch field (A0)
This bit is used to select DLL enable or disable
A0
DLL
0
Enable
1
Disable
2) Output Driver Size Control field (A1)
This bit is used to select Output Driver Size, both Full strength and Half strength are based on
JEDEC standard.
A1
Output Driver
0
Full Strength
1
Half Strength
7. Reserved field
Test mode entry bit (A7)
This bit is used to enter Test mode and must be set to "0" for normal operation.
Reserved bits (A9, A10, A11, A12)
These bits are reserved for future operations. They must be set to "0" for normal operation.
相关PDF资料
PDF描述
W9464G2IB-4 512K X 32 DDR DRAM, 0.6 ns, PBGA144
WCMA2016U4X 128K x 16 STATIC RAM
WCMA2016U4X-FF70 128K x 16 STATIC RAM
WDPI-3425J3525J-12 3425 MHz(Tx), 3525 MHz(Rx), DUPLEXER
WE-256K8-150CM 256K X 8 EEPROM 5V, 150 ns, CDIP32
相关代理商/技术参数
参数描述
W942516CH 制造商:WINBOND 制造商全称:Winbond 功能描述:4M X 4 BANKS X 16 BIT DDR SDRAM
W9425G6DH 制造商:WINBOND 制造商全称:Winbond 功能描述:4M X 4 BANKS X 16 BITS DDR SDRAM
W9425G6EH 制造商:WINBOND 制造商全称:Winbond 功能描述:4 M 】 4 BANKS 】 16 BITS DDR SDRAM
W9425G6EH_0812 制造商:WINBOND 制造商全称:Winbond 功能描述:4 M × 4 BANKS × 16 BITS DDR SDRAM
W9425G6EH-5 功能描述:IC DDR-400 SDRAM 256MB 66TSSOPII RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C,2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC(0.173",4.40mm 宽) 供应商设备封装:8-MFP 包装:带卷 (TR)