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| 型号： | W9425G6JB-5 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | DRAM |
| 英文描述： | DDR DRAM, PBGA60 |
| 封装： | 8 X 13 MM, ROHS COMPLIANT, TFBGA-60 |
| 文件页数： | 24/50页 |
| 文件大小： | 852K |
| 代理商： | W9425G6JB-5 |
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W9425G6JB
Publication Release Date: Oct. 08, 2010
- 30 -
Revision A01
10.6 System Notes:
a. Pullup slew rate is characterized under the test conditions as shown in Figure 1.
VSSQ
50 Ω
Output
Test point
Figure 1: Pullup slew rate test load
b. Pulldown slew rate is measured under the test conditions shown in Figure 2.
VDDQ
50 Ω
Output
Test point
Figure 2: Pulldown slew rate test load
c. Pullup slew rate is measured between (VDDQ/2 - 320 mV ± 250 mV)
Pulldown slew rate is measured between (VDDQ/2 + 320 mV ± 250 mV)
Pullup and Pulldown slew rate conditions are to be met for any pattern of data, including all outputs
switching and only one output switching.
Example: For typical slew rate, DQ0 is switching
For minimum slew rate, all DQ bits are switching worst case pattern
For maximum slew rate, only one DQ is switching from either high to low, or low to high
The remaining DQ bits remain the same as for previous state
d. Evaluation conditions
Typical:
25
oC (T Ambient), VDDQ = nominal, typical process
Minimum:
70
oC (T Ambient), VDDQ = minimum, slow-slow process
Maximum:
0
oC (T Ambient), VDDQ = maximum, fast-fast process
e. Verified under typical conditions for qualification purposes.
f. TSOP II package devices only.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W9425G6JB-5 TR | 制造商:Winbond Electronics Corp 功能描述:256M DDR SDRAM X16, 200MHZ |
| W9425G6JB-5I | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY |
| W9425G6JB-5I TR | 制造商:Winbond Electronics Corp 功能描述:256M DDR SDRAM X16, 200MHZ, IN |
| W9425G6JH | 制造商:WINBOND 制造商全称:Winbond 功能描述:4 M × 4 BANKS × 16 BITS DDR SDRAM |
| W9425G6JH-4 | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 66-Pin TSOP-II 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY 制造商:Winbond 功能描述:16MX16,256MB DDR,250MHZ,2.5V , TSOP 66PIN GREEN |
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