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參數(shù)資料
| 型號： | W9751G6JB-25A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 16 DDR DRAM, 0.4 ns, PBGA84 |
| 封裝： | 12.50 X 8 MM, ROHS COMPLIANT, WBGA-84 |
| 文件頁數(shù)： | 34/86頁 |
| 文件大?。?/td> | 1030K |
| 代理商： | W9751G6JB-25A |
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W9751G6JB
Publication Release Date: Mar. 10, 2010
- 4 -
Revision A02
1. GENERAL DESCRIPTION
The W9751G6JB is a 512M bits DDR2 SDRAM, organized as 8,388,608 words
× 4 banks × 16 bits.
This device achieves high speed transfer rates up to 1066Mb/sec/pin (DDR2-1066) for general
applications. W9751G6JB is sorted into the following speed grades: -18, -25, 25I, 25A and -3. The -18
is compliant to the DDR2-1066 (7-7-7) specification. The -25/25I/25A are compliant to the DDR2-800
(5-5-5) or DDR2-800 (6-6-6) specification (the 25I industrial grade and 25A automotive grade which is
guaranteed to support -40°C ≤ TCASE ≤ 95°C). The -3 is compliant to the DDR2-667 (5-5-5)
specification.
All of the control and address inputs are synchronized with a pair of externally supplied differential
clocks. Inputs are latched at the cross point of differential clocks (CLK rising and CLK falling). All
I/Os are synchronized with a single ended DQS or differential DQS- DQS pair in a source
synchronous fashion.
2. FEATURES
Power Supply: VDD, VDDQ = 1.8 V
± 0.1 V
Double Data Rate architecture: two data transfers per clock cycle
CAS Latency: 3, 4, 5, 6 and 7
Burst Length: 4 and 8
Bi-directional, differential data strobes (DQS and DQS ) are transmitted / received with data
Edge-aligned with Read data and center-aligned with Write data
DLL aligns DQ and DQS transitions with clock
Differential clock inputs (CLK and CLK )
Data masks (DM) for write data
Commands entered on each positive CLK edge, data and data mask are referenced to both edges
of DQS
Posted CAS programmable additive latency supported to make command and data bus efficiency
Read Latency = Additive Latency plus CAS Latency (RL = AL + CL)
Off-Chip-Driver impedance adjustment (OCD) and On-Die-Termination (ODT) for better signal
quality
Auto-precharge operation for read and write bursts
Auto Refresh and Self Refresh modes
Precharged Power Down and Active Power Down
Write Data Mask
Write Latency = Read Latency - 1 (WL = RL - 1)
Interface: SSTL_18
Packaged in WBGA 84 Ball (8X12.5 mm
2), using Lead free materials with RoHS compliant
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W9751G8JB-18 | DDR DRAM, PBGA84 |
| W9812G21H-6I | 4M X 32 SYNCHRONOUS DRAM, 5 ns, PDSO86 |
| W9812G21H-6C | 4M X 32 SYNCHRONOUS DRAM, 4.5 ns, PDSO86 |
| W9812G6JH-6 | 8M X 16 SYNCHRONOUS DRAM, 5 ns, PDSO54 |
| W986416AH-10 | 4M X 16 SYNCHRONOUS DRAM, 8 ns, PDSO54 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W9751G6JB-3 | 制造商:Winbond Electronics Corp 功能描述:512MB DDRII |
| W9751G6KB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M ? 4 BANKS ? 16 BIT DDR2 SDRAM |
| W9751G6KB-18 | 制造商:Winbond Electronics Corp 功能描述:IC MEMORY |
| W9751G6KB-25 | 功能描述:IC DDR2 SDRAM 512MBIT 84WBGA RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 格式 - 存儲器:閃存 存儲器類型:閃存 - NAND 存儲容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6 |
| W9751G6KB25A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Double Data Rate architecture: two data transfers per clock cycle |
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