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W25P022AD-7 PDF预览

W25P022AD-7

更新时间: 2024-11-14 22:11:27
品牌 Logo 应用领域
华邦 - WINBOND /
页数 文件大小 规格书
17页 310K
描述
64K X 32 BURST PIPELINED HIGH-SPEED CMOS STATIC RAM

W25P022AD-7 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:MO-136, TQFP-100
针数:100Reach Compliance Code:not_compliant
ECCN代码:3A991.B.2.AHTS代码:8542.32.00.41
风险等级:5.92最长访问时间:7 ns
I/O 类型:COMMONJESD-30 代码:R-PQFP-G100
JESD-609代码:e0长度:20 mm
内存密度:2097152 bit内存集成电路类型:STANDARD SRAM
内存宽度:32功能数量:1
端子数量:100字数:65536 words
字数代码:64000工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:64KX32输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装等效代码:QFP100,.63X.87封装形状:RECTANGULAR
封装形式:FLATPACK, LOW PROFILE并行/串行:PARALLEL
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3 V
认证状态:Not Qualified座面最大高度:1.6 mm
最大待机电流:0.005 A最小待机电流:3.15 V
子类别:SRAMs最大压摆率:0.25 mA
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):3.15 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:14 mm
Base Number Matches:1

W25P022AD-7 数据手册

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W25P022A  
64K ´ 32 BURST PIPELINED HIGH-SPEED  
CMOS STATIC RAM  
GENERAL DESCRIPTION  
The W25P022A is a high-speed, low-power, synchronous-burst pipelined CMOS static RAM  
organized as 65,536 ´ 32 bits that operates on a single 3.3-volt power supply. A built-in two-bit burst  
address counter supports both Pentiumä burst mode and linear burst mode. The mode to be  
executed is controlled by the LBO pin. Pipelining or non-pipelining of the data outputs is controlled by  
the FT pin. A snooze mode reduces power dissipation.  
The W25P022A supports both 2T/2T mode and 2T/1T mode, which can be selected by pin 42. The  
default mode is 2T/1T, with pin 42 low. To switch to 2T/2T mode, bias pin 42 to VDDQ. The state of  
pin 42 should not be changed after power up. The 2T/2T mode will sustain one cycle of valid data  
output in a burst read cycle when the device is deselected by CE2/CE3 . This mode supports 3-1-1-1-  
1-1-1-1 in a two-bank, back-to-back burst read cycle. On the other hand, the 2T/1T mode disables  
data output within one cycle in a burst read cycle when the device is deselected by CE2/CE3 . In this  
mode, the device supports only 3-1-1-1-2-1-1-1 in a two-bank, back-to-back burst read cycle.  
FEATURES  
· Synchronous operation  
· High-speed access time: 6/7 nS (max.)  
· Single +3.3V power supply  
· Individual byte write capability  
· 3.3V LVTTL compatible I/O  
· Clock-controlled and registered input  
· Asynchronous output enable  
· Pipelined/non-pipelined data output capability  
· Supports snooze mode (low-power state)  
· Internal burst counter supports Intel burst mode  
& linear burst mode  
· Supports both 2T/2T & 2T/1T mode  
· Packaged in 100-pin QFP or TQFP  
BLOCK DIAGRAM  
INPUT  
A(15:0)  
REGISTER  
64K X 32  
CORE  
ARRAY  
CLK  
CE(3:1)  
GW  
BWE  
CONTROL  
LOGIC  
BW(4:1)  
DATA I/O  
I/O(32:1)  
REGISTE  
R
REGISTER  
OE  
ADSC  
ADSP  
ADV  
LBO  
FT  
ZZ  
MS  
Publication Release Date: September 1996  
- 1 -  
Revision A1  

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