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W39L020P-70Z PDF预览

W39L020P-70Z

更新时间: 2024-11-24 13:15:35
品牌 Logo 应用领域
华邦 - WINBOND 闪存存储内存集成电路
页数 文件大小 规格书
26页 344K
描述
Flash, 256KX8, 70ns, PQCC32, LEAD FREE, PLASTIC, LCC-32

W39L020P-70Z 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFJ包装说明:LEAD FREE, PLASTIC, LCC-32
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.84最长访问时间:70 ns
启动块:BOTTOM/TOPJESD-30 代码:R-PQCC-J32
JESD-609代码:e3长度:13.97 mm
内存密度:2097152 bit内存集成电路类型:FLASH
内存宽度:8功能数量:1
端子数量:32字数:262144 words
字数代码:256000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:256KX8封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装形状:RECTANGULAR
封装形式:CHIP CARRIER并行/串行:PARALLEL
峰值回流温度(摄氏度):245编程电压:3.3 V
认证状态:Not Qualified座面最大高度:3.56 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):3 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:MATTE TIN端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40类型:NOR TYPE
宽度:11.43 mmBase Number Matches:1

W39L020P-70Z 数据手册

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W39L020  
256K × 8 CMOS FLASH MEMORY  
1. GENERAL DESCRIPTION  
The W39L020 is a 2Mbit, 3.3-volt only CMOS flash memory organized as 256K × 8 bits. For flexible  
erase capability, the 2Mbits of data are divided into 4 uniform sectors of 64 Kbytes, which are  
composed of 16 smaller even pages with 4 Kbytes. The byte-wide (× 8) data appears on DQ7 DQ0.  
The device can be programmed and erased in-system with a standard 3.3V power supply. A 12-volt  
VPP is not required. The unique cell architecture of the W39L020 results in fast program/erase  
operations with extremely low current consumption (compared to other comparable 3.3-volt flash  
memory products). The device can also be programmed and erased by using standard EPROM  
programmers.  
2. FEATURES  
Single 3.3-volt operations  
3.3-volt Read  
3.3-volt Erase  
Hardware protection:  
Optional 16K byte or 64K byte Top/Bottom  
Boot Block with lockout protection  
Flexible 4K-page size can be used as  
3.3-volt Program  
Parameter Blocks  
Fast Program operation:  
Byte-by-Byte programming: 50 µS (max.)  
Fast Erase operation:  
Chip Erase cycle time: 100 mS (max.)  
Sector Erase cycle time: 25mS (max.)  
Page Erase cycle time: 25mS (max.)  
Read access time: 70/90 nS  
Typical program/erase cycles: 1K/10K  
Twenty-year data retention  
Low power consumption  
Active current: 10 mA (typ.)  
Standby current: 5 µA (typ.)  
End of program detection  
Software method: Toggle bit/Data polling  
TTL compatible I/O  
4 Even sectors with 64K bytes each, which is  
composed of 16 flexible pages with 4K bytes  
JEDEC standard byte-wide pinouts  
Any individual sector or page can be erased  
Available packages: 32L PLCC, 32L TSOP (8 x  
20 mm) and 32L STSOP (8 x 14 mm)  
Publication Release Date: November 11, 2002  
- 1 -  
Revision A4  

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