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參數資料
| 型號： | W39V040FBPZ |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
| 中文描述： | 512K X 8 FLASH 3.3V PROM, 11 ns, PQCC32 |
| 封裝： | LEAD FREE, PLASTIC, LCC-32 |
| 文件頁數： | 1/36頁 |
| 文件大小： | 518K |
| 代理商： | W39V040FBPZ |
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W39V040FA
512K
×
8 CMOS FLASH MEMORY
WITH FWH INTERFACE
Publication Release Date: December 19, 2002
- 1 -
Revision A2
1. GENERAL DESCRIPTION
The W39V040FA is a 4-megabit, 3.3-volt only CMOS flash memory organized as 512K
×
8 bits. For
flexible erase capability, the 4Mbits of data are divided into 8 uniform sectors of 64 Kbytes, which are
composed of 16 smaller even pages with 4 Kbytes. 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 W39V040FA results in fast program/erase operations with extremely low current consumption.
This device can operate at two modes, Programmer bus interface mode and FWH bus interface
mode. As in the Programmer interface mode, it acts like the traditional flash but with a multiplexed
address inputs. But in the FWH interface mode, this device complies with the Intel FWH specification.
The device can also be programmed and erased using standard EPROM programmers.
2. FEATURES
Single 3.3-volt operations:
3.3-volt read
3.3-volt erase
3.3-volt program
Fast Program operation:
Byte-by-Byte programming: 35
μ
S (typ.)
Fast erase operation:
Chip erase 100 mS (max.)
Sector erase 25 mS (max.)
Page erase 25 mS (max.)
Fast Read access time: Tkq 11 nS
Endurance: 10K cycles (typ.)
Twenty-year data retention
8 Even sectors with 64K bytes each, which is
composed of 16 flexible pages with 4K bytes
Any individual sector or page can be erased
Hardware protection:
Optional 16K byte or 64K byte Top Boot
Block with lockout protection
#TBL & #WP support the whole chip
hardware protection
Flexible 4K-page size can be used as
Parameter Blocks
Low power consumption
Active current: 12.5 mA (typ. for FWH mode)
Automatic program and erase timing with
internal V
PP
generation
End of program or erase detection
Toggle bit
Data polling
Latched address and data
TTL compatible I/O
Available packages: 32L PLCC, 32L STSOP,
40L TSOP (10 x 20 mm)
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