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参数资料
| 型号： | W29C040T-90N |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 512K X 8 FLASH 5V PROM, 90 ns, PDSO32 |
| 封装： | TSOP1-32 |
| 文件页数： | 12/28页 |
| 文件大小： | 257K |
| 代理商： | W29C040T-90N |
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W29C040
- 2 -
1.
GENERAL DESCRIPTION
The W29C040 is a 4-megabit, 5-volt only CMOS page mode Flash Memory organized as 512K
× 8
bits. The device can be written (erased and programmed) in-system with a standard 5V power supply.
A 12-volt VPP is not required. The unique cell architecture of the W29C040 results in fast write (erase/
program) operations with extremely low current consumption (compared to other comparable 5-volt
flash memory products.) The device can also be erased and programmed by using standard EPROM
programmers.
2.
FEATURES
Single 5-volt write (erase and program)
operations
Fast page-write operations
256 bytes per page
Page write (erase/program) cycle: 5 mS
(typ.)
Effective byte-write (erase/program) cycle
time: 19.5
μS
Optional software-protected data write
Fast chip-erase operation: 50 mS
Two 16 KB boot blocks with lockout
Page write (erase/program) cycles: 50K (typ.)
Read access time: 70/90/120 nS
Ten-year data retention
Software and hardware data protection
Low power consumption
Active current: 25 mA (typ.)
Standby current: 20 μA (typ.)
Automatic write (erase/program) timing with
internal VPP generation
End of write (erase/program) detection
Toggle bit
Data polling
Latched address and data
All inputs and outputs directly TTL compatible
JEDEC standard byte-wide pinouts
Available packages: 32-pin 600 mil DIP, TSOP
and PLCC
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相关代理商/技术参数 |
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| W29C101-12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x16 Flash EEPROM |
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