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參數資料
| 型號： | W29C022P-90 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 FLASH 5V PROM, 90 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 303K |
| 代理商： | W29C022P-90 |
W29C022
256K
× 8 CMOS FLASH MEMORY
Publication Release Date: April 2001
- 1 -
Revision A2
GENERAL DESCRIPTION
The W29C022 is a 2-megabit, 5-volt only CMOS flash memory organized as 256K
× 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 W29C022 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 written (erased and programmed) by using standard EPROM
programmers.
FEATURES
Single 5-volt write (erase and program)
operations
Fast page-write operations
128 bytes per page
Page write (erase/program) cycle: 10 mS
(max.)
Effective byte-write (erase/program) cycle
time: 39
S
Optional software-protected data write
Fast chip-erase operation: 50 mS
Two 8 KB boot blocks with lockout
Typical page write (erase/program) cycles:
1K/10K
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 A (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,
450 mil SOP, TSOP, and 32-pin PLCC
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相關代理商/技術參數 |
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| W29C040 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY |
| W29C040-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|512KX8|CMOS|DIP|32PIN|PLASTIC |
| W29C040-12N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 Flash EEPROM |
| W29C040-90 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|512KX8|CMOS|DIP|32PIN|PLASTIC |
| W29C040-90B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 Flash EEPROM |
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