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參數(shù)資料
| 型號： | W29C020-90 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVS06; Number of Contacts:10; Connector Shell Size:13; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight |
| 中文描述： | 256K X 8 FLASH 5V PROM, 90 ns, PDIP32 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-32 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 267K |
| 代理商： | W29C020-90 |
W29C020
256K
×
8 CMOS FLASH MEMORY
Publication Release Date: February 1998
- 1 -
Revision A3
GENERAL DESCRIPTION
The W29C020 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
V
PP
is not required. The unique cell architecture of the W29C020 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
μ
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:
100/1K/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
μ
A (typ.)
Automatic write (erase/program) timing with
internal V
PP
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W29C020-70B | 256K X 8 CMOS FLASH MEMORY |
| W29C020-90A | 256K X 8 CMOS FLASH MEMORY |
| W29C020-90B | 256K X 8 CMOS FLASH MEMORY |
| W29C020P-12 | 256K X 8 CMOS FLASH MEMORY |
| W29C020P-12A | 256K X 8 CMOS FLASH MEMORY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W29C020-90A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W29C020-90B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W29C020C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W29C020C-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W29C020C-12B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
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