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參數(shù)資料
| 型號(hào)： | WE256K8200CC |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 EEPROM 5V MODULE, 200 ns, CDIP32 |
| 封裝： | HERMETIC SEALED, DUAL CAVITY, BOTTOM BRAZED, CERAMIC, DIP-32 |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 678K |
| 代理商： | WE256K8200CC |
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WE512K8, WE256K8,
WE128K8-XCX
10
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
March 2007
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specications without notice.
FIGURE 10 – SOFTWARE BLOCK DATA PROTECTION ENABLE ALGORITHM
NOTES:
1. Data Format: I/O7-0 (Hex);
Address Format: A14 -A0 (Hex).
A17 and A18 control selection of one of four blocks in the 512Kx8.
A15, A16, and A17 control selection of one of 8 pages in the 256Kx8.
A15 and A16 control one of the four blocks in the 128Kx8.
2. Write Protect state will be activated at end of write even if no other data is loaded.
3. Write Protect state will be deactivated at end of write period even if no other data is loaded.
4. 1 to 128 bytes of data at each of 4 blocks may be loaded in the 512Kx8. 1 to 64 bytes of data
at each of 8 blocks may be loaded in the 256Kx8 and 1 to 64 bytes on 4 blocks in the 128Kx8.
(1)
WRITES ENABLED(2)
ENTER DATA
PROTECT STATE
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA A0
TO
ADDRESS 5555
LOAD DATA XX
TO
ANY ADDRESS(4)
LOAD LAST BYTE
TO
LAST ADDRESS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WE256K8-200CC | 制造商:Microsemi Corporation 功能描述:256K X 8 EEPROM MODULE, 200NS, 32 DIP, COMMERCIAL SCREENED - Bulk |
| WE256K8-200CCA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512Kx8 CMOS EEPROM, WE512K8-XCX, SMD 5962-93091 |
| WE256K8-200CI | 制造商:Microsemi Corporation 功能描述:256K X 8 EEPROM MODULE, 200NS, 32 DIP, INDUSTRIAL SCREENED - Bulk |
| WE256K8-200CIA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512Kx8 CMOS EEPROM, WE512K8-XCX, SMD 5962-93091 |
| WE256K8-200CM | 制造商:Microsemi Corporation 功能描述:256K X 8 EEPROM MODULE, 200NS, 32 DIP, MIL-SCREENED - Bulk |
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