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參數(shù)資料
| 型號： | M28256 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | DRAM |
| 英文描述： | 256K (32K x 8) Parallel EEPROM with Software Data Protection(帶軟件數(shù)據(jù)保護(hù)的256K并行EEPROM) |
| 中文描述： | 256K（32K的× 8）與軟件數(shù)據(jù)保護(hù)（帶軟件數(shù)據(jù)保護(hù)的256K并行EEPROM的并行的EEPROM） |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 148K |
| 代理商： | M28256 |
M28256
256K (32K x 8) PARALLEL EEPROM
with SOFTWARE DATA PROTECTION
PRELIMINARYDATA
November 1997
1/21
This is preliminaryinformationon a new product now in developmentor undergoingevaluation. Detailsare subject to change without notice.
AI01885
15
A0-A14
W
DQ0-DQ7
VCC
M28256
G
E
VSS
8
Figure 1. Logic Diagram
28
1
PDIP28 (BS)
PLCC32 (KA)
A0-A14
Address Input
DQ0-DQ7
Data Input / Output
W
Write Enable
E
Chip Enable
G
Output Enable
V
CC
Supply Voltage
V
SS
Ground
Table 1. Signal Names
FASTACCESS TIME:
– 90ns at 5V
– 150ns at 3V
SINGLE SUPPLYVOLTAGE:
– 5V
±
10%for M28256
– 2.7V to 3.6Vfor M28256-xxW
LOW POWERCONSUMPTION
FAST WRITE CYCLE:
– 64 Bytes Page WriteOperation
– Byte or Page Write Cycle
ENHANCED END of WRITE DETECTION:
– Data Polling
– ToggleBit
STATUSREGISTER
HIGH RELIABILITYDOUBLE POLYSILICON,
CMOS TECHNOLOGY:
– Endurance>100,000Erase/Write Cycles
– Data Retention >10 Years
JEDEC APPROVEDBYTEWIDE PIN OUT
ADDRESS and DATA LATCHED ON-CHIP
SOFTWARE DATA PROTECTION
DESCRIPTION
TheM28256andM28256-Ware32Kx8lowpower
ParallelEEPROMfabricatedwithSGS-THOMSON
proprietary double polysilicon CMOS technology.
TSOP28 (NS)
8 x13.4mm
28
1
SO28 (MS)
300 mils
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相關(guān)代理商/技術(shù)參數(shù) |
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| M28256-12BS1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
| M28256-12BS6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
| M28256-12KA1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
| M28256-12KA6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
| M28256-12MS1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
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