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參數(shù)資料
| 型號(hào)： | M28C256-20WKA6T |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類(lèi)： | EEPROM |
| 英文描述： | 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| 中文描述： | 256千位（的32KB × 8）與軟件數(shù)據(jù)保護(hù)并行的EEPROM |
| 文件頁(yè)數(shù)： | 1/21頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | M28C256-20WKA6T |
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M28256
256 Kbit (32Kb x8) Parallel EEPROM
with Software Data Protection
PRELIMINARY DATA
January 1999
1/21
This is preliminaryinformationon anew productnow in developmentor undergoingevaluation.Detail s aresubject to change without notice.
AI01885
15
A0-A14
W
DQ0-DQ7
VCC
M28256
G
E
VSS
8
Figure 1. LogicDiagram
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
Table1. SignalNames
FASTACCESSTIME:
– 90ns at 5V
– 120ns at 3V
SINGLESUPPLYVOLTAGE:
– 5V
±
10% for M28256
– 2.7V to 3.6Vfor M28256-xxW
LOWPOWER CONSUMPTION
FASTWRITE CYCLE:
– 64 BytesPageWrite Operation
– Byte or Page WriteCycle
ENHANCED END of WRITEDETECTION:
– Data Polling
– ToggleBit
STATUS REGISTER
HIGHRELIABILITYDOUBLE POLYSILICON,
CMOS TECHNOLOGY:
– Endurance>100,000Erase/Write Cycles
– Data Retention>10 Years
JEDEC APPROVEDBYTEWIDE PIN OUT
ADDRESS and DATALATCHED ON-CHIP
SOFTWAREDATAPROTECTION
DESCRIPTION
The M28256and M28256-Ware32Kx8lowpower
ParallelEEPROMfabricatedwithSTMicroelectron-
ics proprietary double polysilicon CMOS technol-
ogy.
TSOP28 (NS)
8 x13.4mm
28
1
SO28 (MS)
300 mils
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| M28C256-25KA1T | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M28C256-20WMS1T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-20WMS6T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-20WNS1T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-20WNS6T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-25BS1T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
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