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參數(shù)資料
| 型號： | AT28C040-25 |
| 廠商： | Atmel Corp. |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| 中文描述： | 4兆位為512k × 8分頁E2PROM的 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 332K |
| 代理商： | AT28C040-25 |
1
LCC
Top View
Features
Read Access Time - 200 ns
Automatic Page Write Operation
– Internal Address and Data Latches for 256 Bytes
– Internal Control Timer
Fast Write Cycle Time
– Page Write Cycle Time - 10 ms Maximum
– 1 to 256 Byte Page Write Operation
Low Power Dissipation
– 80 mA Active Current
Hardware and Software Data Protection
DATA Polling for End of Write Detection
High Reliability CMOS Technology
– Endurance: 10,000 Cycles
– Data Retention: 10 Years
Single 5V
±
10% Supply
CMOS and TTL Compatible Inputs and Outputs
JEDEC Approved Byte-Wide Pinout
Description
The AT28C040 is a high-performance electrically erasable and programmable read
only memory (E
2
PROM). Its 4 megabits of memory is organized as 524,288 words by
8 bits. Manufactured with Atmel's advanced nonvolatile CMOS technology, the device
offers access times to 200 ns with power dissipation of just 440 mW.
Rev. 0542B–04/98
AT28C040 4-
Megabit (512K x
8) Paged
E
2
PROM
Pin Configurations
Pin Name
Function
A0 - A18
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
SIDE BRAZE,
FLATPACK
Top View
(continued)
4-Megabit
(512K x 8)
Paged E
2
PROM
AT28C040
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT28C040-25BC | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AT28C040-25BI | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AT28C040-25BISL703 | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AT28C040-25FC | Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 |
| AT28C040-25FI | Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT28C040-25BC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Paged E2PROM |
| AT28C040-25BI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Paged E2PROM |
| AT28C040-25BISL703 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Paged E2PROM |
| AT28C040-25BM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C040-25BM/883 | 制造商:Atmel Corporation 功能描述:EEPROM PARALLEL 4MBIT 512KX8 5V 32PIN SBDIP - Rail/Tube |
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