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參數(shù)資料
| 型號： | AT28C040-25LI |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 |
| 中文描述： | 512K X 8 EEPROM 5V, 250 ns, CQCC44 |
| 封裝： | CERAMIC, LCC-44 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 332K |
| 代理商： | AT28C040-25LI |
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PDF資料 |
PDF描述 |
|---|---|
| AT28C040-20FISL703 | 4-Megabit 512K x 8 Paged E2PROM |
| AT28C16-15T | 16K 2K x 8 PCMCIA Nonvolatile Attribute Memory |
| AT28C16-15TC | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AT28C16-15TI | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AT28C16-T | 2K x 8 PCMCIA Nonvolatile Attribute Memory(2K x 8非易失的存儲器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT28C040-25LISL703 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Paged E2PROM |
| AT28C040-25LM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C040-25LM/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C04-15DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C04-15DI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
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