參數(shù)資料
型號(hào): AT28C040-25LC
廠商: ATMEL CORP
元件分類: DRAM
英文描述: 4-Megabit 512K x 8 Paged E2PROM
中文描述: 512K X 8 EEPROM 5V, 250 ns, CQCC44
封裝: CERAMIC, LCC-44
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 332K
代理商: AT28C040-25LC
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
AT28C040-25LI Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85
AT28C040-20FISL703 4-Megabit 512K x 8 Paged E2PROM
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AT28C16-15TI Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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