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AT49F040-90TCT/R PDF预览

AT49F040-90TCT/R

更新时间: 2024-09-20 13:05:43
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存
页数 文件大小 规格书
12页 232K
描述
Flash, 512KX8, 90ns, PDSO32, PLASTIC, TSOP-32

AT49F040-90TCT/R 技术参数

生命周期:Obsolete零件包装代码:TSOP
包装说明:PLASTIC, TSOP-32针数:32
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.37
最长访问时间:90 ns启动块:BOTTOM
JESD-30 代码:R-PDSO-G32长度:18.4 mm
内存密度:4194304 bit内存集成电路类型:FLASH
内存宽度:8功能数量:1
端子数量:32字数:524288 words
字数代码:512000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:512KX8输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:TSOP1
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
并行/串行:PARALLEL编程电压:5 V
认证状态:Not Qualified座面最大高度:1.2 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL类型:NOR TYPE
宽度:8 mmBase Number Matches:1

AT49F040-90TCT/R 数据手册

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Features  
Single Voltage Operation  
– 5V Read  
– 5V Reprogramming  
Fast Read Access Time - 70 ns  
Internal Program Control and Timer  
16K bytes Boot Block With Lockout  
Fast Erase Cycle Time - 10 seconds  
Byte By Byte Programming - 50 µs/Byte  
Hardware Data Protection  
DATA Polling For End Of Program Detection  
Low Power Dissipation  
– 50 mA Active Current  
– 100 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
4-Megabit  
(512K x 8)  
5-volt Only  
CMOS  
Description  
The AT49F040 is a 5-volt-only in-system Flash Memory. Its 4 megabits of memory is  
organized as 524,288 words by 8 bits. Manufactured with Atmel’s advanced nonvola-  
tile CMOS technology, the device offers access times to 70 ns with power dissipation  
of just 275 mW over the commercial temperature range. When the device is dese-  
lected, the CMOS standby current is less than 100 µA.  
Flash Memory  
AT49F040  
AT49F040T  
The device contains a user-enabled “boot block” protection feature. Two versions of  
the feature are available: the AT49F040 locates the boot block at lowest order  
addresses (“bottom boot”); the AT49F040T locates it at highest order addresses (“top  
boot”).  
(continued)  
DIP Top View  
Pin Configurations  
Pin Name Function  
A0 - A18  
CE  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
OE  
WE  
AT49F040/040T  
I/O0 - I/O7 Data Inputs/Outputs  
PLCC Top View  
TSOP Top View  
Type 1  
Rev. 0998A-A–01/98  

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