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AT27C2048-90VC PDF预览

AT27C2048-90VC

更新时间: 2024-02-04 23:12:11
品牌 Logo 应用领域
爱特美尔 - ATMEL 可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
9页 167K
描述
2-Megabit 128K x 16 OTP EPROM

AT27C2048-90VC 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSOP1
包装说明:TSSOP,针数:40
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.7
最长访问时间:90 nsJESD-30 代码:R-PDSO-G40
JESD-609代码:e3长度:12.4 mm
内存密度:2097152 bit内存集成电路类型:OTP ROM
内存宽度:16湿度敏感等级:3
功能数量:1端子数量:40
字数:131072 words字数代码:128000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:128KX16
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH并行/串行:PARALLEL
峰值回流温度(摄氏度):260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:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:10 mmBase Number Matches:1

AT27C2048-90VC 数据手册

 浏览型号AT27C2048-90VC的Datasheet PDF文件第1页浏览型号AT27C2048-90VC的Datasheet PDF文件第3页浏览型号AT27C2048-90VC的Datasheet PDF文件第4页浏览型号AT27C2048-90VC的Datasheet PDF文件第5页浏览型号AT27C2048-90VC的Datasheet PDF文件第6页浏览型号AT27C2048-90VC的Datasheet PDF文件第7页 
Description  
In read mode, the AT27C2048 typically consumes 15 mA.  
Standby mode supply current is typically less than 10 µA.  
System Considerations  
Switching between active and standby conditions via the  
Chip Enable pin may produce transient voltage excursions.  
Unless accommodated by the system design, these tran-  
sients may exceed data sheet limits, resulting in device  
non-conformance. At a minimum, a 0.1 µF high frequency,  
low inherent inductance, ceramic capacitor should be uti-  
lized for each device. This capacitor should be connected  
between the VCC and Ground terminals of the device, as  
close to the device as possible. Additionally, to stabilize the  
supply voltage level on printed circuit boards with large  
EPROM arrays, a 4.7 µF bulk electrolytic capacitor should  
be utilized, again connected between the VCC and Ground  
terminals. This capacitor should be positioned as close as  
possible to the point where the power supply is connected  
to the array.  
The AT27C2048 is available in industry standard  
JEDEC-approved one-time programmable (OTP) plastic  
PDIP, PLCC, and TSOP packages. The device features  
two-line control (CE, OE) to eliminate bus contention in  
high-speed systems.  
With high density 128K word storage capability, the  
AT27C2048 allows firmware to be stored reliably and to be  
accessed by the system without the delays of mass storage  
media.  
Atmel’s AT27C2048 has additional features that ensure  
high quality and efficient production use. The RapidPro-  
gramming Algorithm reduces the time required to program  
the part and guarantees reliable programming. Program-  
ming time is typically only 50 µs/word. The Integrated Prod-  
uct Identification Code electronically identifies the device  
and manufacturer. This feature is used by industry stan-  
dard programming equipment to select the proper program-  
ming algorithms and voltages.  
AT27C2048  
2

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