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DS28EC20P+T PDF预览

DS28EC20P+T

更新时间： 2024-11-05 06:54:39
品牌 Logo 应用领域
美信 - MAXIM 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
27页 428K
描述
20Kb 1-Wire EEPROM

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中文翻译

获取价格

DS28EC20P+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOC, SOC6,.17针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.32.00.51Factory Lead Time：17 weeks
风险等级：1.48数据保留时间-最小值：40
耐久性：200000 Write/Erase CyclesJESD-30 代码：R-PDSO-C6
JESD-609代码：e3长度：3.94 mm
内存密度：2097152 bit内存集成电路类型：EEPROM
内存宽度：64湿度敏感等级：1
功能数量：1端子数量：6
字数：32768 words字数代码：32000
工作模式：ASYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C组织：32KX64
封装主体材料：PLASTIC/EPOXY封装代码：SOC
封装等效代码：SOC6,.17封装形状：RECTANGULAR
封装形式：SMALL OUTLINE并行/串行：SERIAL
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.5 mm
串行总线类型：1-WIRE子类别：EEPROMs
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 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 (Sn)端子形式：C BEND
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.76 mm
Base Number Matches：1

DS28EC20P+T 数据手册

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DS28EC20  
20Kb 1-Wire EEPROM  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS28EC20 is a 20480-bit, 1-Wire® EEPROM  
organized as 80 memory pages of 256 bits each. An  
additional page is set aside for control functions.  
Data is written to a 32-byte scratchpad, verified, and  
then copied to the EEPROM memory. As a special  
feature, blocks of eight memory pages can be write  
protected or put in EPROM-Emulation mode, where  
bits can only be changed from a 1 to a 0 state. The  
DS28EC20 communicates over the single-conductor  
1-Wire bus. The communication follows the standard  
1-Wire protocol. Each device has its own unalterable  
and unique 64-bit ROM registration number that is  
factory lasered into the chip. The registration number  
is used to address the device in a multidrop 1-Wire  
net environment.  
ƒ
20480 Bits of Nonvolatile (NV) EEPROM  
Partitioned into Eighty 256-Bit Pages  
Individual 8-Page Groups of Memory Pages  
(Blocks) can be Permanently Write Protected or  
Put in OTP EPROM-Emulation Mode ("Write to  
0")  
ƒ
ƒ
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Read and Write Access Highly Backward-  
Compatible to Legacy Devices (e.g., DS2433)  
256-Bit Scratchpad with Strict Read/Write  
Protocols Ensures Integrity of Data Transfer  
200k Write/Erase Cycle Endurance at +25°C  
Unique Factory-Programmed 64-Bit Registration  
Number Ensures Error-Free Device Selection  
and Absolute Part Identity  
ƒ
ƒ
ƒ
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Switchpoint Hysteresis and Filtering to Optimize  
Performance in the Presence of Noise  
Communicates to Host at 15.4kbps or 125kbps  
Using 1-Wire Protocol  
APPLICATIONS  
Device Authentication  
IEEE 1451.4 Sensor TEDS  
Ink/Toner Cartridges  
Medical Sensors  
ƒ
ƒ
ƒ
Low-Cost TO-92 Package  
Operating Range: 5V ±5%, -40°C to +85°C  
Operating Range: 3.3V ±5%, 0°C to +70°C  
(Standard Speed only)  
PCB Identification  
Wireless Base Stations  
ƒ
IEC 1000-4-2 Level 4 ESD Protection (8kV  
Contact, 15kV Air, Typical) for I/O Pin  
ORDERING INFORMATION  
PART  
TEMP RANGE PIN-PACKAGE  
PIN CONFIGURATION  
DS28EC20+  
DS28EC20+T  
DS28EC20P+  
DS28EC20P+T  
3 TO-92  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
3 TO-92, T&R  
6 TSOC  
DALLAS  
28EC20  
TO-92  
PIN 1 ---------- GND  
PIN 2 ---------- I/O  
PIN 3 ---------- N.C.  
6 TSOC, T&R  
+ Denotes a lead-free package.  
T = tape and reel  
FOR TAPE-AND-  
REEL THE LEADS  
ARE FORMED TO  
100 MILS (2.54mm)  
SPACING VERSUS  
50 MILS (1.27mm)  
FOR BULK.  
TYPICAL OPERATING CIRCUIT  
VCC  
RPUP (300Ω  
to 2.2kΩ)  
1
2
3
PX.Y  
I/O  
BOTTOM VIEW  
1
2
3
DS28EC20  
GND  
µC  
TSOC, Top View  
PIN 1 ---------- N.C.  
PIN 2 ---------- I/O  
PIN 3 ---------- GND  
PIN 4, 5, 6 ---- N.C.  
1
2
3
6
5
4
Commands, bytes, and modes are capitalized for clarity.  
1-Wire is a registered trademark of Maxim Integrated Products, Inc.  
1 of 27  
REV: 040109  
1234567...27

中文翻译

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DS28EC20P+T 替代型号

型号 品牌 替代类型 描述 数据表
DS28EC20P+ MAXIM

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