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DS2404-001 PDF预览

DS2404-001

更新时间: 2024-02-14 03:19:12
品牌 Logo 应用领域
达拉斯 - DALLAS 模拟波形发生功能信号电路光电二极管
页数 文件大小 规格书
28页 664K
描述
EconoRAM Time Chip

DS2404-001 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:DIP
包装说明:DIP,针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
最大时钟频率:0.032 MHz信息访问方法:SERIAL, 3-WIRE
JESD-30 代码:R-PDIP-T16JESD-609代码:e3
长度:19.175 mm湿度敏感等级:1
端子数量:16计时器数量:
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:4.572 mm最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.62 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK

DS2404-001 数据手册

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DS2404  
EconoRAM Time Chip  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
§ 4096 bits of nonvolatile dual-port memory  
including real time clock/calendar in binary  
format, programmable interval timer, and  
programmable power-on cycle counter  
§ 1-WireTM interface for MicroLAN  
communication at 16.3k bits per second  
§ 3-wire host interface for high-speed data  
communications at 2M bits per second  
§ Unique, factory-lasered and tested 64-bit  
registration number (8-bit family code + 48-  
bit serial number + 8-bit CRC tester) assures  
absolute traceability because no two parts are  
alike  
VCC  
IRQ  
RST  
DQ  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
VCC  
X1  
X2  
GND  
NC  
I/O  
CLK  
1HZ  
NC  
7
8
10  
9
VBATO  
VBATB  
GND  
16-PIN DIP (300 MIL)  
16-PIN SOIC (300 MIL)  
16-PIN SSOP (300 MIL)  
See Mechanical Drawings Section  
§ Memory partitioned into 16 pages of 256-bits  
for packetizing data  
PIN DESCRIPTION  
VCC  
IRQ  
RST  
DQ  
I/O  
CLK  
NC  
GND  
VBATB  
VBATO  
1 Hz  
X1 ,X2  
§ 256-bit scratchpad with strict read/write  
protocols ensures integrity of data transfer  
§ Programmable alarms can be set to generate  
interrupts for interval timer, real time clock,  
and/or cycle counter  
§ 16-pin DIP, SOIC and SSOP packages  
§ Operating temperature range from -40°C to  
+85°C  
– 2.8 to 5.5 Volts  
– Interrupt Output  
– 3-Wire Reset Input  
– 3-Wire Input/Output  
– 1-Wire Input/Output  
– 3-Wire Clock Input  
– No Connection  
– Ground  
§ Operating voltage range from 2.8 to 5.5  
Volts  
– Battery Backup Input  
– Battery Operate Input  
– 1 Hz Output  
ORDERING INFORMATION  
– Crystal Connections  
DS2404  
16-pin DIP  
DS2404S  
DS2404B  
16-pin SOIC  
16-pin SSOP  
DESCRIPTION  
The DS2404 EconoRAM Time Chip offers a simple solution for storing and retrieving vital data and time  
information with minimal hardware. The DS2404 contains a unique lasered ROM, real-time  
clock/calendar, interval timer, cycle counter, programmable interrupts and 4096-bits of SRAM. Two  
separate ports are provided for communication, 1-Wire and 3-wire. Using the 1-Wire port, only one pin is  
required for communication, and the lasered ROM can be read even when the DS2404 is without power.  
The 3-wire port provides high speed communication using the traditional Dallas Semiconductor 3-wire  
interface. With either interface, a strict protocol for accessing the DS2404 ensures data integrity. Utilizing  
backup energy sources, the data is nonvolatile and allows for stand-alone operation.  
The DS2404 features can be used to create a stopwatch, alarm clock, time and date stamp, logbook, hour  
meter, calendar, system power cycle timer, expiration timer, and event scheduler.  
1 of 28  
020998  

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