DS1244W-120IND+、DS1244W-120+、DS1244W-120IND对比区别

高亮显示差异参数

型号 DS1244W-120IND+ DS1244W-120+ DS1244W-120IND

描述 Real Time Clock, Volatile, CMOS, PDIP28, 0.74INCH, ROHS COMPLIANT, ENCAPSULATED, DIP-28Real Time Clock, Volatile, CMOS, PDIP28, 0.74INCH, ROHS COMPLIANT, ENCAPSULATED, DIP-28IC NVSRAM 256Kbit 120NS 28DIP

数据手册 ---

制造商 Maxim Integrated (美信) Maxim Integrated (美信) Maxim Integrated (美信)

分类 实时时钟芯片实时时钟芯片实时时钟芯片

安装方式 Through Hole Through Hole Through Hole

引脚数 28 28 28

封装 EDIP-28 DIP-28 DIP-28

电源电压(DC) 3.30 V, 3.60 V (max) 3.30 V, 3.60 V (max) 3.30 V, 3.60 V (max)

时钟频率 120 GHz 120 GHz 120 GHz

存取时间 120 ns 120 ns 120 ns

内存容量 256000 B 256000 B 256000 B

工作温度(Max) 85 ℃ - -

工作温度(Min) -40 ℃ - -

电源电压 2.97V ~ 3.63V 2.97V ~ 3.63V 2.97V ~ 3.63V

电源电压(Max) 3.63 V 5 V -

电源电压(Min) 2.97 V 3.3 V -

封装 EDIP-28 DIP-28 DIP-28

工作温度 -40℃ ~ 85℃ 0℃ ~ 70℃ -40℃ ~ 85℃

产品生命周期 Active Active Active

包装方式 Tube Tube Tube

RoHS标准 RoHS Compliant RoHS Compliant Non-Compliant

含铅标准 Lead Free Lead Free Contains Lead