参数资料
型号: DS1556WP-120+
厂商: Maxim Integrated Products
文件页数: 18/18页
文件大小: 0K
描述: IC RTC RAM Y2K 3.3V 120NS 34PCM
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 40
类型: 时钟/日历
特点: 警报器,闰年,NVSRAM,监视计时器,Y2K
存储容量: 128KB
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 2.97 V ~ 3.63 V
电压 - 电源,电池: 3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 34-PowerCap? 模块
供应商设备封装: 34-PowerCap 模块
包装: 管件
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
9 of 18
Figure 3. Clearing
IRQ Waveforms
The
IRQ/FT pin can also be activated in the battery-backed mode. The IRQ/FT will go low if an alarm
occurs and both ABE and AE are set. The ABE and AE bits are cleared during the power-up transition,
however an alarm generated during power-up will set AF. Therefore, the AF bit can be read after system
power-up to determine if an alarm was generated during the power-up sequence. Figure 4 illustrates alarm
timing during the battery-backup mode and power-up states.
Figure 4. Backup Mode Alarm Waveforms
CE=0
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相关代理商/技术参数
参数描述
DS1556WP-120+ 功能描述:实时时钟 1M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1556WP-120IND 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1556WP-120IND+ 功能描述:实时时钟 1M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1557 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4MEG NV Y2KC Timekeeping RAM
DS1557P/YP/WP 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:PowerCap with Crystal