MICROCHIP晶振MCP7940N系列低功耗实时时钟,MCP7940NT-ESTVAO
MICROCHIP晶振MCP7940N系列低功耗实时时钟 (RTC) 使用数字时序补偿来实现精确的时钟/日历、可编程输出控制以实现多功能性,以及自动切换到备用电源的电源检测电路。它使用低成本的32.768kHz晶振,使用多个内部寄存器跟踪时间。对于通信,MCP7940N使用I2C™ 总线。时钟/日历自动调整少于31天的月份,包括闰年校正。时钟以24小时制或12小时制运行,带有 AM/PM 指示器和可设置为秒、分、小时、星期几、日期或月份的闹钟。使用可编程CLKOUT,可以从外部晶振产生32.768k、8.192k和4.096kHz和1Hz的频率。
MICROCHIP晶振MCP7940N系列低功耗实时时钟,MCP7940NT-ESTVAO,32.768k晶振
Manufacturer Part Number原厂代码 | Manufacturer品牌 | Packaging | Series型号 | Frequency 频率 | Part Status |
DSC6083CI2A-032K800 | Microchip Technology | Bulk | DSC60XX | 32.8kHz | Active |
DSC6001CI2A-032.0000 | Microchip Technology | Tube | DSC60XX | 32MHz | Active |
DSC6083HE1A-032K800T | Microchip Technology | Tape & Reel (TR) | DSC60XX | 32.8kHz | Active |
DSC6083HE1A-032K800T | Microchip Technology | Cut Tape (CT) | DSC60XX | 32.8kHz | Active |
DSC6083HE1A-032K800T | Microchip Technology | Digi-Reel® | DSC60XX | 32.8kHz | Active |
DSC6083CI2A-032K768 |
Microchip Crystal |
Bulk | DSC60XX | 32.768kHz | Active |
DSC1001DI1-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
DSC1001CI5-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
DSC1121DL2-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1121 | 32MHz | Active |
DSC1121DL2-032.0000T | Microchip Technology | Cut Tape (CT) | DSC1121 | 32MHz | Discontinued at Digi-Key |
DSC1121DL2-032.0000T | Microchip Technology | Digi-Reel® | DSC1121 | 32MHz | Discontinued at Digi-Key |
DSC1033DI1-032.0000 | Microchip Technology | Tube | DSC1033 | 32MHz | Active |
DSC1033BI1-032.0000 | Microchip Technology | Tube | DSC1033 | 32MHz | Active |
DSC1001AI5-032.0000 | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1001DL5-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
DSC6001CI2A-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC60XX | 32MHz | Active |
DSC6083CI2A-032K768T | Microchip Technology | Tape & Reel (TR) | DSC60XX | 32.768kHz | Active |
DSC6083CI2A-032K800T | Microchip Technology | Tape & Reel (TR) | DSC60XX | 32.8kHz | Active |
DSC1001DE2-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
DSC1121DL2-032.0000 | Microchip Technology | Tube | DSC1121 | 32MHz | Active |
DSC1001DI1-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1033DI1-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1033 | 32MHz | Active |
DSC1033BI2-032.7680T | Microchip Technology | Tape & Reel (TR) | DSC1033 | 32.768MHz | Active |
DSC1001AI2-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1001BI1-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1001BI2-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1001CI2-032.0000T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32MHz | Active |
DSC1001CI2-032.7680T | Microchip Technology | Tape & Reel (TR) | DSC1001 | 32.768MHz | Active |
DSC1001CI2-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
DSC1001CI2-032.7680 | Microchip Technology | Tube | DSC1001 | 32.768MHz | Active |
DSC1001BI1-032.0000 | Microchip Technology | Tube | DSC1001 | 32MHz | Active |
MICROCHIP晶振MCP7940N系列低功耗实时时钟,MCP7940NT-ESTVAO,32.768k晶振
产品特点:
电池供电的实时时钟/日历 (RTCC)
小时、分钟、秒、星期几、天、月、年
闰年补到2399
12/24 小时模式
片上数字微调/校准
1 PPM 分辨率
±129 PPM范围
双可编程警报
多功能输出引脚
具有可选频率的时钟输出 时钟晶体振荡器
报警输出
通用输出
切换到备用电池和从备用电池切换的时间
64字节电池备份 SRAM
I2C 时钟频率高达 400kHz
工作电压 1.8V至5.5V
备用电压 1.3V至5.5V
低典型计时电流
自动切换到备用电池
DSC1033BI1-035.3280
Microchip Technology
Tube
DSC1033
35.328MHz
Active
DSC1033BI1-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1033
32MHz
Active
DSC1001CL1-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001DI2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CI5-032.7680
Microchip Technology
Tube
DSC1001
32.768MHz
Active
DSC1001DI2-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001CL5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CL5-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001AI5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001BI5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001DL2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001AL5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001AL5-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001DI5-032.2500
Microchip Technology
Tube
DSC1001
32.25MHz
Active
DSC1001DL5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1123CI5-032.0000
Microchip Technology
Tube
DSC1123
32MHz
Active
DSC1001AE2-032.7680T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.768MHz
Active
DSC1001AI2-032.7680T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.768MHz
Active
DSC1001AE2-032.7680
Microchip Technology
Tube
DSC1001
32.768MHz
Active
DSC1001AI2-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001CC1-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CE2-032.1100T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.11MHz
Active
DSC1001CI1-032.0000B
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CI1-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CI1-032.7680T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.768MHz
Active
DSC1001CI5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001CI5-032.7680T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.768MHz
Active
DSC1001CL1-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001DE2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1001DI5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1001
32MHz
Active
DSC1033CI1-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1033
32MHz
Active
DSC1101CI2-032.7680T
Microchip Technology
Tape & Reel (TR)
DSC1101
32.768MHz
Active
DSC1101DI2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1101
32MHz
Active
DSC1001BI5-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001CC1-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1001CI1-032.7680
Microchip Technology
Tube
DSC1001
32.768MHz
Active
DSC1101CI2-032.7680
Microchip Technology
Tube
DSC1101
32.768MHz
Active
DSC1101DI2-032.0000
Microchip Technology
Tube
DSC1101
32MHz
Active
DSC1121CM2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1121
32MHz
Active
DSC1121CM2-032.0000
Microchip Technology
Tube
DSC1121
32MHz
Active
DSC1001DI5-032.2500T
Microchip Technology
Tape & Reel (TR)
DSC1001
32.25MHz
Active
DSC1001DL2-032.0000
Microchip Technology
Tube
DSC1001
32MHz
Active
DSC1033BI1-035.3280T
Microchip Technology
Tape & Reel (TR)
DSC1033
35.328MHz
Active
DSC1033BI2-032.7680
Tube
DSC1033
32.768MHz
Active
DSC1033CI1-035.3280
Microchip Technology
Tube
DSC1033
35.328MHz
Active
DSC1033CI1-035.3280T
Microchip Technology
Tape & Reel (TR)
DSC1033
35.328MHz
Active
DSC1033DI2-032.0000
Microchip Technology
Tube
DSC1033
32MHz
Active
DSC1033DI2-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1033
32MHz
Active
DSC1123CI5-032.0000T
Microchip Technology
Tape & Reel (TR)
DSC1123
32MHz
Active
MICROCHIP晶振MCP7940N系列低功耗实时时钟,MCP7940NT-ESTVAO,32.768k晶振
MCP7940N实时时钟/日历(RTCC) 使用内部计数器跟踪时间,包括小时、分钟, 秒、日、月、年和星期几。 可以在所有计数器上配置报警,最多可配置到和包括几个月。
开漏多功能输出可以是配置为在报警匹配时断言,输出一个可选频率方波,或作为一般目的输出。
MCP7940N设计使用32.768k音叉晶体,带外部晶体负载电容。可以使用片内数字调整,为了调整由晶体引起的频率变化公差和温度。
SRAM和计时电路由供电 主电源断电时的备用电源,允许 保持精确时间的装置和SRAM 内容。设备切换到的时间 备用电源和主电源恢复时 都由电源故障时间戳记录。
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