型号/品牌/封装
品类/描述
库存
价格(含税)
资料
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品类: 实时时钟芯片描述: MCP7940M I²C 实时时钟/日历 Microchip MCP7940M 是支持 I²C 通信的实时时钟日历 (RTCC)。 MCP7940M 包括提供精确度的数字微调电路，可补偿晶体容差和温度。 MCP7940M 具有可配置为警报输出的多功能输出，可用于输出可选频率方形波或用作通用输出。 ### 特点 2 线串行接口，I²C™ 兼容：I²C 时钟速率高达 400 kHz 片上数字微调/校准：±1 ppm 分辨率，±129 ppm 范围 跟踪小时、分钟、秒钟、每周的某一日、日、月和年 闰年补偿到 2399 12/24 小时模式 振荡器用于 32.768 kHz 晶体：经优化适用于 6-9 pF 晶体 双路可编程警报 多用途输出引脚 宽工作电压范围：1.8V 至 5.5V 低典型计时电流：3.3V 时为 1.2μA ### 实时时钟外围设备 - Microchip89025-24￥6.453025-49￥5.975050-99￥5.6404100-499￥5.4970500-2499￥5.40142500-4999￥5.28195000-9999￥5.2341≥10000￥5.1624 -
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品类: 实时时钟芯片描述: Real Time Clock Serial 64Byte Clock/Calendar/Alarm/Interrupt/Watchdog Timer/Battery Backup Automotive 10Pin MSOP T/R563210-99￥10.1760100-499￥9.6672500-999￥9.32801000-1999￥9.31102000-4999￥9.24325000-7499￥9.15847500-9999￥9.0906≥10000￥9.0566 -
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品类: 实时时钟芯片描述: 低成本I2C实时时钟/日历与SRAM和电池切换 Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover66441-9￥202.147010-49￥196.873650-99￥192.8307100-199￥191.4244200-499￥190.3697500-999￥188.96351000-1999￥188.0846≥2000￥187.2057 -
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品类: 实时时钟芯片描述: 实时时钟 I2C GP RTCC 64B SRAM EUI-64846310-99￥9.4080100-499￥8.9376500-999￥8.62401000-1999￥8.60832000-4999￥8.54565000-7499￥8.46727500-9999￥8.4045≥10000￥8.3731 -
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品类: 实时时钟芯片描述: MCP79400 系列 5.5 V 64字节 表面贴装 I2C™ 实时时钟/日历 - SOIC-882355-49￥27.424850-199￥26.2528200-499￥25.5965500-999￥25.43241000-2499￥25.26832500-4999￥25.08085000-7499￥24.9636≥7500￥24.8464 -
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品类: 实时时钟芯片描述: M48T 系列 256Kb (32Kb x 8) SOH-28 计时器 SRAM 带10 % VTP 70 ns 卷盘包装26041-9￥185.196010-49￥180.364850-99￥176.6609100-199￥175.3726200-499￥174.4063500-999￥173.11801000-1999￥172.3128≥2000￥171.5076 -
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品类: 实时时钟芯片描述: 2字节用户SRAM18075-24￥4.036525-49￥3.737550-99￥3.5282100-499￥3.4385500-2499￥3.37872500-4999￥3.30405000-9999￥3.2741≥10000￥3.2292 -
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品类: 实时时钟芯片描述: I²C 32位二进制计数器RTC I2C 32-Bit Binary Counter RTC20505-49￥31.344350-199￥30.0048200-499￥29.2547500-999￥29.06721000-2499￥28.87962500-4999￥28.66535000-7499￥28.5314≥7500￥28.3974 -
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品类: 实时时钟芯片描述: MAXIM INTEGRATED PRODUCTS DS1340Z-33+T&R 芯片, 实时时钟57045-24￥6.088525-49￥5.637550-99￥5.3218100-499￥5.1865500-2499￥5.09632500-4999￥4.98365000-9999￥4.9385≥10000￥4.8708 -
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品类: 实时时钟芯片描述: MAXIM INTEGRATED PRODUCTS DS1338Z-33+T&R 芯片, 实时时钟46005-24￥6.007525-49￥5.562550-99￥5.2510100-499￥5.1175500-2499￥5.02852500-4999￥4.91735000-9999￥4.8728≥10000￥4.8060 -
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品类: 实时时钟芯片描述: 低成本I2C实时时钟/日历与SRAM和电池切换 Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover742010-99￥8.1480100-499￥7.7406500-999￥7.46901000-1999￥7.45542000-4999￥7.40115000-7499￥7.33327500-9999￥7.2789≥10000￥7.2517 -
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品类: 实时时钟芯片描述: MICROCHIP MCP79411-I/SN 芯片, 实时时钟/日历, I2C, 1K EEPROM, 64B SRAM, 8SOIC602110-99￥10.0920100-499￥9.5874500-999￥9.25101000-1999￥9.23422000-4999￥9.16695000-7499￥9.08287500-9999￥9.0155≥10000￥8.9819 -
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品类: 实时时钟芯片描述: MICROCHIP MCP79511-I/MS 芯片, 实时时钟/日历, GP I2C, 1KB EE, 64B SRAM, 10MSOP14425-49￥11.863850-199￥11.3568200-499￥11.0729500-999￥11.00191000-2499￥10.93092500-4999￥10.84985000-7499￥10.7991≥7500￥10.7484 -
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品类: 实时时钟芯片描述: MICROCHIP MCP79510-I/MS 芯片, 实时时钟/日历, GP I2C, 1KB EE 64B SRAM ID, 10MSOP616910-99￥8.6160100-499￥8.1852500-999￥7.89801000-1999￥7.88362000-4999￥7.82625000-7499￥7.75447500-9999￥7.6970≥10000￥7.6682 -
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品类: 实时时钟芯片描述: MCP7941x I²C 实时时钟/日历 ### 实时时钟外围设备 - Microchip287910-99￥10.2960100-499￥9.7812500-999￥9.43801000-1999￥9.42082000-4999￥9.35225000-7499￥9.26647500-9999￥9.1978≥10000￥9.1634 -
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品类: 实时时钟芯片描述: MICROCHIP MCP79410-I/SN 芯片, 实时时钟, 日:月:年, 时:分:秒, 128X8, SOIC-8182910-99￥8.0280100-499￥7.6266500-999￥7.35901000-1999￥7.34562000-4999￥7.29215000-7499￥7.22527500-9999￥7.1717≥10000￥7.1449 -
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品类: 实时时钟芯片描述: Time-to-Digital Converter with AFE; Low Power TRL48441-9￥43.651610-99￥41.1470100-249￥39.2864250-499￥39.0002500-999￥38.71401000-2499￥38.39192500-4999￥38.1057≥5000￥37.9268 -
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品类: 实时时钟芯片描述: STMICROELECTRONICS M48T58Y-70PC1 芯片, 非易失性存储器 10年内部电池供电 64K67901-9￥187.852510-49￥182.952050-99￥179.1950100-199￥177.8882200-499￥176.9081500-999￥175.60131000-1999￥174.7845≥2000￥173.9678 -
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品类: 实时时钟芯片描述: STMICROELECTRONICS M48T35Y-70PC1 芯片, SRAM, TIMEKEEPER? 256K12761-9￥233.668510-49￥227.572850-99￥222.8994100-199￥221.2739200-499￥220.0548500-999￥218.42931000-1999￥217.4133≥2000￥216.3974 -
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品类: 实时时钟芯片描述: 实时时钟 Real-Time Clocks63531-9￥238.130510-49￥231.918450-99￥227.1558100-199￥225.4992200-499￥224.2568500-999￥222.60031000-1999￥221.5649≥2000￥220.5296 -
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品类: 实时时钟芯片描述: MAXIM INTEGRATED PRODUCTS DS12CR887-33+ 芯片, 实时时钟90211-9￥36.722010-99￥34.6150100-249￥33.0498250-499￥32.8090500-999￥32.56821000-2499￥32.29732500-4999￥32.0565≥5000￥31.9060 -
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品类: 实时时钟芯片描述: USOP-8322310-99￥7.0920100-499￥6.7374500-999￥6.50101000-1999￥6.48922000-4999￥6.44195000-7499￥6.38287500-9999￥6.3355≥10000￥6.3119 -
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品类: 实时时钟芯片描述: Real Time Clock Real-time Clock IC40135-24￥6.007525-49￥5.562550-99￥5.2510100-499￥5.1175500-2499￥5.02852500-4999￥4.91735000-9999￥4.8728≥10000￥4.8060 -
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品类: 实时时钟芯片描述: STMicroelectronics ### 实时时钟 (RTC)12061-9￥54.631610-99￥51.4970100-249￥49.1684250-499￥48.8102500-999￥48.45201000-2499￥48.04892500-4999￥47.6907≥5000￥47.4668 -
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品类: 实时时钟芯片描述: STMICROELECTRONICS M48T58-70PC1 芯片, 非易失性存储器, TIMEKEEPER?, 5V, 64K23661-9￥197.719510-49￥192.561650-99￥188.6072100-199￥187.2318200-499￥186.2002500-999￥184.82481000-1999￥183.9651≥2000￥183.1055 -
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品类: 实时时钟芯片描述: 音频串行实时时钟 Serial real-time clock with audio667810-99￥10.4280100-499￥9.9066500-999￥9.55901000-1999￥9.54162000-4999￥9.47215000-7499￥9.38527500-9999￥9.3157≥10000￥9.2809 -
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品类: 实时时钟芯片描述: DS3231SN#T&R; 编带73765-49￥16.017350-199￥15.3328200-499￥14.9495500-999￥14.85371000-2499￥14.75782500-4999￥14.64835000-7499￥14.5799≥7500￥14.5114 -
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品类: 实时时钟芯片描述: 带涓流充电的时钟芯片96045-24￥6.439525-49￥5.962550-99￥5.6286100-499￥5.4855500-2499￥5.39012500-4999￥5.27095000-9999￥5.2232≥10000￥5.1516
