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: 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: 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: 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 -
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品类: 实时时钟芯片描述: 带可编程方波输出的实时时钟42385-24￥4.293025-49￥3.975050-99￥3.7524100-499￥3.6570500-2499￥3.59342500-4999￥3.51395000-9999￥3.4821≥10000￥3.4344 -
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品类: 实时时钟芯片描述: 3-wire接口的实时时钟10465-24￥4.063525-49￥3.762550-99￥3.5518100-499￥3.4615500-2499￥3.40132500-4999￥3.32615000-9999￥3.2960≥10000￥3.2508 -
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品类: 实时时钟芯片描述: 1/100秒,时钟软件校准,内嵌晶体72231-9￥45.579210-99￥42.9640100-249￥41.0213250-499￥40.7224500-999￥40.42351000-2499￥40.08732500-4999￥39.7884≥5000￥39.6016 -
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品类: 实时时钟芯片描述: STMicroelectronics ### 实时时钟 (RTC)43555-49￥27.834350-199￥26.6448200-499￥25.9787500-999￥25.81221000-2499￥25.64562500-4999￥25.45535000-7499￥25.3364≥7500￥25.2174 -
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品类: 实时时钟芯片描述: 报警串行实时时钟 Serial real-time clocks with alarm977110-99￥7.4160100-499￥7.0452500-999￥6.79801000-1999￥6.78562000-4999￥6.73625000-7499￥6.67447500-9999￥6.6250≥10000￥6.6002 -
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品类: 实时时钟芯片描述: 串行访问实时时钟与闹钟 Serial access Real Time Clock with alarm63175-49￥13.010450-199￥12.4544200-499￥12.1430500-999￥12.06521000-2499￥11.98742500-4999￥11.89845000-7499￥11.8428≥7500￥11.7872 -
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品类: 实时时钟芯片描述: STMicroelectronics ### 实时时钟 (RTC)48315-49￥18.450950-199￥17.6624200-499￥17.2208500-999￥17.11051000-2499￥17.00012500-4999￥16.87395000-7499￥16.7951≥7500￥16.7162 -
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品类: 实时时钟芯片描述: STMICROELECTRONICS M41T62Q6F 芯片, 实时时钟 带报警功能 I2C54965-24￥5.454025-49￥5.050050-99￥4.7672100-499￥4.6460500-2499￥4.56522500-4999￥4.46425000-9999￥4.4238≥10000￥4.3632 -
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品类: 实时时钟芯片描述: STMicroelectronics ### 实时时钟 (RTC)77395-49￥13.022150-199￥12.4656200-499￥12.1540500-999￥12.07611000-2499￥11.99812500-4999￥11.90915000-7499￥11.8535≥7500￥11.7978 -
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品类: 实时时钟芯片描述: STMICROELECTRONICS M41T56M6F 芯片, 实时时钟, I2C, 56B NVRAM, 8-SO, 卷装46355-49￥19.129550-199￥18.3120200-499￥17.8542500-999￥17.73981000-2499￥17.62532500-4999￥17.49455000-7499￥17.4128≥7500￥17.3310
