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: 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: 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: 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 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: 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: 实时时钟外设,Intersil45685-49¥33.204650-199¥31.7856200-499¥30.9910500-999¥30.79231000-2499¥30.59362500-4999¥30.36665000-7499¥30.2247≥7500¥30.0828
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品类: 实时时钟芯片描述: MAXIM INTEGRATED PRODUCTS DS1682S+T&R 芯片, 实时时钟23625-49¥34.281050-199¥32.8160200-499¥31.9956500-999¥31.79051000-2499¥31.58542500-4999¥31.35105000-7499¥31.2045≥7500¥31.0580
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品类: 实时时钟芯片描述: MAXIM INTEGRATED PRODUCTS DS1302Z+T&R 芯片, 实时时钟21155-24¥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: MAXIM INTEGRATED PRODUCTS DS1340Z-33+ 芯片, 实时时钟, BCD, SOIC-817575-49¥24.055250-199¥23.0272200-499¥22.4515500-999¥22.30761000-2499¥22.16372500-4999¥21.99925000-7499¥21.8964≥7500¥21.7936
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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)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
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品类: 实时时钟芯片描述: STMICROELECTRONICS M41T00M6F 芯片, 实时时钟/日历, 二进制, SOIC-837595-49¥12.144650-199¥11.6256200-499¥11.3350500-999¥11.26231000-2499¥11.18962500-4999¥11.10665000-7499¥11.0547≥7500¥11.0028
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品类: 实时时钟芯片描述: I²C RTC ,带有涓流充电器 I2C RTC with Trickle Charger91265-49¥15.876950-199¥15.1984200-499¥14.8184500-999¥14.72351000-2499¥14.62852500-4999¥14.51995000-7499¥14.4521≥7500¥14.3842
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品类: 实时时钟芯片描述: 实时时钟-RTC-IC-时钟-日历-I²C-2-线串口-8-SOIC(0.154"-3.90mm-宽)812510-99¥6.5280100-499¥6.2016500-999¥5.98401000-1999¥5.97312000-4999¥5.92965000-7499¥5.87527500-9999¥5.8317≥10000¥5.8099
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品类: 实时时钟芯片描述: 8字节用户SRAM,无铅64155-49¥11.934050-199¥11.4240200-499¥11.1384500-999¥11.06701000-2499¥10.99562500-4999¥10.91405000-7499¥10.8630≥7500¥10.8120
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品类: 实时时钟芯片描述: Real Time Clock Serial 8Pin SOIC N53995-24¥5.845525-49¥5.412550-99¥5.1094100-499¥4.9795500-2499¥4.89292500-4999¥4.78475000-9999¥4.7414≥10000¥4.6764
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品类: 实时时钟芯片描述: 实时时钟/日历与EEPROM Real Time Clock/Calendar with EEPROM11985-49¥29.460650-199¥28.2016200-499¥27.4966500-999¥27.32031000-2499¥27.14402500-4999¥26.94265000-7499¥26.8167≥7500¥26.6908