实时时钟

制造商 系列 封装/外壳 包装 产品状态 可编程 类型 特性 存储容量 时间格式 日期格式 接口 电压 - 电源 电压 - 电源,电池 电流 - 时间保持(最大) 工作温度 安装类型 等级 认证 供应商设备封装

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图片 制造商料号 库存情况 价格 数量 数据手册 系列 封装/外壳 包装 产品状态 可编程 类型 特性 存储容量 时间格式 日期格式 接口 电压 - 电源 电压 - 电源,电池 电流 - 时间保持(最大) 工作温度 安装类型 等级 认证 供应商设备封装
BQ4845YP-A4

BQ4845YP-A4

IC RTC CLK/CALENDAR PAR 28DIP

Texas Instruments

0
BQ4845YP-A4数据手册 - 28-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole - - 28-PDIP
BQ4845YP-A4E3

BQ4845YP-A4E3

IC RTC CLK/CALENDAR PAR 28DIP

Texas Instruments

0
BQ4845YP-A4E3数据手册 - 28-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole - - 28-PDIP
RTC-4543SA:A0

RTC-4543SA:A0

IC RTC CLK/CALENDAR SER 14SOP

EPSON

0
RTC-4543SA:A0数据手册 - 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 2.5V ~ 5.5V - 1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
DS3231S

DS3231S

IC RTC CLK/CALENDAR I2C 16SOIC

Analog Devices Inc./Maxim Integrated

0
DS3231S数据手册 - 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.3V ~ 5.5V 2.3V ~ 5.5V 110µA ~ 170µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount - - 16-SOIC
DS3231S/T&R

DS3231S/T&R

IC RTC CLK/CALENDAR I2C 16SOIC

Analog Devices Inc./Maxim Integrated

0
DS3231S/T&R数据手册 - 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.3V ~ 5.5V 2.3V ~ 5.5V 110µA ~ 170µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount - - 16-SOIC
RTC-4543SA:A3 ROHS

RTC-4543SA:A3 ROHS

IC RTC CLK/CALENDAR SER 14SOP

EPSON

0
RTC-4543SA:A3 ROHS数据手册 RTC-4543SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar - - - YY-MM-DD 3-Wire Serial 2.5V ~ 5.5V - 1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RTC-4543SA:A0:PURE SN

RTC-4543SA:A0:PURE SN

IC RTC CLK/CALENDAR SER 14SOP

EPSON

0
RTC-4543SA:A0:PURE SN数据手册 RTC-4543SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar - - - - 3-Wire Serial 2.5V ~ 5.5V - 1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
DS1343D-33+

DS1343D-33+

IC RTC CLK/CALENDAR SPI 14TDFN

Analog Devices Inc./Maxim Integrated

0
DS1343D-33+数据手册 - 14-WFDFN Exposed Pad Tube Active Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 5.5V 1.3V ~ 5.5V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-TDFN (3x3)
1337GCSRI

1337GCSRI

IC RTC CLK/CALENDAR I2C 16SOIC

Renesas Electronics Corporation

0
1337GCSRI数据手册 - 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.6µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 16-SOIC
DS1339C-33

DS1339C-33

IC RTC CLK/CALENDAR I2C 16SOIC

Analog Devices Inc./Maxim Integrated

0
DS1339C-33数据手册 - 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.97V ~ 5.5V 1.3V ~ 3.7V 200µA @ 5.5V -40°C ~ 85°C Surface Mount - - 16-SOIC
RX-8581SA:B3:ROHS

RX-8581SA:B3:ROHS

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8581SA:B3:ROHS数据手册 RX-8581SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.8µA ~ 1.2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RX-8581SA:B3:PURE SN

RX-8581SA:B3:PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8581SA:B3:PURE SN数据手册 RX-8581SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm - - - I2C 1.8V ~ 5.5V - 0.8µA ~ 1.2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RX6110SA BX PURE SN

RX6110SA BX PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX6110SA BX PURE SN数据手册 RX6110SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, RAM 16B HH:MM:SS YY-MM-DD I2C, SPI 1.6V ~ 5.5V 1.1V ~ 5.5V 2.1µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
DS1374C-18#

DS1374C-18#

IC RTC BINARY COUNTER I2C 16SOIC

Analog Devices Inc./Maxim Integrated

0
DS1374C-18#数据手册 - 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Binary Counter Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer - Binary Binary I2C, 2-Wire Serial 1.71V ~ 1.89V 1.3V ~ 3.7V 100µA @ 1.71V ~ 1.89V -40°C ~ 85°C Surface Mount - - 16-SOIC
RX-4803SA:UB PURE SN

RX-4803SA:UB PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

0
RX-4803SA:UB PURE SN数据手册 RX-4803SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RX-8803SA:UB PURE SN

RX-8803SA:UB PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8803SA:UB PURE SN数据手册 RX-8803SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm - HH:MM:SS YY-MM-DD I2C 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RX-8803SA:UC PURE SN

RX-8803SA:UC PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8803SA:UC PURE SN数据手册 RX-8803SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm - HH:MM:SS YY-MM-DD I2C 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
M41T94MH6E

M41T94MH6E

IC RTC CLK/CALENDAR SPI 28SOH

STMicroelectronics

0
M41T94MH6E数据手册 - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7V ~ 5.5V 2.5V ~ 3.5V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
RX-8025SA:AA PURE SN

RX-8025SA:AA PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8025SA:AA PURE SN数据手册 RX-8025SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.7V ~ 5.5V - 1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RX-8025SA:AC PURE SN

RX-8025SA:AC PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0
RX-8025SA:AC PURE SN数据手册 RX-8025SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.7V ~ 5.5V - 1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
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实时时钟 产品与选型指南

实时时钟 广泛应用于工业控制、汽车电子、通信设备、消费电子、新能源及其他电子系统。我们提供多品牌、多封装及不同规格的相关产品,方便工程师、采购人员和研发团队进行型号筛选、参数比较和采购询价。

您可以根据制造商、关键参数、库存情况及 Datasheet 信息筛选适合的 实时时钟。如暂时没有找到完全匹配的型号,也可以提交询价,我们将协助确认库存、交期以及可替代型号。

FAQ

如何选择合适的 实时时钟?

建议先确认电气参数、封装、工作温度、应用环境以及品牌要求,再结合库存和交期进行筛选。

页面上的库存信息是否可以直接采购?

库存会随供应情况变化。对于项目采购或批量需求,建议提交询价,以便进一步确认实时库存、价格和交期。

找不到指定型号怎么办?

您可以提交型号和数量需求,我们可以协助查询缺货型号,并根据参数提供可替代型号建议。

是否可以提供 Datasheet 和技术资料?

可以。产品列表中的 Datasheet 链接可用于查看相关技术资料;如资料暂缺,也可以联系我们协助查找。

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