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首页 全部商品 category.集成电路IC category.RTCs（实时时钟）

类别是'category.RTCs（实时时钟）' (3750)

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对比

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产品型号

品牌

数据表

库存

价格(含增值税)

数量

Rohs

安装类型

包装/外壳

供应商器件包装

操作温度

包装

零件状态

湿度敏感性等级(MSL)

类型

电压 - 供电

界面

内存大小

时间格式

日期格式

最大计时电流

电压 - 供电，电池

特征

RoHS状态
BQ4845YS-A4TR
BQ4845YS-A4TR
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

28-SOIC (0.295, 7.50mm Width)

28-SOIC

0°C~70°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

4.5V~5.5V

Parallel

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

1.5mA Typ @ 4.5 V~5.5 V

2.3V~4V

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 BQ3285ESTR
BQ3285ESTR
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

24-SOIC (0.295, 7.50mm Width)

24-SOIC

0°C~70°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

4.5V~5.5V

Parallel

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

300μA @ 5V

2.5V~4V

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

ROHS3 Compliant

 BQ3285LDSSTR
BQ3285LDSSTR
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

24-SSOP (0.154, 3.90mm Width)

24-SSOP/QSOP

0°C~70°C

Tape & Reel (TR)

Obsolete

2 (1 Year)

Clock/Calendar

2.7V~5.5V

Parallel

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

100μA @ 3V

2.4V~4V

Alarm, Daylight Savings, NVSRAM

ROHS3 Compliant

 DS1302SN
DS1302SN
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.209, 5.30mm Width)

8-SO

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

2V~5.5V

3-Wire Serial

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

0.3μA~1μA @ 2V~5V

2V~5.5V

Leap Year, NVSRAM, Trickle-Charger

Non-RoHS Compliant

 ISL12028IV27Z
ISL12028IV27Z
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-TSSOP (0.173, 4.40mm Width)

14-TSSOP

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12028IV27Z-T
ISL12028IV27Z-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-TSSOP (0.173, 4.40mm Width)

14-TSSOP

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IV30AZ
ISL12027IV30AZ
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-TSSOP (0.173, 4.40mm Width)

8-TSSOP

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12028IBZ
ISL12028IBZ
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-SOIC (0.154, 3.90mm Width)

14-SOIC

-40°C~85°C

Tube

Obsolete

2 (1 Year)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IV27AZ-T
ISL12027IV27AZ-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-TSSOP (0.173, 4.40mm Width)

8-TSSOP

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IB30AZ-T
ISL12027IB30AZ-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IVZ-T
ISL12027IVZ-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-TSSOP (0.173, 4.40mm Width)

8-TSSOP

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IB27AZ
ISL12027IB27AZ
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12029IB27Z-T
ISL12029IB27Z-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-SOIC (0.154, 3.90mm Width)

14-SOIC

-40°C~85°C

Tape & Reel (TR)

Obsolete

2 (1 Year)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12027IBZ
ISL12027IBZ
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 ISL12028IBZ-T
ISL12028IBZ-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-SOIC (0.154, 3.90mm Width)

14-SOIC

-40°C~85°C

Tape & Reel (TR)

Obsolete

2 (1 Year)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Watchdog Timer

ROHS3 Compliant

 DS1672S-33
DS1672S-33
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

二进制计数器

2.97V~3.63V

I2C, 2-Wire Serial

Binary

Binary

500μA @ 3.63V

1.3V~3.63V

Trickle-Charger

Non-RoHS Compliant

 DS1302ZN/T&R
DS1302ZN/T&R
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2V~5.5V

3-Wire Serial

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

0.3μA~1μA @ 2V~5V

2V~5.5V

Leap Year, NVSRAM, Trickle-Charger

Non-RoHS Compliant

 DS1338U-33/T&R
DS1338U-33/T&R
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

8-uMAX

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

3V~5.5V

I2C, 2-Wire Serial

56B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

125μA~200μA @ 3.63V~5.5V

1.3V~3.7V

Leap Year, NVSRAM, Square Wave Output

Non-RoHS Compliant

 PCF8563T/F4,112
PCF8563T/F4,112
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SO

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

1.8V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (24 hr)

YY-MM-DD-dd

0.6μA~0.75μA @ 2V~5V

Alarm, Leap Year, Watchdog Timer

ROHS3 Compliant

 ISL12025IBZ-T
ISL12025IBZ-T
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

8-SOIC (0.154, 3.90mm Width)

8-SOIC

-40°C~85°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

Clock/Calendar

2.7V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

10μA~20μA @ 2.7V~5.5V

1.8V~5.5V

Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer

ROHS3 Compliant

 PCF8523TS/1,112
PCF8523TS/1,112
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

14-TSSOP (0.173, 4.40mm Width)

14-TSSOP

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

Clock/Calendar

1.6V~5.5V

I2C, 2-Wire Serial

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

0.5μA @ 2V~5V

1.8V~5.5V

Alarm, Leap Year, Watchdog Timer

ROHS3 Compliant

 DS2417P
DS2417P
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

6-LSOJ (0.148, 3.76mm Width)

6-TSOC

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

二进制计数器

2.5V~5.5V

1-Wire® Serial

Binary

Binary

0.45μA @ 2.5V~5.5V

唯一 ID

Non-RoHS Compliant

 DS1315SN-33
DS1315SN-33
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

16-SOIC (0.295, 7.50mm Width)

16-SOIC

-40°C~85°C

Tube

Obsolete

3 (168 Hours)

幻影时间芯片

3V~3.6V

Parallel

HH:MM:SS:hh (12/24 hr)

YY-MM-DD-dd

1.1mA @ 3.3V

2.5V~3.7V

Leap Year

Non-RoHS Compliant

 DS1315EN-5
DS1315EN-5
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

20-TSSOP (0.173, 4.40mm Width)

20-TSSOP

-40°C~85°C

Tube

Obsolete

1 (Unlimited)

幻影时间芯片

4.5V~5.5V

Parallel

HH:MM:SS:hh (12/24 hr)

YY-MM-DD-dd

1.3mA @ 5V

2.5V~3.7V

Leap Year

Non-RoHS Compliant

 DS1315S-33
DS1315S-33
 Rochester Electronics, LLC 数据表

N/A

-

最小起订量: 1

最小包装量: 1

表面贴装

16-SOIC (0.295, 7.50mm Width)

16-SOIC

0°C~70°C

Tube

Obsolete

3 (168 Hours)

幻影时间芯片

3V~3.6V

Parallel

HH:MM:SS:hh (12/24 hr)

YY-MM-DD-dd

1.1mA @ 3.3V

2.5V~3.7V

Leap Year

Non-RoHS Compliant