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Maxim > 方案 > 电缆调制解调器与CATV
实时时钟
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| 显示 |
标题/型号 |
关键优势 |
| QV PDF |
I²C RTC，带有涓流充电器
DS1340, DS1340C
| I²C实时时钟，带有涓流充电器，可通过软件进行校准 |
| QV PDF |
I²C、32位二进制计数器看门狗RTC，带有涓流充电器和复位输入/输出
DS1374, DS1374C, DS1374U
| 历时计数器，提供上电复位、看门狗或闹钟、方波输出 |
| QV PDF |
I²C RTC，带有56字节NV RAM
DS1338, DS1338C, DS1338U, DS1338Z
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| QV PDF |
I²C串行实时时钟
DS1339, DS1339C, DS1339U
| RTC的多种可编程特性为系统提供更多灵活性 |
| QV PDF |
I²C串行实时时钟
DS1337, DS1337C
| 业内尺寸最小的I²C RTC，带有两个定时闹钟 |
| QV PDF |
历时记录器，带有闹钟功能
DS1682
| 业内首款非晶振历时计数器 |
| QV PDF |
实时事件记录器
DS1678
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| QV PDF |
便携系统控制器
DS1677
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| QV PDF |
便携系统控制器
DS1673
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| QV PDF |
I²C、32位二进制计数RTC
DS1672
| 低电压串行时钟芯片，内部包括超低电压时钟、电源监视电路、电源失效开关和涓流充电选项，单一芯片可替代多个分立元件 |
| QV PDF |
便携系统控制器
DS1670
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| Key Specifications:
Timekeeping & Real-Time Clocks |
| Part Number |
Functions |
Time Format (hh = sec/100) |
Date Format |
Interface |
Supply Voltage (V) |
Time- keeping Current (typ) (nA) |
CL, Load Capacitance (pF) |
Memory Type |
Memory Size (Bytes) |
Number of Time of Day Alarms |
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DS1340
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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1.8
3
3.3
5
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800
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12.5
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None
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-
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0
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DS1374
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Binary
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Binary
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I2C
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1.8
3
3.3
5
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400
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6
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None
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-
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1
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DS1338
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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1.8
3
3.3
5
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800
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12.5
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NV SRAM
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56
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0
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DS1339
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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2
3
3.3
5
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400
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6
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None
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-
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2
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DS1337
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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2
3
3.3
5
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425
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6
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None
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-
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2
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DS1670
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HH:MM:SS
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YY-MM-DD
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3-Wire
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3.3
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300
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6
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None
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-
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1
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DS1672
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Binary
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Binary
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I2C
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2
3
3.3
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425
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6
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None
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-
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0
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DS1673
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HH:MM:SS
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YY-MM-DD
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3-Wire
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3
5
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300
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6
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None
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-
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1
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DS1677
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HH:MM:SS
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YY-MM-DD
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3-Wire
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5
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300
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6
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None
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-
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1
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DS1682
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| • | Time/Temperature/Event Recorder |
|
Binary
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Binary
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I2C
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3
3.3
5
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-
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-
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EEPROM
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10
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1
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DS1678
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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5
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300
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12.5
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None
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-
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1
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| See All Timekeeping & Real-Time Clocks (86) |
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法律声明
© 2008 Maxim Integrated Products, Dallas Semiconductor版权所有
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