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参数资料
| 型号： | DS1602S+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC COUNTER ELAPSED TIME 5V 8SOIC |
| 标准包装： | 88 |
| 类型： | 耗用时间计数器 |
| 时间格式： | 二进制 |
| 数据格式： | 二进制 |
| 接口： | 3 线串口 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电压 - 电源，电池： | 2.5 V ~ 3.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
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093002
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
§ Two 32-bit counters keep track of real-time
and elapsed time
§ Counters keep track of seconds for over 125
years
§ Battery powered counter counts seconds from
the time battery is attached until VBAT is less
than 2.5V
§ VCC powered counter counts seconds while
VCC is above VTP and retains the count in the
absence of VCC under battery backup power
§ Clear function resets selected counter to 0
§ Read/write serial port affords low pin count
§ Maximum current drain of less than 1 A
from VBAT pin when serial port is disabled
§ One byte protocol defines read/write, counter
address and software clear function
§ 8-pin DIP or optional 8-pin SOIC
§ Operating temperature range of -40°C to
+85°C
§ Reduced performance operation down to
VCC = 2.5V
§ Underwriters Laboratory (UL) recognized
PIN ASSIGNMENT
Package Dimension Information
PIN DESCRIPTION
RST
- Reset
CLK
- Clock
DQ
- Data Input/Output
GND
- Ground
X1, X2
- Crystal Inputs
VBAT
- + Battery Input
VCC
- +5V
DESCRIPTION
The DS1602 is a real-time clock/elapsed time counter designed to count seconds when VCC power is
applied and continually count seconds under battery backup power with an additional counter regardless
of the condition of VCC. The continuous counter can be used to derive time of day, week, month, and year
by using a software algorithm. The VCC powered counter will automatically record the amount of time
that VCC power is applied. This function is particularly useful in determining the operational time of
equipment in which the DS1602 is used. Alternatively, this counter can also be used under software
control to record real-time eve nts. Communication to and from the DS1602 takes place via a 3-wire serial
port. A 1-byte protocol selects read/ write functions, counter clear functions and oscillator trim. A low
cost 32.768kHz crystal attaches directly to the X1 and X2 pins. If battery powered-only operation is
desired, the VBAT pin must be grounded and the VCC pin must be connected to the battery.
DS1602
VCC
VBAT
X1
X2
RST
DQ
CLK
GND
1
2
3
4
8
7
6
5
DS1602
RST
DQ
CLK
GND
VCC
VBAT
X1
X2
1
2
3
4
8
7
6
5
DS1602
Elapsed Time Counter
www.maxim-ic.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1602S+ | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1602S+TRL | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1602SN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Timer Circuit |
| DS1602S-TRL | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1603 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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