參數資料
型號： DS1602S
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： Timer or RTC
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO8
封裝： 0.208 INCH, SOIC-8
文件頁數： 1/10頁
文件大?。?/td> 252K
代理商： DS1602S
1 of 10
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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相關代理商/技術參數
參數描述
DS1602S+ 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1602S+TRL 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1602SN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit
DS1602S-TRL 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1603 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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