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| 型號(hào)： | DS1302SN-16 |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 6/13頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TIMEKEEPER T-CHRG IND 16-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 45 |
| 類(lèi)型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | 閏年，NVSRAM，涓流充電器 |
| 存儲(chǔ)容量： | 31B |
| 時(shí)間格式： | HH:MM:SS（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 3 線串口 |
| 電源電壓： | 2 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 管件 |
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DS1302 Trickle-Charge Timekeeping Chip
2 of 13
DETAILED DESCRIPTION
The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It
communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds,
minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for
months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or
12-hour format with an AM/PM indicator.
Interfacing the DS1302 with a microprocessor is simplified by using synchronous serial communication. Only three
wires are required to communicate with the clock/RAM: CE, I/O (data line), and SCLK (serial clock). Data can be
transferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302 is designed to
operate on very low power and retain data and clock information on less than 1
μW.
The DS1302 is the successor to the DS1202. In addition to the basic timekeeping functions of the DS1202, the
DS1302 has the additional features of dual power pins for primary and backup power supplies, programmable
trickle charger for VCC1, and seven additional bytes of scratchpad memory.
OPERATION
Figure 1 shows the main elements of the serial timekeeper: shift register, control logic, oscillator, real-time clock,
and RAM.
TYPICAL OPERATING CIRCUIT
DS1302
CPU
VCC
V
CC2
SCLK
CE
GND
X2
X1
VCC
I/O
V
CC1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1302SN-16/T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 31BYTE 16SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER T-CHRG IND 16-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock Trickle-Charge Timekeeping Chip |
| DS1302SN-16/T&R | 功能描述:實(shí)時(shí)時(shí)鐘 Trickle-Charge Timekeeping Chip 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1302SNT&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 31BYTE 8SOIC - Tape and Reel |
| DS1302Z | 功能描述:實(shí)時(shí)時(shí)鐘 Trickle-Charge Timekeeping Chip 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1302Z/T&R | 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER T-CHARGE 8-SOIC 制造商:Maxim Integrated Products 功能描述:IC RTC YY-MM-DD 31 X 8 SOIC-8 制造商:Maxim Integrated Products 功能描述:IC, RTC, YY-MM-DD, 31 X 8, SOIC-8 |
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