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參數(shù)資料
| 型號： | DS3232SN# |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC I2C W/TCXO 20-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 45 |
| 類型： | 時鐘/日歷 |
| 特點(diǎn)： | 警報器，閏年，方波輸出，TCXO/晶體 |
| 存儲容量： | 236B |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.3 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1434 (CN2011-ZH PDF) |
Extremely Accurate I2C RTC with
Integrated Crystal and SRAM
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0
9/05
Initial release
—
1
11/05
Changed RoHS note wording for the Ordering Information table
1
Corrected the Ordering Information part numbers
1
Changed the reference of Figure 4 to Table 1 in the AC Electrical Characteristics table
4
Corrected the supply current units from μA to nA and added BSY = 0 to the Supply
Current vs. Supply Voltage graph in the Typical Operating Characteristics
7
2
3/06
Added a sentence about limiting exposure to reflow is 2 times maximum to the
Handling, PC Board Layout, and Assembly section
17
Added the Duty Cycle (Revision A3 Devices) parameter to the Electrical
Characteristics table; added CRATE0 = CRATE1 = 0 conditions to IBAT
3
Changed the
RST pin description to indicate that the pin immediately goes high if
power is applied and the oscillator is disabled
9
Added a paragraph to the Pushbutton Reset Function section about how the
RST output
operation does not affect the device’s internal operation
10
3
10/07
Corrected the date register range for 04h from 00–31 to 01–31 in Figure 1
11
Updated the Typical Operating Circuit
1
Removed the VPU parameter from the Recommended DC Operating Conditions table
and added verbiage about the pullup to the Pin Description table for
INT/SQW, SDA,
and SCL
2, 9
In the Electrical Characteristics table, changed the symbols for Timekeeping Battery
Current, Temperature Conversion Current, and Data-Retention Current from IBAT, ITC,
and IBATTC to IBATT, IBATTC, and IBATTDR, respectively
3
Added the Delta Time and Frequency vs. Temperature graph in the Typical Operating
Characteristics section
7
Updated the Block Diagram
8
Added the VBAT Operation section and improved some sections of text for the Aging
Offset Register and Temperature Registers (11h–12h) sections
10, 15
4
10/08
Updated the I2C timing diagrams (Figures 3, 4, and 5)
17
5
7/10
Amended the VBAT capacitor representation in the Typical Operating Circuit; in the
Absolute Maximum Ratings section, added the theta-JA and theta-JC thermal
resistances and Note 1, and changed the soldering temperature to +260°C; changed
the VBAT pin function description in the Pin Description table; changed the 10-hour bit
to 20-hour bit in the Clock and Calendar section and Figure 1; updated the BBSQW bit
description in the Control Register (0Eh) section; added the land pattern no. to the
Package Information table
1–4, 6, 9, 11,
12, 13, 18
DS3232
19
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical
Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
2010 Maxim Integrated
The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc.
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| DS3232SN# | 功能描述:實(shí)時時鐘 Integrated RTC/TCXO/Crystal 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS3232SN#T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:EXTREMELY ACCURATE I2C RTC 20SOIC W - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC W/TCXO 20-SOIC |
| DS3232SN#T&R | 功能描述:實(shí)時時鐘 Integrated RTC/TCXO/Crystal 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS3232SN#-W | 功能描述:實(shí)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS3234 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM |
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