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| 型号： | DS1338C-3# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC RTC 56BIT NV SRAM 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 45 |
| 类型： | 时钟/日历 |
| 特点： | 闰年，NVSRAM，方波输出 |
| 存储容量： | 56B |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 电压 - 电源，电池： | 1.3 V ~ 3.7 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 1433 (CN2011-ZH PDF) |
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GENERAL DESCRIPTION
The DS1338 serial real-time clock (RTC) is a low-
power,
full
binary-coded
decimal
(BCD)
clock/calendar plus 56 bytes of NV SRAM. Address
and data are transferred serially through an I2C
interface. The 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
AM/PM indicator. The DS1338 has a built-in power-
sense circuit that detects power failures and
automatically switches to the backup supply,
maintaining time and date operation
APPLICATIONS
Handhelds (GPS, POS Terminal)
Consumer Electronics (Set-Top Box, Digital
Recording, Network Appliance)
Office Equipment (Fax/Printer, Copier)
Medical (Glucometer, Medicine Dispenser)
Telecommunications (Router, Switcher, Server)
Other (Utility Meter, Vending Machine, Thermostat,
Modem)
TYPICAL OPERATING CIRCUIT
FEATURES
RTC Counts Seconds, Minutes, Hours, Date
of the Month, Month, Day of the Week, and
Year with Leap-Year Compensation Valid Up
to 2100
Available in a Surface-Mount Package with an
Integrated Crystal (DS1338C)
56-Byte Battery-Backed General-Purpose
RAM with Unlimited Writes
I2C Serial Interface
Programmable Square-Wave Output Signal
Automatic Power-Fail Detect and Switch
Circuitry
-40°C to +85°C Operating Temperature Range
Underwriters Laboratories (UL) Recognized
ORDERING INFORMATION
PART
TEMP RANGE
PIN-PACKAGE
TOP MARK
DS1338Z-18+
-40°C to +85°C
8 SO (0.150″)
DS1338-18
DS1338Z-3+
-40°C to +85°C
8 SO (0.150″)
DS1338-3
DS1338Z-33+
-40°C to +85°C
8 SO (0.150″)
DS133833
DS1338U-18+
-40°C to +85°C
8 SOP
1338
rr-18
DS1338U-3+
-40°C to +85°C
8 SOP
1338
rr-3
DS1338U-33+
-40°C to +85°C
8 SOP
1338
rr-33
DS1338C-18#
-40°C to +85°C
16 SO (0.300″)
DS1338C-18
DS1338C-3#
-40°C to +85°C
16 SO (0.300″)
DS1338C-3
DS1338C-33#
-40°C to +85°C
16 SO (0.300″)
DS1338C-33
rr = second line, revision level
+ Denotes a lead(Pb)-free/RoHS-compliant device.
# Denotes a RoHS-compliant device that may include lead that is
exempt under the RoHS requirements. The lead finish is JESD97
category e3, and is compatible with both lead-based and lead-free
soldering processes.
A “+” anywhere on the top mark denotes a lead-free device. A “#”
denotes a RoHS-compliant device.
Pin Configurations appear at end of data sheet.
DS1338
CPU
VCC
SDA
SCL
GND
X2
X1
VCC
RPU
CRYSTAL
SQW/OUT
VBAT
i
R
PU = tr/Cb
DS1338
I2C RTC with 56-Byte NV RAM
19-6019; Rev 3/12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1338C-3# | 功能描述:实时时钟 I2C Serial RTC w/56 Byte NV RAM 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 |
| DS1338C-3+ | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 56BYTE 16SOIC - Bulk |
| DS1338C-33 | 功能描述:实时时钟 I2C Serial RTC w/56 Byte NV RAM 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 |
| DS1338C-33# | 功能描述:实时时钟 I2C Serial RTC w/56 Byte NV RAM 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 |
| DS1338C-33#T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 56BYTE 16SOIC W - Tape and Reel 制造商:Maxim Integrated Products 功能描述:RTC WITH 56-BYTE NV RAM 制造商:Maxim Integrated Products 功能描述:IC RTC 56BYTE NV SRAM 16SOIC 制造商:Maxim Integrated Products 功能描述:IC RTC 56BIT NV SRAM 16-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C Serial RTC w/56 Byte NV RAM |
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