参数资料
型号: DS1742W-150+
厂商: Maxim Integrated Products
文件页数: 1/17页
文件大小: 0K
描述: IC RTC RAM Y2K 3.3V 150NS 24EDIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 14
类型: 时钟/日历
特点: 闰年,NVSRAM,Y2K
存储容量: 2KB
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 2.97 V ~ 3.63 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 24-DIP 模块(0.600",15.24mm)
供应商设备封装: 24-EDIP
包装: 管件
产品目录页面: 1434 (CN2011-ZH PDF)
1 of 17
19-6715; Rev 6/13
FEATURES
Integrated NV SRAM, Real-Time Clock,
Crystal, Power-Fail Control Circuit and
Lithium Energy Source
Clock Registers are Accessed Identically to
the Static RAM; These Registers are
Resident in the Eight Top RAM Locations
Century Byte Register
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
BCD Coded Century, Year, Month, Date,
Day, Hours, Minutes, and Seconds with
Automatic Leap Year Compensation Valid
Up to the year 2100
Battery Voltage Level Indicator Flag
Power-Fail Write Protection Allows for ±10%
VCC Power Supply Tolerance
Lithium Energy Source is Electrically
Disconnected to Retain Freshness until
Power is Applied for the First Time
Standard JEDEC Bytewide 2k x 8 Static
RAM Pinout
Quartz Accuracy ±1 Minute a Month at
+25°C, Factory Calibrated
Underwriters Laboratories (UL) Recognized
PIN CONFIGURATION
ORDERING INFORMATION
PART
VOLTAGE (V)
TEMP RANGE
PIN-PACKAGE
TOP MARK**
DS1742-85+
5.0
0°C to +70°C
24 EDIP (0.740a)
DS1742-85+
DS1742-100+
5.0
0°C to +70°C
24 EDIP (0.740a)
DS1742-100+
DS1742-100IND+
5.0
-40°C to +85°C
24 EDIP (0.740a)
DS1742-100IND+
DS1742W-120+
3.3
0°C to +70°C
24 EDIP (0.740a)
DS1742W-120+
DS1742W-150+
3.3
0°C to +70°C
24 EDIP (0.740a)
DS1742W-150+
+Denotes a lead(Pb)-free/RoHS-compliant device.
**The top mark will include a “+” on lead(Pb)-free devices.
VCC
A8
A9
WE
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
1
2
3
4
5
6
7
8
9
10
11
12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
24
23
22
21
20
19
18
17
16
15
14
13
DS1742
ENCAPSULATED DIP
TOP VIEW
DS1742
Y2KC Nonvolatile Timekeeping RAM
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相关代理商/技术参数
参数描述
DS1742W-150+ 功能描述:实时时钟 Timekeeping 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
DS1743 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Y2K-Compliant, Nonvolatile Timekeeping
DS1743-100 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
DS1743-100 IND 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
DS1743-100+ 功能描述:实时时钟 Timekeeping 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