参数资料
型号: DS1642-100+
厂商: Maxim Integrated Products
文件页数: 1/13页
文件大小: 0K
描述: IC RAM TIMEKEEP NV 100NS 24-EDIP
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
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: 4.5 V ~ 5.5 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: 1432 (CN2011-ZH PDF)
1 of 11
FEATURES
Integrated NV SRAM, Real-Time Clock,
Crystal, Power-Fail Control Circuit, and
Lithium Energy Source
Standard JEDEC Bytewide 2k x 8 Static
RAM Pinout
Clock Registers are Accessed Identically to
the Static RAM. These Registers are
Resident in the Eight Top RAM Locations
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
Access Times of 85ns and 100ns
Quartz Accuracy ±1 Minute a Month at
+25°C, Factory Calibrated
BCD-Coded Year, Month, Date, Day, Hours,
Minutes, and Seconds with Leap Year
Compensation Valid Up to 2100
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
UL Recognized
PIN CONFIGURATION
ORDERING INFORMATION
PART
VOLTAGE
RANGE
(V)
TEMP RANGE
PIN-PACKAGE TOP MARK
DS1642-85+
5.0
0°C to +70°C
24 EDIP (0.720a)
DS1642+85
DS1642-100+
5.0
0°C to +70°C
24 EDIP (0.720a)
DS1642+100
+Denotes a lead(Pb)-free/RoHS-compliant package.
A “+" indicates a lead(Pb)-free product. The top mark will include a “+” symbol on lead-free devices.
DS1642
Nonvolatile Timekeeping RAM
www.maxim-ic.com
VCC
A8
A9
WE
OE
A10
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DS1642
ENCAPSULATED DIP
TOP VIEW
19-5266; Rev 5/10
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相关代理商/技术参数
参数描述
DS1642-100+ 功能描述:实时时钟 NV Timekeeping 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
DS1642-12 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock
DS1642-120 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC-16K CMOS NVRAM
DS1642-15 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock
DS1642-70 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