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参数资料
| 型号： | DS1642-70+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC RAM TIMEKEEP NV 70NS 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 |
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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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PDF描述 |
|---|---|
| DS1643P-70+ | IC RAM TIMEKEEP NV 70NS 34-PCM |
| DS1644P-120 | IC RAM TIMEKEEP NV 120NS 34-PCM |
| DS1646-120+ | IC RAM TIMEKEEP NV 120NS 32-EDIP |
| DS1647P-120 | IC RAM TIMEKEEP NV 120NS 34-PCM |
| DS1670S | IC CTRLR SYSTEM PORTABLE 20-SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| DS1642-85 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK PARALLEL 2KBYTE 24PIN EDIP - Bulk |
| DS1642-85+ | 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 |
| DS-1642ZJ | 制造商:Hikvision USA 功能描述:6" Outdoor Speed Dome Bracket, White, Ceiling Mount Bracket |
| DS1643 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Nonvolatile Timekeeping RAMs |
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