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参数资料
| 型号： | DS1744P-70+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC RTC RAM Y2K 5V 70NS 34-PCM |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 40 |
| 类型： | 时钟/日历 |
| 特点： | 闰年，NVSRAM，Y2K |
| 存储容量： | 32KB |
| 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 |
| 电压 - 电源，电池： | 3V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 34-PowerCap? 模块 |
| 供应商设备封装： | 34-PowerCap 模块 |
| 包装： | 管件 |
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
8 of 16
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
5.5V Version…………………………..………………………………..…………………………...-0.3V to +6.0V
3.3V Version………………………………………………………………………………………...-0.3V to +4.6V
Storage Temperature Range
EDIP..........................……………………..………………………………………………………...-40°C to +85°C
PowerCap..................……………………..……………………………………………………….-55°C to +125°C
Lead Temperature (soldering, 10s)……….................................................................………………………………..+260°C
Note: EDIP is hand or wave-soldered only.
Soldering Temperature (reflow, PowerCap).................................................................................................................+260°C
This is a stress rating only and functional operation of the device at these or any other condition beyond those indicated in the operation sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.
OPERATING RANGE
RANGE
TEMP RANGE
VCC
Commercial
0°C to +70°C, Noncondensing
3.3V ±10% or 5V±10%
Industrial
-40°C to +85°C, Noncondesnsing
3.3V ±10% or 5V±10%
RECOMMENDED DC OPERATING CONDITIONS
(TA = Over the operating range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Logic 1 Voltage (All Inputs)
VCC = 5V ±10%
VCC = 3.3V ±10%
VIH
2.2
VCC + 0.3V
V
1
VIH
2.0
VCC + 0.3V
V
1
Logic 0 Voltage (All Inputs)
VCC = 5V ±10%
VCC = 3.3V ±10%
VIL
-0.3
0.8
V
1
VIL
-0.3
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V ±10%, TA = Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Active Supply Current
ICC
75
mA
2, 3, 10
TTL Standby Current
( CE = VIH)
ICC1
6
mA
2, 3
CMOS Standby Current
( CE ≥ VCC - 0.2V)
Icc2
4
mA
2, 3
Input Leakage Current (Any
Input)
IIL
-1
+1
A
Output Leakage Current
(Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.50
V
1
Battery Switchover Voltage
VSO
VBAT
1, 4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1744P-70+ | 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 |
| DS1744P-70IND | 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 |
| DS1744P-70IND+ | 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 |
| DS1744W120 | 制造商:Maxim Integrated Products 功能描述: |
| DS1744W-120 | 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 |
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