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参数资料
| 型号： | DS14285QN |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Timer or RTC |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 9/25页 |
| 文件大小： | 303K |
| 代理商： | DS14285QN |
DS14285/DS14287
17 of 25
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
-0.5V to +7.0V
Storage Temperature
-40°C to +85°C
Soldering Temperature
DIP: 260°C for 10 seconds (See Note 12)
See IPC/JEDEC Standard J-STD-020A for Surface Mount
Devices
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
Operating Range
Range
Temperature
Vcc
Commercial
0°C to +70°C
5V ±10%
Industrial
-40°C to +85°C
5V ±10%
RECOMMENDED DC OPERATING CONDITIONS Over the operating range
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Voltage
VCC
4.5
5.0
5.5
V
1
Battery Voltage
Vbat
2.5
3.6
V
1
Input Logic 1
VIH
2.2
VCC+0.3
V
1
Input Logic 0
VIL
-0.3
+0.8
V
1
DC ELECTRICAL CHARACTERISTICS Over the operating range
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Current
ICC1
715
mA
2
Oscillator Current
IOSC
300
500
nA
Input Leakage
IIL
-1.0
+1.0
A
3
I/O Leakage
ILO
-1.0
+1.0
A
5
MOT Input Current
IMOT
-1.0
+500
A
3
CEI
Input Current
I CEI
-1.0
200
A
4
CEI
to CEO Impedance
ZCE
60
11
Output @ 2.4V
IOH
-1.0
mA
1, 6
Output @ 0.4V
IOL
4.0
mA
1
Write-Protect Voltage
VTP
4.0
4.25
4.5
V
VCCO Voltage
VCCO1
VCC-0.3V
V
7
VCCO Voltage
VCCO2
VBAT-0.3V
V
8
CAPACITANCE
(tA = 25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CIN
5pF
Output Capacitance
COUT
7pF
相关PDF资料 |
PDF描述 |
|---|---|
| DS14285S | 1 TIMER(S), REAL TIME CLOCK, PDSO24 |
| DS14285N | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| DS14285SN | 1 TIMER(S), REAL TIME CLOCK, PDSO24 |
| DS14285Q | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
| DS14285 | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS14285QN+ | 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 |
| DS14285S | 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 |
| DS14285S/T&R | 制造商:Maxim Integrated Products 功能描述:IC RTC W/NV RAM CNTRL 24-SOIC |
| DS14285S/T&R | 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 |
| DS14285S/TR | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Real-Time Clock with NV RAM |
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