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DS1305
16 of 22
DC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage
ILI
-100
+500
A
Output Leakage
ILO
-1
1
A
IOL= 1.5mA
VCC = 2.0V
0.4
Logic 0
Output
IOL = 4.0mA
VOL
VCC = 5V
0.4
V
IOH = -0.4mA
VCCIF = 2.0V
1.6
Logic 1
Output
IOH = -1.0mA
VOH
VCCIF = 5V
2.4
V
VCC1 = 2.0V
0.425
VCC1 Active Supply Current
ICC1A
VCC1 = 5V
1.28
mA
2, 8
VCC1 = 2.0V
25.3
VCC1 Timekeeping Current
(Osc on)
ICC1T
VCC1 = 5V
81
μA
1, 8, 12
VCC1 = 2.0V
25
VCC1 Standby Current
(Osc off)
ICC1S
VCC1 = 5V
80
μA
6, 8, 12
VCC2 = 2.0V
0.4
VCC2 Active Supply Current
ICC2A
VCC2 = 5V
1.2
mA
2, 9
VCC2 = 2.0V
0.3
VCC2 Timekeeping Current
(Osc on)
ICC2T
VCC2 = 5V
1
A
1, 9, 12
VCC2 = 2.0V
200
VCC2 Standby Current
(Osc off)
ICC2S
VCC2 = 5V
200
nA
6, 9, 12
Battery Timekeeping Current
IBAT
VBAT = 3V
400
nA
10, 12
Battery Standby Current
IBATS
VBAT = 3V
200
nA
10, 12
VCC Trip Point
VCCTP
VBAT - 50
VBAT +
200
mV
R1
2
R2
4
Trickle Charge Resistors
R3
8
k
Trickle Charge Diode
Voltage Drop
VTD
0.7
V
CAPACITANCE
(TA = +25C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CI
10
pF
Output Capacitance
CO
15
pF
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相关代理商/技术参数
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DS1305E+ 功能描述:实时时钟 Serial Alarm RTC 3-Wire 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
DS1305E+R 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Serial Alarm Real-Time Clock
DS1305E+T 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Serial Alarm Real-Time Clock
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DS1305E+T&R 功能描述:实时时钟 Serial Alarm RTC 3-Wire 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
DS1305E+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Serial Alarm Real-Time Clock
DS1305EN 功能描述:实时时钟 Serial Alarm RTC 3-Wire 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