参数资料
型号: DS1305E/T&R
厂商: Maxim Integrated Products
文件页数: 8/22页
文件大小: 0K
描述: IC RTC SERIAL ALARM 20-TSSOP
标准包装: 2,500
类型: 时钟/日历
特点: 警报器,闰年,NVSRAM,涓流充电器
存储容量: 96B
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: SPI
电源电压: 2 V ~ 5.5 V
电压 - 电源,电池: 2 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
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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