参数资料
型号: DS17485SN-5+
厂商: Maxim Integrated Products
文件页数: 12/31页
文件大小: 0K
描述: IC RTC 5V 4K NV RAM 24-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 31
类型: 时钟/日历
特点: 警报器,夏令时,闰年,NVSRAM,方波输出
存储容量: 4KB
时间格式: HH:MM:SS(12/24 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: 2.5 V ~ 3.7 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
2
_____________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS
(VCC = +4.5V to +5.5V, or VCC = +2.7V to +3.7V, TA = Over the operating temperature range, unless otherwise noted. Typical
values are with TA = +25°C, VCC = 5.0V or 3.0V and VBAT = 3.0V, unless otherwise noted.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage Range on VCC Pin Relative to Ground ....-0.3V to +6.0V
Operating Temperature Range (Noncondensing)
Commercial.........................................................0°C to +70°C
Industrial ..........................................................-40°C to +85°C
Storage Temperature Range
EDIP .................................................................-40°C to +85°C
PDIP, SO, TSOP.............................................-55°C to +125°C
Lead Temperature (soldering, 10s) .................................+260°C
(Note: EDIP is hand or wave-soldered only.)
Soldering Temperature (reflow) .......................................+260°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
(-5)
4.5
5.0
5.5
Supply Voltage (Note 3)
VCC
(-3)
2.7
3.0
3.7
V
VBAT Input Voltage
VBAT
(Note 3)
2.5
3.0
3.7
V
(-5)
2.5
3.0
5.2
VBAUX Input Voltage (Note 3)
VBAUX
(-3)
3.7
V
(-5)
2.2
VCC +
0.3
Input Logic 1 (Note 3)
VIH
(-3)
2.0
VCC +
0.3
V
(-5)
-0.3
+0.8
Input Logic 0 (Note 3)
VIL
(-3)
-0.3
+0.6
V
(-5)
25
50
VCC Power-Supply Current
(Note 4)
ICC1
(-3)
15
30
mA
(-5)
1.0
3.0
VCC Standby Current (Notes 4, 5)
ICCS
(-3)
0.5
2.0
mA
Input Leakage
IIL
-1.0
+1.0
A
I/O Leakage
IOL
(Note 6)
-1.0
+1.0
A
(-5), -1.0mA
2.4
Output Logic 1 Voltage (Note 3)
VOH
(-3), -0.4mA
2.4
V
(-5), +2.1mA
0.4
Output Logic 0 Voltage
AD0–AD7, IRQ, SQW (Note 3)
VOL
(-3), +0.8mA
0.4
V
(-5), +10mA
0.4
Output Logic 0 Voltage
PWR (Note 3)
VOL
(-3), +4mA
0.4
V
(-5)
4.25
4.37
4.5
Power-Fail Voltage (Note 3)
VPF
(-3)
2.5
2.6
2.7
V
VRT Trip Point
VRTTRIP
(Note 3)
1.3
V
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