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参数资料
| 型号： | DS1302Z/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC TIMEKEEPER T-CHARGE 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 时钟/日历 |
| 特点： | 闰年，NVSRAM，涓流充电器 |
| 存储容量： | 31B |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | 3 线串口 |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1302 Trickle-Charge Timekeeping Chip
10 of 13
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………………………….-0.5Vto +7.0V
Operating Temperature Range, Commercial………………………………………………………………….0°C to +70°C
Operating Temperature Range, Industrial (IND)……………………………………………………………-40°C to +85°C
Storage Temperature Range……………………………………………………………………………..….-55°C to +125°C
Soldering Temperature (leads, 10 seconds)………………………………………………………………..………….260°C
Soldering Temperature (surface mount)………………………………………………..…….See IPC/JEDEC J-STD-020
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 the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(TA = 0°C to +70°C or TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage VCC1, VCC2
VCC1,
VCC2
(Notes 2, 10)
2.0
3.3
5.5
V
Logic 1 Input
VIH
(Note 2)
2.0
VCC +
0.3
V
VCC = 2.0V
-0.3
+0.3
Logic 0 Input
VIL
VCC = 5V
(Note 2)
-0.3
+0.8
V
DC ELECTRICAL CHARACTERISTICS
(TA = 0°C to +70°C or TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Leakage
ILI
(Notes 5, 13)
85
500
μA
I/O Leakage
ILO
(Notes 5, 13)
85
500
μA
Logic 1 Output (IOH = -0.4mA)
VCC = 2.0V
1.6
Logic 1 Output (IOH = -1.0mA)
VOH
VCC = 5V
(Note 2)
2.4
V
Logic 0 Output (IOL = 1.5mA)
VCC = 2.0V
0.4
Logic 0 Output (IOL = 4.0mA)
VOL
VCC = 5V
(Note 2)
0.4
V
VCC1 = 2.0V
0.4
Active Supply Current
(Oscillator Enabled)
ICC1A
VCC1 = 5V
CH = 0
(Notes 4, 11)
1.2
mA
VCC1 = 2.0V
0.2
0.3
Timekeeping Current
(Oscillator Enabled)
ICC1T
VCC1 = 5V
CH = 0
(Notes 3, 11,13)
0.45
1
μA
VCC1 = 2.0V
1
100
VCC1 = 5V
1
100
Standby Current (Oscillator
Disabled)
ICC1S
IND
CH = 1
(Notes 9, 11, 13)
5
200
nA
VCC2 = 2.0V
0.425
Active Supply Current
(Oscillator Enabled)
ICC2A
VCC2 = 5V
CH = 0
(Notes 4, 12)
1.28
mA
VCC2 = 2.0V
25.3
Timekeeping Current
(Oscillator Enabled)
ICC2T
VCC2 = 5V
CH = 0
(Notes 3, 12)
81
μA
VCC2 = 2.0V
CH = 1
(Notes 9, 12)
25
Standby Current (Oscillator
Disabled)
ICC2S
VCC2 = 5V
80
μA
R1
2
R2
4
Trickle-Charge Resistors
R3
8
k
Ω
Trickle-Charge Diode Voltage
Drop
VTD
0.7
V
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