Low-Current I2C RTC with 56-Byte NV RAM 6 Maxim Integrated Typical Operat" />
參數(shù)資料
型號(hào): DS1308U-3+T
廠商: Maxim Integrated Products
文件頁數(shù): 13/16頁
文件大?。?/td> 0K
描述: IC RTC 56BYTE NVRAM I2C 8UMAX
標(biāo)準(zhǔn)包裝: 3,000
類型: 時(shí)鐘/日歷
特點(diǎn): 閏年,NVSRAM,方波輸出
存儲(chǔ)容量: 56B
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 2.7 V ~ 5.5 V
電壓 - 電源,電池: 1.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-uMAX
包裝: 帶卷 (TR)
DS1308
Low-Current I2C RTC with 56-Byte NV RAM
6
Maxim Integrated
Typical Operating Characteristics
(VCC = +3.3V, TA = +25NC, unless otherwise specified.)
POWER-SUPPLY CURRENT
vs. SCL FREQUENCY
DS1308
toc05
SCL FREQUENCY (kHz)
POWER-SUPPLY
CURRENT
(A)
300
200
100
150
200
50
0
400
TA = +25°C,
IOUT = 0mA
5.0V
3.0V
SQW/CLKIN OUTPUT-VOLTAGE LOW
vs. OUTPUT CURRENT
DS1308
toc04
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
3
2
1
0.1
0.2
0.3
0.4
0
04
TA = +25°C,
OUT = ECLK = SQWE = 0
VCC = 3.0V
VCC = 5.0V
VCC = 1.3V
BATTERY CURRENT (SQW ON)
vs. BATTERY VOLTAGE
DS1308
toc03
BATTERY VOLTAGE (V)
BATTERY
CURRENT
(nA)
4.5
3.5
2.5
300
400
500
600
700
800
200
1.5
5.5
RS1 = RS0 = SQWE = 1,
IOUT = 0mA
+85°C
+25°C
-40°C
BATTERY CURRENT (SQW OFF)
vs. BATTERY VOLTAGE
DS1308
toc02
BATTERY VOLTAGE (V)
BATTERY
CURRENT
(nA)
4.5
3.5
2.5
150
200
250
300
350
400
100
1.5
5.5
SQWE = 0, IOUT = 0mA
+85°C
+25°C
-40°C
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1308
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(A)
5.0
4.5
3.5
4.0
80
90
100
110
130
120
140
150
70
3.0
5.5
SQWE = 1, IOUT = 0mA
+85°C
+25°C
-40°C
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