(TA = +25°C)
參數(shù)資料
型號: DS1685E-5
廠商: Maxim Integrated Products
文件頁數(shù): 22/34頁
文件大?。?/td> 0K
描述: IC RTC 5V 64-BIT Y2KC 24-TSSOP
標準包裝: 62
類型: 時鐘/日歷
特點: 警報器,NVSRAM,方波輸出,Y2K
存儲容量: 242B
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 2.5 V ~ 3.7 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 24-TSSOP
包裝: 管件
DS1685/DS1687 3V/5V Real-Time Clocks
29 of 34
POWER-UP/DOWN TIMING—5V
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CS
High to Power-Fail
tPF
0
ns
Recovery at Power-Up
tREC
150
ms
VCC Slew Rate Power-Down
tF
4.0 VCC 4.5V
300
s
VCC Slew Rate Power-Down
tFB
3.0 VCC 4.0V
10
s
VCC Slew Rate Power-Up
tR
4.5V VCC 4.0V
0
s
Expected Data Retention
tDR
10
years
9, 10
POWER-UP/DOWN TIMING—3V
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CS
High to Power-Fail
tPF
0
ns
Recovery at Power-Up
tREC
150
ms
VCC Slew Rate Power-Down
tF
2.5 ≤ VCC ≤ 2.7V
300
s
VCC Slew Rate Power-Up
tR
2.7V ≥ VCC ≥ 2.5V
0
s
Expected Data Retention
tDR
10
years
9, 10
WARNING: Under no circumstances are negative undershoots, of any amplitude, allowed
when device is in battery-backup mode.
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance on All Inputs
Except X1 and X2
CIN
12
pF
Output Capacitance on IRQ,
SQW and DQ pins
COUT
12
pF
WAKE-UP/KICKSTART TIMING
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Kickstart Input Pulse Width
tKSPW
2
s
Wake-Up/Kickstart Power On
Timeout
tPOTO
2
seconds
7
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