參數(shù)資料
型號: DS17287N-3
英文描述: 3V/5V Real-Time Clock
中文描述: 3V/5V實時時鐘
文件頁數(shù): 30/38頁
文件大?。?/td> 411K
代理商: DS17287N-3
DS17285/DS17287
30 of 38
POWER-UP/POWER-DOWN TIMING, 5V
(T
A
= +25°C)
PARAMETER
SYMBOL
t
PF
Recovery at Power-Up
t
REC
t
F
4.0 V
CC
4.5V
t
FB
3.0 V
CC
4.0V
t
R
4.5
V
CC
4.0V
Expected Data Retention
t
DR
MIN
TYP
MAX
0
UNITS
ns
NOTES
CS
High to Power-Fail
150
ms
V
CC
Slew Rate Power-Down
300
s
V
CC
Slew Rate Power-Down
10
s
V
CC
Slew Rate Power-Up
0
s
10
years
9, 10
POWER-UP/POWER-DOWN TIMING, 3V
PARAMETER
(T
A
= +25°C)
UNITS
ns
SYMBOL
t
PF
t
REC
t
F
2.5 V
CC
3.0V
t
R
3.0
V
CC
t
DR
MIN
TYP
MAX
0
NOTES
CS
High to Power-Fail
Recovery at Power-Up
150
ms
V
CC
Slew Rate Power-Down
300
s
V
CC
Slew Rate Power-Up
2.5V
0
s
Expected Data Retention
10
years
9, 10
Warning:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is
in battery back-up mode.
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
(T
A
= +25°C)
UNITS
pF
pF
SYMBOL
C
IN
C
OUT
MIN
TYP
MAX
12
12
NOTES
WAKE-UP/KICKSTART TIMING
PARAMETER
Kickstart-Input Pulse-Width
Wake-up/Kickstart Power-On
Timeout
(T
A
= +25°C)
UNITS
s
SYMBOL
t
KSPW
MIN
2
TYP
MAX
NOTES
t
POTO
2
s
7
相關PDF資料
PDF描述
DS17287N-5 3V/5V Real-Time Clock
DS17285-DS17287 3V/5V Real-Time Clock
DS17287 3V/5V Real-Time Clock
DS1731 High-Precision Digital Thermometer and Thermostat
DS1731U High-Precision Digital Thermometer and Thermostat
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