參數(shù)資料
型號: DS17285S-5+T&R
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: XO, clock
英文描述: 3V/5V Real-Time Clock
中文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: SO-24
文件頁數(shù): 24/38頁
文件大小: 411K
代理商: DS17285S-5+T&R
DS17285/DS17287
30 of 38
POWER-UP/POWER-DOWN TIMING, 5V
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CS
High to Power-Fail
tPF
0ns
Recovery at Power-Up
tREC
150
ms
VCC Slew Rate Power-Down
tF
4.0 VCC 4.5V
300
ms
VCC Slew Rate Power-Down
tFB
3.0 VCC 4.0V
10
ms
VCC Slew Rate Power-Up
tR
4.5
VCC 4.0V
0
ms
Expected Data Retention
tDR
10
years
9, 10
POWER-UP/POWER-DOWN TIMING, 3V
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CS
High to Power-Fail
tPF
0ns
Recovery at Power-Up
tREC
150
ms
VCC Slew Rate Power-Down
tF
2.5 VCC 3.0V
300
ms
VCC Slew Rate Power-Up
tR
3.0
VCC 2.5V
0
ms
Expected Data Retention
tDR
10
years
9, 10
Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when device is
in battery back-up mode.
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CIN
12
pF
Output Capacitance
COUT
12
pF
WAKE-UP/KICKSTART TIMING
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Kickstart-Input Pulse-Width
tKSPW
2
ms
Wake-up/Kickstart Power-On
Timeout
tPOTO
2s
7
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