參數(shù)資料
型號: DS17485E-5
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: TSOP-28
文件頁數(shù): 24/38頁
文件大?。?/td> 400K
代理商: DS17485E-5
DS17485/DS17487
30 of 38
POWER-UP POWER-DOWN TIMING 5-VOLT DEVICE
(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
s
VCC Slew Rate Power-down
tFB
3.0
VCC 4.0V
10
s
VCC Slew Rate Power-up
tR
4.5
≥ V
CC ≥ 4.0V
0
s
Expected Data Retention
tDR
10
years
10,11
POWER-UP POWER-DOWN TIMING 3-VOLT DEVICE
(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
s
VCC Slew Rate Power-up
tR
3.0
≥ V
CC ≥ 2.5V
0
s
Expected Data Retention
tDR
10
years
10,11
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
s
Wake-up/Kickstart Power-On
Timeout
tPOTO
2
seconds
8
相關PDF資料
PDF描述
DS17485-3 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS17485-5 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS17485S-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS17485S-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS17485E-3 1 TIMER(S), REAL TIME CLOCK, PDSO28
相關代理商/技術參數(shù)
參數(shù)描述
DS17485E-5+ 功能描述:實時時鐘 3V/5V RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS17485EN-3 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17485EN-5 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17485N-3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock
DS17485N-5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock