參數(shù)資料
型號(hào): DS1685Q-3
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 20/34頁
文件大?。?/td> 455K
代理商: DS1685Q-3
DS1685/DS1687 3V/5V Real-Time Clocks
27 of 34
RTC AC TIMING CHARACTERISTICS
(VCC = 3.0V±10%, TA = 0°C to +70°C, TA = -40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Cycle Time
tCYC
260
DC
ns
Pulse Width,
RD/WR Low
PWRWL
100
ns
Pulse Width,
RD/WR High
PWRWH
100
ns
Input Rise and Fall Time
tR, tF
30
ns
Chip-Select Setup Time
Before
WR or RD
tCS
20
ns
Chip-Select Hold Time
tCH
0
ns
Read-Data Hold Time
tDHR
10
50
ns
Write-Data Hold Time
tDHW
0
ns
Muxed Address Valid Time to
ALE Fall
tASL
30
ns
Muxed Address Hold Time
from ALE Fall
tAHL
15
ns
RD or WR High Setup to ALE
Rise
tASD
30
ns
Pulse-Width ALE High
PWASH
80
ns
ALE Low Setup to
RD or WR
Fall
tASED
30
ns
Output-Data Delay Time from
RD
tDDR
20
80
ns
6
Data Setup Time
tDSW
60
ns
IRQ Release from RD
tIRD
2
s
AC TEST CONDITIONS
Output Load: 50pF
Input Pulse Levels: 0 to 3.0V
Timing Measurement Reference Levels
Input : 1.5V
Output: 1.5V
Input Pulse Rise and Fall Times: 5ns
相關(guān)PDF資料
PDF描述
DS1685S-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685E-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685QN-3 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS1685QN-5 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS1685SN-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
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