参数资料
型号: DS1685S-5
厂商: DALLAS SEMICONDUCTOR
元件分类: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封装: SOIC-24
文件页数: 20/39页
文件大小: 290K
代理商: DS1685S-5
DS1685/DS1687
27 of 39
RTC AC TIMING CHARACTERISTICS
(0
°C to 70°C; V
CC=3.0V ± 10%)
(-40
°C to 85°C; V
CC=3.0V ± 10%)
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
0ns
Read Data Hold Time
tDHR
10
50
ns
Write Data Hold Time
tDHW
0ns
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
7
Data Setup Time
tDSW
60
ns
IRQ
Release from RD
tIRD
2
s
AC TEST CONDITIONS
Out put Load: 50 pF
Input Pulse Levels: 0-3.0V
Timing Measurement Reference Levels
Input : 1.5V
Output: 1.5V
Input Pulse Rise and Fall Times: 5 ns
相关PDF资料
PDF描述
DS1685EN-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685E-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685EN-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685-5 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1685SN-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
相关代理商/技术参数
参数描述
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