參數(shù)資料
型號(hào): DS17285S-3
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: SOIC-24
文件頁數(shù): 21/38頁
文件大?。?/td> 415K
代理商: DS17285S-3
DS17285/DS17287
28 of 38
RTC AC TIMING CHARACTERISTICS
Over the operating range (5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Cycle Time
tCYC
240
DC
ns
Pulse Width, RD / WR Low
PWRWL
120
ns
Pulse Width, RD / WR High
PWRWH
80
ns
Input Rise and Fall
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
Mux’ed Address Valid Time
to ALE Fall
tASL
20
ns
Mused Address Hold Time to
ALE Fall
tAHL
10
ns
RD
or WR High Setup to
ALE Rise
tASD
25
ns
Pulse Width ALE High
PWASH
40
ns
ALE Low Setup to RD
or WR Fall
tASED
30
ns
Output Data Delay Time from
RD
tDDR
20
120
ns
7
Data Setup Time
tDSW
30
ns
IRQ
Release from RD
tIRD
2
s
AC TEST CONDITIONS
Output 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
相關(guān)PDF資料
PDF描述
DS1742-100 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742W-120 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742-70 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742W-150 0 TIMER(S), REAL TIME CLOCK, DMA24
DS1743P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS17285S-3/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC 3V 2K NV RAM 24-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 3V/5V RTC K Multiplexed Kick-S
DS17285S-3/T&R 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS17285S-3+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS17285S-3+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK MULTIPLEXED 2KBYTE 24SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC 3V 2K NV RAM 24-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 3V/5V RTC K Multiplexed Kick-S
DS17285S-3+T&R 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube