參數(shù)資料
型號(hào): DS14285S
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: 0.300 INCH, SOP-24
文件頁數(shù): 10/26頁
文件大?。?/td> 515K
代理商: DS14285S
DS14285/DS14287
18 of 26
AC ELECTRICAL CHARACTERISTICS
(Over the operating range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Cycle
tCYC
225
DC
ns
Pulse Width, DS/E Low or RD/ WR
High
PWEL
115
ns
Pulse Width, DS/E Low or RD/ WR
Low
PWEH
80
ns
Input Rise and Fall Time
tR, tF
30
ns
R/ W Hold Time
tRWH
10
ns
R/ W Setup Time Before DS/E
tRWS
10
ns
Chip Select Setup Time Before DS,
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 AS/ALE
Fall
tASL
30
ns
Muxed Address Hold Time
tAHL
10
ns
Delay Time DS/E to AS/ALE Rise
tASD
20
ns
Pulse Width AS/ALE High
PWASH
60
ns
Delay Time, AS/ALE to DS/E Rise
tASED
35
ns
Output Data Delay Time From DS/E or
RD
tDDR
10
75
ns
9
Data Setup Time
tDSW
60
ns
Reset Pulse Width
tRWL
5
s
IRQ
Release from DS
tIRDS
2
s
IRQ
Release from RESET
tIRR
2
s
AC TEST CONDITIONS
Input Pulse Level: 0 to 3.0V
Input Rise/Fall Times: 5ns
Input and Output Timing Reference Levels: 1.5V
相關(guān)PDF資料
PDF描述
DS14285N 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS14285SN 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS14285Q 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS14285 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1670S 0 TIMER(S), REAL TIME CLOCK, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS14285S/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC W/NV RAM CNTRL 24-SOIC
DS14285S/T&R 功能描述:實(shí)時(shí)時(shí)鐘 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
DS14285S/TR 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Real-Time Clock with NV RAM
DS14285S+ 功能描述:實(shí)時(shí)時(shí)鐘 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
DS14285S+T&R 制造商:Maxim Integrated Products 功能描述:IC RTC W/NV RAM CNTRL 24-SOIC