參數(shù)資料
型號: DS14285
英文描述: Real Time Clock with NV RAM Control
中文描述: 實(shí)時(shí)時(shí)鐘,帶有非易失RAM控制器
文件頁數(shù): 21/25頁
文件大?。?/td> 303K
代理商: DS14285
DS14285/DS14287
21 of 25
POWER-DOWN/POWER-UP TIMING
POWER-DOWN/POWER-UP TIMING
PARAMETER
CS
at V
IH
before Power-Down
V
CC
slew from 4.5V to 0V (
CS
at V
IH
)
V
CC
slew from 0V to 4.5V (
CS
at V
IH
)
CS
at V
IH
after Power-Up
Chip Enable Propagation Delay to
External SRAM
SYMBOL
t
PD
t
F
t
R
t
REC
t
CED
MIN
0
300
100
20
TYP
MAX
UNITS
μ
s
μ
s
μ
s
ms
ns
NOTES
200
10
(t
A
= 25
°
C)
UNITS
years
PARAMETER
Expected Data Retention for DS14287
SYMBOL
t
DR
MIN
10
TYP
MAX
NOTES
10
NOTE:
The real-time clock will keep time to an accuracy of+1 minute per month during data retention time for
the period of t
DR
.
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery
backup mode.
相關(guān)PDF資料
PDF描述
DS14285N Real Time Clock with NV RAM Control
DS14285Q Real Time Clock with NV RAM Control
DS14285QN Real Time Clock with NV RAM Control
DS14285S Real Time Clock with NV RAM Control
DS14285SN Real Time Clock with NV RAM Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS14285_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Real-Time Clock with NV RAM
DS14285+ 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
DS14285-DS14287 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Real Time Clock with NV RAM Control
DS14285N 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
DS14285N+ 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