參數(shù)資料
型號(hào): DS14285S
英文描述: Real Time Clock with NV RAM Control
中文描述: 實(shí)時(shí)時(shí)鐘的非易失RAM控制
文件頁(yè)數(shù): 21/25頁(yè)
文件大?。?/td> 303K
代理商: DS14285S
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
DS14285SN Real Time Clock with NV RAM Control
DS1490F 2-in-1 Fob
DS1602 Elapsed Time Counter
DS1603 Elapsed Time Counter Module
DS1609 Dual Port RAM
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