參數(shù)資料
型號: DS1501WE
英文描述: Real-Time Clock
中文描述: 實(shí)時(shí)時(shí)鐘
文件頁數(shù): 3/30頁
文件大?。?/td> 291K
代理商: DS1501WE
DS1501/DS1511
3 of 30
The DS1511 incorporates the DS1501 chip, a 32.768 kHz crystal, and a lithium battery in a complete,
self-contained timekeeping module. The entire unit is designed by Dallas Semiconductor to provide a
minimum of 10 years of timekeeping and data retention in the absence of V
CC
.
DS1501/DS1511 BLOCK DIAGRAM
Figure 1
A0-A4
R
C
R
D
R
A
X2
X1
SQW
____
IRQ
CLOCK ALARM AND
WATCHDOG
COUNTDOWN
32.768 kHz
CLOCK OSC
___
OE
___
WE
___
CE
DQ0-DQ7
32 X 8 CLOCK,
CONTROL,
AND SRAM
ADDRESS
REGISTERS
___
KS
GND
Vcc
_____
PWR
____
RST
POWER CONTROL
WRITE
PROTECTION,
AND POWER-ON
RESET
256 X 8
NV SRAM
V
BAUX
V
BAT
DS1501/DS1511 OPERATING MODES
Table 1
V
CC
CE
V
IH
V
IL
V
IL
V
IL
OE
X
X
V
IL
V
IH
WE
X
V
IL
V
IH
V
IH
DQ0-DQ7
HIGH-Z
D
IN
D
OUT
HIGH-Z
A0-A4
X
A
IN
A
IN
A
IN
MODE
DESELECT
WRITE
READ
READ
POWER
STANDBY
ACTIVE
ACTIVE
ACTIVE
CMOS
STANDBY
BATTERY
CURRENT
IN TOLERANCE
V
SO
<V
CC
< V
PF
X
X
X
HIGH-Z
X
DESELECT
V
CC
< V
SO
< V
PF
X
X
X
HIGH-Z
X
DATA
RETENTION
相關(guān)PDF資料
PDF描述
DS1501WS Real-Time Clock
DS1501Y Real-Time Clock
DS1501YE Real-Time Clock
DS1501YS Real-Time Clock
DS1501 Y2K-Compliant Watchdog Real-Time Clocks
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1501WE/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2KC 3.3V 28-TSOP
DS1501WE/T&R 功能描述:實(shí)時(shí)時(shí)鐘 Y2K-Compliant Watchdog 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
DS1501WE/T&R/C02 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
DS1501WE/TR 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Y2K-Compliant Watchdog Real-Time Clocks
DS1501WE+ 功能描述:實(shí)時(shí)時(shí)鐘 Y2K-Compliant Watchdog 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