參數(shù)資料
型號(hào)： DS1501WSN
英文描述： Y2K-Compliant Watchdog Real-Time Clocks
中文描述： 千年蟲的看門狗實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 265K
代理商： DS1501WSN
1 of 20
REV: 031704
Note:
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata
.
GENERAL DESCRIPTION
The DS1501/DS1511 are full-function, year 2000-
compliant real-time clock/calendars (RTCs) with an
RTC alarm, watchdog timer, power-on reset, battery
monitors, 256 bytes NV SRAM, and a 32.768kHz
output. User access to all registers within the
DS1501/DS1511 is accomplished with a byte-wide
interface, as shown in Figure 8. The RTC registers
contain century, year, month, date, day, hours,
minutes, and seconds data in 24-hour binary-coded
decimal (BCD) format. Corrections for day of month
and leap year are made automatically.
APPLICATIONS
Remote Systems
Battery-Backed Systems
Telecom Switches
Office Equipment
Consumer Electronics
ORDERING INFORMATION
PART
TEMP RANGE
PIN-PACKAGE
DS1501
YN
DS1501YEN
DS1501YSN
DS1501WN
DS1501WEN
DS1501WSN
DS1511
Y
DS1511W
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
28 DIP (600 mil)
28 TSOP
28 SO (330 mil)
28 DIP (600 mil)
28 TSOP
28 SO (330 mil)
28 Module (720 mil)
28 Module (720 mil)
Selector Guide appears at end of data sheet.
Typical Operating Circuits appears at end of data sheet.
FEATURES
BCD-Coded Century, Year, Month, Date, Day,
Hours, Minutes, and Seconds with Automatic
Leap-Year Compensation Valid Up to the Year
2100
Programmable Watchdog Timer and RTC Alarm
Century Register; Y2K-Compliant RTC
+3.3 or +5V Operation
Precision Power-On Reset
Power-Control Circuitry Support System Power-
On from Date/Day/Time Alarm or Key
Closure/Modem-Detect Signal
256 Bytes Battery-Backed NV SRAM
Auxiliary Battery Input
Accuracy of DS1511 Better than ±1
Minute/Month at +25°C
Day-of-Week/Date Alarm Register
Crystal Select Bit Allow RTC to Operate with 6pF
or 12.6pF Crystal
Battery Voltage-Level Indicator Flags
Available as Chip (DS1501) or Stand-Alone
Module with Embedded Battery and Crystal
(DS1511)
UL Recognized
PIN CONFIGURATION
3
4
5
6
7
8
9
10
11
12
13
14
GND
DS1501/DS1511
Y2K-Compliant Watchdog
Real-Time Clocks
www.maxim-ic.com
TOP VIEW
Dallas
Semiconductor
DS1501
1
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SQW
OE
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
WE
V
BAUX
V
BAT
KS
V
X1
X2
RST
IRQ
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
PWR
DIP, SO
Pin Configurations are continued at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1501WSN/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2KC 3.3V IND 28SOIC
DS1501WSN/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
DS1501WSN+ 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
DS1501WSN+T&R 制造商:Maxim Integrated Products 功能描述:MAXIM DS1501WSN+T&R REAL TIME CLOCKS (RTC) - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim DS1501WSN+T&R Real Time Clocks (RTC) 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2K 3.3V IND 28SOIC
DS1501WSN+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
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