參數(shù)資料
型號： DS1511
廠商： Maxim Integrated Products, Inc.
英文描述： Y2KC Watchdog Real Time Clock(Y2KC看門狗實時時鐘)
中文描述： Y2K兼容、看門狗實時時鐘
文件頁數(shù)： 1/22頁
文件大?。?/td> 178K
代理商： DS1511
DS1501/DS1511
Y2KC Watchdog Real Time Clock
DS1501/DS1511
PRELIMINARY
071098 1/22
FEATURES
BCD coded century, year, month, date, day, hours,
minutes, and seconds with automatic leap year com-
pensation valid up to the year 2100
Programmable Watchdog Timer and RTC Alarm
Century register; Y2K Compliant RTC
+3.3 or +5 volt operation
Precision Power–On Reset
Power control circuitry supports system power on
from date/day/time alarm or key closure/modem de-
tect signal
256 bytes user NV SRAM
Burst Mode for reading/writing successive addresses
in NV SRAM
Auxiliary battery input
Accuracy of DS1511 is better than
±
1 min./month @
25
°
C
Day of week/Date alarm register
Crystal select bit allows RTC to operate with 6 pF or
12.5 pF crystal
Battery voltage level indicator flags
Available as chip (DS1501) or standalone module
with embedded battery and crystal (DS1511)
ORDERING INFORMATION
PART #
DS1501Y
DS1501YE
DS1501YS
DS1511Y
DESCRIPTION
5 Volt, 28–pin DIP
5 Volt, 28–pin TSOP
5 Volt, 28–pin SOIC
5 Volt, 28–pin DIP Module
DS1501W
DS1501WE
DS1501WS
DS1511W
3.3 Volt, 28–pin DIP
3.3 Volt, 28–pin TSOP
3.3 Volt, 28–pin SOIC
3.3 Volt, 28–pin DIP Module
PIN ASSIGNMENT
28–PIN DIP, 28–PIN SOIC
28–PIN TSOP
V
CC
WE
V
BAUX
V
BAT
KS
SOW
OE
GND
CE
DQ7
DQ4
DQ3
PWR
X1
X2
RST
IRQ
A4
A3
A2
A1
A0
DQ0
DQ2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
24
23
22
21
20
19
18
17
16
15
14
25
26
27
28
GND
SQW
OE
X1
X2
RST
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
PWR
WE
V
BAUX
V
BAT
KS
DQ2
DQ1
IRQ
A4
A3
A2
A1
A0
DQ0
V
CC
28-PIN ENCAPSULATED PACKAGE (720 MIL FLUSH)
GND
X1
X2
RST
PWR
DQ2
DQ1
IRQ
A4
A3
A2
A1
A0
DQ0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SQW
OE
NC
CE
DQ7
DQ6
DQ5
DQ4
DQ3
WE
V
BAUX
NC
KS
V
CC
24
23
22
21
20
19
18
17
16
15
25
26
27
28
DESCRIPTION
The DS1501/DS1511 is a full function, year 2000 com-
pliant (Y2KC), real–time clock/calendar (RTC) with a
RTC alarm, watchdog timer, power–on reset, battery
monitors, and 256 bytes non–volatile static RAM in a
monolithic chip. User access to all registers within the
DS1501 is accomplished with a bytewide interface as
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DS1511FP000 制造商:Thomas & Betts 功能描述:100A,CON,4P5W,MG,511,220V
DS1511MR000 制造商:Thomas & Betts 功能描述:100A,NLT,4P5W,MG,511,220V
DS1511W 功能描述:實時時鐘 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
DS1511W+ 功能描述:實時時鐘 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
DS1511Y 功能描述:實時時鐘 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
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