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參數資料
型號: DS1501WE
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: TSOP-28
文件頁數: 1/30頁
文件大小: 291K
代理商: DS1501WE
1 of 30
022301
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 supports system
power-on from date/day/time alarm or key
closure/modem detect 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)
Optional industrial temperature range -40
°C to
+85
°C (DS1501 only)
ORDERING INFORMATION
DS1501XXX
blank commercial temp range
N
industrial temp range
Blank 28-pin DIP
E
28-pin TSOP
S
28-pin SOIC
Y
5V operation
W
3.3V operation
DS1511X
Dip Module
Y
5V operation
W
3.3V operation
PIN ASSIGNMENT
28-Pin DIP, 28-Pin
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
SQW
GND
DQ7
DQ6
DQ5
DQ4
DQ3
WE
KS
OE
CE
VCC
VBAUX
VBAT
X1
X2
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
PWR
RST
IRQ
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OE
A3
SQW
KS
VBAUX
VBAT
WE
VCC
X1
X2
A4
IRQ
RST
PWR
GND
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
A0
A1
A2
GND
DQ7
CE
28-Pin TSOP
NC
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
PWR
RST
IRQ
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
SQW
NC
DQ7
DQ6
DQ5
DQ4
DQ3
CE
OE
KS
WE
VBAUX
NC
CC
V
28-Pin Encapsulated Package
(720-mil FLUSH)
DS1501/DS1511
Y2KC Watchdog Real Time Clock
www.dalsemi.com
Package Dimension Information can be found at:
http://www.dalsemi.com/datasheets/mechdwg.html
相關PDF資料
PDF描述
DS1553W-150 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1553P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1553-70 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1553WP-150 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1553WP-120 0 TIMER(S), REAL TIME CLOCK, DMA34
相關代理商/技術參數
參數描述
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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1501WE/T&R/C02 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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