参数资料
型号: DS1501YS
厂商: DALLAS SEMICONDUCTOR
元件分类: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.720 INCH, PLASTIC, SOIC-28
文件页数: 1/30页
文件大小: 291K
代理商: DS1501YS
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
相关PDF资料
PDF描述
DS1501WE 1 TIMER(S), REAL TIME CLOCK, PDSO28
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
相关代理商/技术参数
参数描述
DS1501YS+ 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1501YS+T&R 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2K 5V 28-SOIC
DS1501YS+T&R 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1501YSN 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1501YSN/T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK PARALLEL 256BYTE 28SOIC - Tape and Reel