參數(shù)資料
型號： DS1685-DS1687
廠商： Maxim Integrated Products, Inc.
英文描述： 3V/5V Real-Time Clocks
中文描述： 3V/5V實時時鐘
文件頁數(shù)： 1/33頁
文件大?。?/td> 420K
代理商： DS1685-DS1687
1 of 33
REV: 032604
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata
.
FEATURES
Incorporates Industry-Standard DS1287 PC Clock
plus Enhanced Features Such as:
Y2K Compliant
+3V or +5V Operation
64-Bit Silicon Serial Number
Power-Control Circuitry Supports System Power-
On from Date/Time Alarm or Key Closure
32kHz Output for Power Management
Crystal-Select Bit Allows RTC to Operate with
6pF or 12.5pF Crystal
SMI Recovery Stack
242 Bytes Battery-Backed NV RAM
Auxiliary Battery Input
APPLICATIONS
Embedded Systems
Utility Meters
Security Systems
Network Hubs, Bridges, and Routers
PIN CONFIGURATIONS
TOP VIEW
RAM Clear Input
Century Register
Date Alarm Register
Compatible with Existing BIOS for Original
DS1287 Functions
Available as Chip (DS1685) or Stand-Alone
Encapsulated DIP (EDIP) with Embedded
Battery and Crystal (DS1687)
Timekeeping Algorithm Includes Leap-Year
Compensation Valid Through 2099
Underwriters Laboratory (UL) Recognized
PACKAGE DIMENSION
www.maxim-ic.com/DallasPackInfo
IRQ
KS
RD
GND
WR
12 13 14 15 16 17 18
A
DS1685/DS1687
3V/5V Real-Time Clocks
www.maxim-ic.com
PLCC
AD0
AD1
AD2
AD3
AD4
AD5
N.C.
RCLR
V
BAT
25
24
23
22
21
20
19
5
6
7
8
9
10
11
4 3 2 1 28 27 26
X
X
P
N
V
C
V
B
S
N
A
G
C
A
N
DS1685Q
DIP (0.600”)/
SO (0.300”)/
TSSOP (0.173”)
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
V
CC
SQW
V
BAUX
RCLR
V
BAT
IRQ
KS
RD
GND
WR
ALE
PWR
X1
X2
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
12
14
13
CS
DS1685/
DS1685S/
DS1685E
EDIP (740 mil)
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
V
CC
SQW
V
BAUX
RCLR
N.C.
IRQ
KS
RD
N.C.
WR
PWR
N.C.
N.C.
AD0
AD1
AD2
AD3
AD4
AD5
AD6
11
12
14
13
AD7
GND
ALE
CS
DS1687
相關(guān)PDF資料
PDF描述
DS1685E-3 3V/5V Real-Time Clocks
DS1685E-5 3V/5V Real-Time Clocks
DS1685 3 Volt Real Time Clock(3V實時時鐘)
DS1687 5 Volt Real Time Clock(5V實時時鐘)
DS1688 3 Volt Serialized Real Time Clock with NV RAM Control(帶非易失性RAM控制的3V不掉電實時時鐘)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1685E 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks
DS1685E-3 功能描述:實時時鐘 3V/5V RTC 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
DS1685E-3/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC 3V 64-BIT Y2KC 24-TSSOP
DS1685E-3/T&R 功能描述:實時時鐘 3V/5V RTC 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
DS1685E-3/TR 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks
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