参数资料
型号: DS1685S-3
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封装: 0.300 INCH, SOP-24
文件页数: 1/34页
文件大小: 455K
代理商: DS1685S-3
DS1685/DS1687
3V/5V Real-Time Clocks
1 of 34
REV: 112105
www.maxim-ic.com
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
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
APPLICATIONS
Embedded Systems
Utility Meters
Security Systems
Network Hubs, Bridges, and Routers
PIN CONFIGURATIONS
PLCC
AD0
AD1
AD2
AD3
AD4
AD5
RCLR
VBAT
IRQ
KS
RD
GND
WR
25
24
23
22
21
20
19
5
6
7
8
9
10
11
4
3
2
1
28
27
26
12
13 14
15 16
17
18
N.C.
X1
X2
P
WR
N.C.
V
CC
V
SQ
W
BAU
X
AD6
N.C.
AD7
GND
C
S
ALE
N.C.
DS1685Q
DIP (0.600
)/
SO (0.300
)/
TSSOP (0.173
)
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
VCC
SQW
VBAUX
RCLR
VBAT
IRQ
KS
RD
GND
WR
PWR
X1
X2
AD0
AD1
AD2
AD3
AD4
AD5
AD6
11
12
14
13
AD7
GND
ALE
CS
DS1685/
DS1685S/
DS1685E
EDIP (0.740
)
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.
AD0
AD1
AD2
AD3
AD4
AD5
AD6
11
12
14
13
AD7
GND
ALE
CS
DS1687
TOP VIEW
相关PDF资料
PDF描述
DS1685E-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685QN-3 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS1685QN-5 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS1685SN-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1687-3 1 TIMER(S), REAL TIME CLOCK, DIP24
相关代理商/技术参数
参数描述
DS1685S-3/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
DS1685S-3/TR 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks
DS1685S-3_12 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
DS1685S-3+ 功能描述:实时时钟 3V/5V RTC 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
DS1685S-3+T& 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks