收藏本站
1 of 36
REV: 112105
FEATURES
Incorporates Industry Standard DS1287 PC
Clock Plus Enhanced Features:
+3V or +5V Operation
64-Bit Silicon Serial Number
64-Bit Customer Specific ROM or
Additional Serial Number Available
Power Control Circuitry Supports System
Power-On from Date/Time Alarm or Key
Closure
Automatic Battery Backup and Write
Protection to External SRAM
Crystal Select Bit Allows RTC to Operate
with 6pF or 12.5pF Crystal
114 Bytes User NV RAM
Auxiliary Battery Input
RAM Clear Input
Century Register
32kHz Output for Power Management
32-Bit VCC Powered Elapsed Time Counter
32-Bit VBAT Powered Elapsed Time Counter
16-Bit Power Cycle Counter
Compatible with Existing BIOS for Original
DS1287 Functions
Available as IC (DS1689) or Stand-Alone
Module with Embedded Battery and Crystal
(DS1693)
Available in Industrial Temperature
Version
Timekeeping Algorithm Includes Leap Year
Compensation Valid Up to 2100
PIN CONFIGURATIONS
ORDERING INFORMATION
PART
TEMP RANGE
VOLTAGE (V)
PIN-PACKAGE
TOP MARK*
DS1689S
0
°C to +70°C
3 to 5
28 SO (0.330
″)
DS1689S
DS1689S+
0
°C to +70°C
3 to 5
28 SO (0.330
″)
DS1689S
DS1689SN
-40
°C to +85°C
3 to 5
28 SO (0.330
″)
DS1689S
DS1689SN+
-40
°C to +85°C
3 to 5
28 SO (0.330
″)
DS1689S
DS1689S/T&R
0
°C to +70°C
3 to 5
28 SO (0.330
″)/Tape & Reel
DS1689S
DS1689S+T&R
0
°C to +70°C
3 to 5
28 SO (0.330
″)/Tape & Reel
DS1689S
DS1689SN/T&R
-40
°C to +85°C
3 to 5
28 SO (0.330
″)/Tape & Reel
DS1689S
DS1689SN+T&R
-40
°C to +85°C
3 to 5
28 SO (0.330
″)/Tape & Reel
DS1689S
DS1693
0
°C to +70°C
3 to 5
28 EDIP (0.740
″)
DS1693
+ Denotes a lead-free/RoHS-compliant device.
* A “+” anywhere on the top mark denotes a lead-free/RoHS-compliant device. An “N” denotes an industrial temperature device.
DS1689/DS1693
3V/5V Serialized Real-Time Clocks
with NV RAM Control
www.maxim-ic.com
Encapsulated DIP
(740 Mils)
13
27
N.C.
AD0
AD2
AD3
AD4
AD5
AD6
AD7
GND
PWR
CEI
VCCO
SQW
N.C.
IRQ
PSEL
RD
N.C.
WR
ALE
KS
CS
1
2
3
4
5
6
7
8
9
10
11
12
14
28
26
25
24
23
22
21
20
19
18
17
15
16
N.C.
RCLR
AD1
VBAUX
CEO
VCCI
DS16
93
VBAUX
SO
(330 Mils)
13
27
1
2
3
4
5
6
7
8
9
10
11
12
14
28
26
25
24
23
22
21
20
19
18
17
15
16
CEI
VCCO
SQW
VBAT
IRQ
PSEL
RD
GND
WR
ALE
KS
CS
CEO
VCCI
X2
AD0
AD2
AD3
AD4
AD5
AD6
AD7
GND
PWR
X1
RCLR
AD1
DS16
89
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
DS17285S-3NT IC RTC 3V 2K NV RAM 24-SOIC
DS1742-100IND IC RTC RAM Y2K 5V 100NS 24-EDIP
DS1743P-70+ IC RTC RAM Y2K 5V 70NS 34-PCM
DS1744-70IND IC RTC RAM Y2K 5V 70NS 28-EDIP
DS1746-70IND IC RTC RAM Y2K 5V 70NS 32-EDIP
DS1747W-120IND IC RTC RAM Y2K 3.3V 120NS 32EDIP
DS17887-3-IND IC RTC 3V 8K NV RAM 24-EDIP
DS1851E-010+ IC DAC DUAL NV TEMP CNTRL 8TSSOP
相关代理商/技术参数
DS1689SN+T&R-W 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
DS1689SN+W 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
DS1689S-TRL 功能描述:IC RTC SER W/NV RAM CTRL 28-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器，闰年，SRAM 存储容量:- 时间格式:HH:MM:SS（12/24 小时） 数据格式:YY-MM-DD-dd 接口:SPI 电源电压:2 V ~ 5.5 V 电压 - 电源，电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件
DS1691 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
DS1691 WAF 制造商:Texas Instruments 功能描述:
DS1691/1692 WAF 制造商:Texas Instruments 功能描述:
DS1691A 制造商:NSC 制造商全称:National Semiconductor 功能描述:(RS-422/RS-423) Line Drivers with TRI-STATE Outputs
DS1691AJ/883 制造商:NSC 制造商全称:National Semiconductor 功能描述:(RS-422/RS-423) Line Drivers with TRI-STATE Outputs