參數(shù)資料
型號： DS1689
廠商： Maxim Integrated Products
文件頁數(shù)： 1/36頁
文件大?。?/td> 0K
描述： IC RTC SER W/NV RAM CTRL 28-DIP
標準包裝： 13
類型： 時鐘/日歷
特點： NVSRAM
存儲容量： 114B
時間格式： HH:MM:SS（12/24 小時）
數(shù)據(jù)格式： YY-MM-DD-dd
接口： 并聯(lián)
電源電壓： 2.7 V ~ 3.3 V，4.5 V ~ 5.5 V
電壓 - 電源，電池： 2.5 V ~ 3.7 V
工作溫度： 0°C ~ 70°C
安裝類型： 通孔
封裝/外殼： 28-DIP（0.600"，15.24mm）
供應(yīng)商設(shè)備封裝： 28-PDIP
包裝： 管件
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1689_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Serialized Real-Time Clocks with NV RAM Control
DS1689S 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1689S/R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Serialized Real-Time Clocks with NV RAM Control
DS1689S/T 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Serialized Real-Time Clocks with NV RAM Control
DS1689S/T&R 制造商:Rochester Electronics LLC 功能描述:
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