參數(shù)資料
型號: DS1685QN-5
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 1/39頁
文件大?。?/td> 290K
代理商: DS1685QN-5
1 of 39
051600
FEATURES
Incorporates industry standard DS1287 PC clock plus
enhanced features:
Y2K-compliant
+3 or +5V operation
64-bit silicon serial number
Power control circuitry supports system power-on
from date/time alarm or key closure
32 kHz output for power management
Crystal select bit allows RTC to operate with 6 pF
or 12.5 pF crystal
SMI Recovery Stack
242 bytes user 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 standalone module
with embedded battery and crystal (DS1687)
PIN ASSIGNMENT
Timekeeping algorithm includes leap year
compensation valid up to 2100
DS1685/DS1687
3-Volt/5-Volt Real Time Clock
www.dalsemi.com
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
VCC
SQW
VBAUX
RCLR
NC
IRQ
KS
RD
NC
WR
PWR
NC
AD0
AD1
AD2
AD3
AD4
AD5
AD6
DS1687 24-Pin Encapsulated
11
12
14
13
AD7
GND
ALE
CS
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
DS1685 24-Pin DIP
DS1685S 24-Pin SOIC
DS1685E 24-Pin TSSOP
11
12
14
13
AD7
GND
ALE
CS
X2
X1
PW
R
NC
VC
C
SQ
W
DS1685Q 28-Pin PLCC
AD0
AD1
AD2
AD3
AD4
AD5
RCLR
VBAT
IRQ
KS
RD
GND
NC
WR
AD
6
NC
AD
7
GND
CS
AL
E
NC
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
V
B
AUX
相關(guān)PDF資料
PDF描述
DS1685SN-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1687-3 1 TIMER(S), REAL TIME CLOCK, DIP24
DS1685S-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685EN-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
DS1685E-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1685QN-5/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC 5V 64-BIT Y2KC IND 28PLCC
DS1685QN-5/T&R 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
DS1685QN-5/TR 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks
DS1685QN-5_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
DS1685QN-5+ 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