參數(shù)資料
型號(hào)： DS1685
廠商： Maxim Integrated Products, Inc.
英文描述： 3 Volt Real Time Clock(3V實(shí)時(shí)時(shí)鐘)
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 238K
代理商： DS1685
DS1685/DS1687
3 Volt/5 Volt Real Time Clock
DS1685/DS1687
DS1687 24–PIN ENCAPSULATED PACKAGE
V
CC
SQW
V
BAUX
RCLR
NC
IRQ
KS
RD
NC
WR
ALE
CS
PWR
NC
NC
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DDS1685 24–PIN DIP
DS1685E 24–PIN TSSOP
V
CC
SQW
V
BAUX
RCLR
V
BAT
IRQ
KS
RD
GND
WR
ALE
CS
PWR
X1
X2
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
4
3
2
1
RCLR
V
BAT
IRQ
KS
RD
GND
WR
28 27 26
25
24
23
22
21
20
19
X
N
V
S
V
X
A
A
G
C
A
N
12 13 14 15 16 17 18
AD0
AD1
AD2
AD3
AD4
AD5
NC
5
6
7
8
9
10
11
N
DS1685Q 28–PIN PLCC
P
030598 1/32
FEATURES
Incorporates industry standard DS1287 PC clock plus
enhanced features:
Y2K Compliant
+3 or +5 volt 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 NVRAM
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)
Timekeeping algorithm includes leap year compensa-
tion valid up to 2100
ORDERING INFORMATION
PART #
DS1685–X
DS1685E–X
DS1685S–X
DS1685Q–X
DS1687–X
DESCRIPTION
RTC Chip; 24–pin DIP
RTC Chip; 24–pin TSSOP
RTC Chip; 24–pin SOIC
RTC Chip; 28–pin PLCC
RTC Module; 24–pin DIP
–3
–5
+3 volt device
+5 volt device
PIN ASSIGNMENT
相關(guān)PDF資料
PDF描述
DS1687 5 Volt Real Time Clock(5V實(shí)時(shí)時(shí)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(shí)時(shí)時(shí)鐘)
DS1691 5 Volt Serialized Real Time Clock with NV RAM Control(帶非易失性RAM控制的5V不掉電實(shí)時(shí)時(shí)鐘)
DS1689 3 Volt Serialized Real Time Clock with NV RAM Control(帶非易失性RAM控制的3V不掉電實(shí)時(shí)時(shí)鐘)
DS1693 5 Volt Serialized Real Time Clock with NV RAM Control(帶非易失性RAM控制的5V不掉電實(shí)時(shí)時(shí)鐘)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1685_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clocks
DS1685_10 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
DS1685_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
DS1685-3 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1685-3_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
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