參數(shù)資料
型號(hào): DS17285S-3
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: SOIC-24
文件頁數(shù): 1/38頁
文件大?。?/td> 415K
代理商: DS17285S-3
1 of 38
070300
FEATURES
Incorporates industry standard DS1287 PC clock
plus enhanced features:
Y2K Compliant
+3 or +5V operation
SMI recovery stack
64-bit silicon serial number
Power control circuitry supports system
power on from date/time alarm or key
closure
32 kHz output on power-up
Crystal select bit allows RTC to operate with
6 pF or 12.5 pF crystal
114 bytes user NV RAM
Auxiliary battery input
2 kbytes additional NV RAM
RAM clear input
Century register
Date alarm register
Compatible with existing BIOS for original
DS1287 functions
Available as chip (DS17285) or stand-alone
module with embedded battery and crystal
(DS17287)
Timekeeping algorithm includes leap year
compensation valid up to 2100
PIN ASSIGNMENT
DS17285/DS17287
3 Volts/5 Volts Real Time Clock
www.dalsemi.com
PWR
1
2
3
4
5
6
7
8
9
10
11
12
23
DS17287 24-Pin
Encapsulated Package
NC
AD1
AD3
AD4
AD5
AD6
AD7
GND
VCC
SQW
VBAUX
RCLR
NC
IRQ
KS
RD
NC
WR
ALE
CS
24
22
21
20
19
18
17
16
15
14
13
NC
AD0
AD2
PWR
1
2
3
4
5
6
7
8
9
10
11
12
23
DS17285 24-Pin DIP
DS17285S 24-Pin SOIC
X2
AD1
AD3
AD4
AD5
AD6
AD7
GND
VCC
SQW
VBAUX
RCLR
VBAT
IRQ
KS
RD
GND
WR
ALE
CS
24
22
21
20
19
18
17
16
15
14
13
X1
AD0
AD2
IRQ
1
28
KS
VBAT
227
RD
RCLR
3
26
GND
VBAUX
425
WR
SQW
5
24
ALE
VCC
623
CS
VCC
7
22
GND
PWR
8
21
GND
X1
9
20
AD7
X2
10
19
AD6
NC
11
18
NC
ADO
12
17
AD5
AD1
13
16
AD4
AD2
14
15
AD3
DS17285E 28-Pin TSOP
相關(guān)PDF資料
PDF描述
DS1742-100 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742W-120 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742-70 0 TIMER(S), REAL TIME CLOCK, PDIP24
DS1742W-150 0 TIMER(S), REAL TIME CLOCK, DMA24
DS1743P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS17285S-3/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC 3V 2K NV RAM 24-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 3V/5V RTC K Multiplexed Kick-S
DS17285S-3/T&R 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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
DS17285S-3+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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
DS17285S-3+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK MULTIPLEXED 2KBYTE 24SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC 3V 2K NV RAM 24-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 3V/5V RTC K Multiplexed Kick-S
DS17285S-3+T&R 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S 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