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參數(shù)資料
型號(hào): DS14285SN
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: 0.300 INCH, SOP-24
文件頁(yè)數(shù): 1/26頁(yè)
文件大小: 515K
代理商: DS14285SN
1 of 26
REV: 112105
FEATURES
Direct Replacement for IBM AT
Computer Clock/Calendar
Functionally Compatible with the
DS1285/DS1287
Available as Chip (DS14285, DS14285S, or
DS14285Q) or Stand-Alone Module with
Embedded Lithium Battery and Crystal
(DS14287)
Automatic Backup Supply and Write
Protection to Make External SRAM
Nonvolatile
Counts Seconds, Minutes, Hours, Days,
Day of the Week, Date, Month, and Year
with Leap Year Compensation Valid Up
to 2100
Binary or BCD Representation of Time,
Calendar, and Alarm
12- or 24-Hour Clock with AM and PM in
12-Hour Mode
Daylight Saving Time Option
Multiplex Bus for Pin Efficiency
Interfaced with Software as 128 RAM
Locations
14 Bytes of Clock and Control Registers
114 Bytes of General Purpose RAM
Programmable Square-Wave Output
Signal
Bus-Compatible Interrupt Signals (
IRQ)
Three Interrupts are Separately Software-
Maskable and Testable
Time-of-Day Alarm Once/Second to
Once/Day
Periodic Rates from 122
s to 500ms
End of Clock Update Cycle
Optional Industrial Temperature Version
Available: DS14285 DIP, SO, and PLCC
PIN CONFIGURATIONS
DS14285/DS14287
Real-Time Clock with NV RAM
Control Control
www.maxim-ic.com
PLCC
AD0
AD1
AD2
AD3
AD4
AD5
CEI
VBAT
IRQ
RESET
DS
GND
N.C.
R/W
X2 X1 MOT VCCO VCC SQ
W
CE0
AD6 N.C. AD7 GND
CS AS
N.C.
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
23
N.C.
AD1
AD3
AD4
AD5
AD6
AD7
GND
VCC
SQW
CEO
CEI
N.C.
IRQ
RESET
DS
N.C.
R/W
AS
CS
1
2
3
4
5
6
7
8
9
10
11
12
24
22
21
20
19
18
17
16
15
14
13
N.C.
AD0
AD2
VCCO
Encapsulated Package
DS14287
DS14285
DIP/SO
23
X2
AD1
AD3
AD4
AD5
AD6
AD7
GND
VCC
CEI
VBAT
IRQ
RESET
DS
GND
R/W
AS
CS
1
2
3
4
5
6
7
8
9
10
11
12
24
22
21
20
19
18
17
16
15
14
13
X1
AD0
AD2
SQW
CEO
VCCO
DS14
285
TOP VIEW
相關(guān)PDF資料
PDF描述
DS14285Q 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS14285 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1670S 0 TIMER(S), REAL TIME CLOCK, PDSO20
DS14287 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1670E 0 TIMER(S), REAL TIME CLOCK, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS14285SN/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC W/NV RAM CNTRL IND 24SOIC
DS14285SN/T&R 功能描述:IC RTC W/NV RAM CNTRL IND 24SOIC RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS(12/24 小時(shí)) 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
DS14285SN/TR 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Real-Time Clock with NV RAM
DS14285SN+ 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
DS14285SN+T&R 制造商:Maxim Integrated Products 功能描述:IC RTC W/NV RAM CNTRL 24-SOIC 制造商:DSC 功能描述:
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