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DS1285中文資料亞德諾數(shù)據(jù)手冊PDF規(guī)格書
DS1285規(guī)格書詳情
DESCRIPTION
The DS1285 Real Time Chip is a direct replacement for the MC146818A in IBM AT computer clock/calendar and other applications. For a complete description of operating conditions, electrical and mechanical charac
teristics, bus timing, and pin descriptions see the DS12885 data sheet.
FEATURES
? Drop-in replacement for IBM AT computer clock/calendar
? Pin configuration closely matches MC146818A
? Counts seconds, minutes, hours, day of the week,date, month, and year with leap year compensation
? Binary or BCD representation of time, calendar, and alarm
? 12- or 24-hour clock with AM and PM in 12-hour mode
? Daylight Savings Time option
? Selectable between Motorola and Intel bus timing
? Multiplex bus for pin efficiency
? Interfaced with software as 64 RAM locations
– 14 bytes of clock and control registers
– 50 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 μs to 500 ms
– End of clock update cycle
? Optional 28-pin PLCC surface mount package
產(chǎn)品屬性
- 型號:
DS1285
- 制造商:
Maxim Integrated Products
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
DALLAS |
23+ |
NA/ |
298 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
DALLAS |
20+ |
DIP-24 |
35830 |
原裝優(yōu)勢主營型號-可開原型號增稅票 |
詢價 | ||
DALLAS |
22+ |
PLCC28 |
8500 |
只做原裝正品假一賠十!正規(guī)渠道訂貨! |
詢價 | ||
DALLAS |
96+ |
PLCC28 |
11 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
DALLAS |
1994 |
38 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
DALLAS |
23+ |
PLCC |
3200 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售 |
詢價 | ||
DALLAS |
23+ |
PLCC28 |
8000 |
專注配單,只做原裝進(jìn)口現(xiàn)貨 |
詢價 | ||
DALLAS |
21+ |
PLCC-28 |
6500 |
全新原裝現(xiàn)貨 |
詢價 | ||
DALLAS |
23+ |
PLCC28 |
28000 |
原裝正品 |
詢價 | ||
NS/國半 |
22+ |
PLCC28 |
50000 |
只做原裝正品,假一罰十,歡迎咨詢 |
詢價 |