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Ds12c887 Maxim Electronic, Plus Ram, Dip18
Posted at: Offers to Sell and Export | Posted on: Thursday 1 November 2012 7:57 am | Poster last visit: Friday 26 July 2013 |
Product Description:
Excellent Integrated System LIMITED (EIS LIMITED), Established in 1991, is a professional independent
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number ds12c887
BRAND Maxim Integrated Products [Maxim]
Packaging dip18
Date code 10+
Price 3.82~5.3usd
Summary plus RAM, DIP18, -0.3V to +6.0V, DS12C887, Maxim
Description as follow:
The DS12C887 is a Real Time Clock plus RAM designed to be a direct replacement for the DS1287. The DS12C887 is identical in form, fit, and function to the DS1287, and has an additional 64 bytes of general purpose RAM. Access to this additional RAM space is determined by the logic level presented on AD6 during the address portion of an access cycle. A lithium energy source, quartz crystal, and write rotection circuitry are contained within a 24–pin dual in-line package. As such, the DS12C887 is a complete subsystem replacing 16 components in a typical application. The functions include a nonvolatile time–of–day clock, an alarm, a onehundred year calendar, programmable interrupt, square wave generator, and 114 bytes of nonvolatile static RAM. The real time clock is distinctive in that time of–day and memory are maintained even in the absence of power.
Parametrics
DS12C887 absolute maximum ratings: (1)Voltage Range on VCC Pin Relative to Ground: -0.3V to +6.0V; (2)Operating Temperature Range, Commercial (noncondensing): 0℃ to +70℃; (3)Operating Temperature Range, Industrial (noncondensing): -40℃ to +85℃; (4)Storage Temperature Range, EDIP: -40℃ to +85℃; (5)PDIP, SO, PLCC, TQFP: -55℃ to +125℃; (6)Lead Temperature (soldering, 10s): +260℃.
Features
DS12C887 features: (1)Drop-in replacement for IBM AT computer clock/calendar; (2)Pin compatible with the MC146818B and DS1287A; (3)Totally nonvolatile with over 10 years of operation in the absence of power; (4)Self-contained subsystem includes lithium, quartz, and support circuitry; (5)Counts seconds, minutes, hours, days, day of the week, date, month, and year with leapyear compensation valid up to 2100; (6)Binary or BCD representation of time, calendar, and alarm; (7)12-hour or 24-hour clock with AM and PM in 12-hour mode; (8)Daylight Savings Time option; (9)Selectable between Motorola and Intel bus timing; (10)Multiplex bus for pin efficiency; (11)Interfaced with software as 128 RAM locations: 14 bytes of clock and control registers; 114 bytes of general-purpose RAM; (12)Programmable square-wave output signal.
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong Kong
Member Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number ds12c887
BRAND Maxim Integrated Products [Maxim]
Packaging dip18
Date code 10+
Price 3.82~5.3usd
Summary plus RAM, DIP18, -0.3V to +6.0V, DS12C887, Maxim
Description as follow:
The DS12C887 is a Real Time Clock plus RAM designed to be a direct replacement for the DS1287. The DS12C887 is identical in form, fit, and function to the DS1287, and has an additional 64 bytes of general purpose RAM. Access to this additional RAM space is determined by the logic level presented on AD6 during the address portion of an access cycle. A lithium energy source, quartz crystal, and write rotection circuitry are contained within a 24–pin dual in-line package. As such, the DS12C887 is a complete subsystem replacing 16 components in a typical application. The functions include a nonvolatile time–of–day clock, an alarm, a onehundred year calendar, programmable interrupt, square wave generator, and 114 bytes of nonvolatile static RAM. The real time clock is distinctive in that time of–day and memory are maintained even in the absence of power.
Parametrics
DS12C887 absolute maximum ratings: (1)Voltage Range on VCC Pin Relative to Ground: -0.3V to +6.0V; (2)Operating Temperature Range, Commercial (noncondensing): 0℃ to +70℃; (3)Operating Temperature Range, Industrial (noncondensing): -40℃ to +85℃; (4)Storage Temperature Range, EDIP: -40℃ to +85℃; (5)PDIP, SO, PLCC, TQFP: -55℃ to +125℃; (6)Lead Temperature (soldering, 10s): +260℃.
Features
DS12C887 features: (1)Drop-in replacement for IBM AT computer clock/calendar; (2)Pin compatible with the MC146818B and DS1287A; (3)Totally nonvolatile with over 10 years of operation in the absence of power; (4)Self-contained subsystem includes lithium, quartz, and support circuitry; (5)Counts seconds, minutes, hours, days, day of the week, date, month, and year with leapyear compensation valid up to 2100; (6)Binary or BCD representation of time, calendar, and alarm; (7)12-hour or 24-hour clock with AM and PM in 12-hour mode; (8)Daylight Savings Time option; (9)Selectable between Motorola and Intel bus timing; (10)Multiplex bus for pin efficiency; (11)Interfaced with software as 128 RAM locations: 14 bytes of clock and control registers; 114 bytes of general-purpose RAM; (12)Programmable square-wave output signal.
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong KongMember Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
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