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 mm58167bn
BRAND National Semiconductor [NS]
Packaging dip
Date code 12+
Price 1.25~1.48usd
Summary 8-bit, DIP, Microprocessor Real Time Clock
Description as follow:
The MM58167BN is a low threshold metal gate CMOS circuit that functions as a real time clock in bus oriented microprocessor systems. The device includes an addressable real time counter, 56 bits of RAM, and two interrupt outputs.
Parametrics
Absolute maximum ratings: (1)Voltage at All Pins:VSS-0.3V to VDD+0.3V; (2)Operating Temperature:0℃ to 70℃; (3)Storage Temperature:-65℃ to +150℃; (4)VDD-VSS:6.0V; (5)Lead Temperature (Soldering, 10 sec.):300℃.
Features
Features: (1)Microprocessor compatible (8-bit data bus); (2)Milliseconds through month counters; (3)56 bits of RAM with comparator to compare the real time counter to the RAM data; (4)2 INTERRUPT OUTPUTS with 8 possible interrupt signals; (5)POWER DOWN input that disables all inputs and outputs except for one of the interrupts; (6)Status bit to indicate rollover during a read; (7)32.768 kHz crystal oscillator; (8)Four-year calendar (no leap year); (9)24-hour clock.
Diagrams
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
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