Purchase MM58174A, In-stock MM58174A From SeekIC.
Part Number: MM58174A
Description: The MM58174A is a low-threshold metal-gate CMOS circuit that functions as a real-time clock and calend...
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MM58174A
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DataSheet
General Description
MM58174A General Description
The MM58174A is a low-threshold metal-gate CMOS circuit that functions as a real-time clock and calendar in bus-oriented microprocessor systems. The device includes an interrupt timer which may be programmed to one of three times. Timekeeping is maintained down to 2.2V to allow low power standby battery operation. The timebase is generated from a 32768 Hz crystal-controlled oscillator.
MM58174A Maximum Ratings
Voltage at All Inputs and Outputs VDD + 0.3 to VSS - 0.3
Operating Temperature
MM58174AN - 40 to + 85
Storage Temperature - 65 to + 150
VDD±VSS 6.5V
Lead Temperature (Soldering, 10 seconds) 300
Operating Temperature
MM58174AN - 40 to + 85
Storage Temperature - 65 to + 150
VDD±VSS 6.5V
Lead Temperature (Soldering, 10 seconds) 300
MM58174A Features
·Microprocessor compatible
·Tenths of seconds, seconds, tens of seconds, minutes, tens of minutes, day of week, days, tens of days, months, tens of months, independent registers
·Automatic leap year calculation
·Internal pull-ups to safeguard data
·Protection for read during data changing
·Independent interrupt system with open drain output
·TTL compatible
·Low power standby operation (2.2V, 10 mA)
·Low cost internally biased oscillator
·Low cost 16-pin dual-in-line package
·Available for commercial and military temperature ranges
·Tenths of seconds, seconds, tens of seconds, minutes, tens of minutes, day of week, days, tens of days, months, tens of months, independent registers
·Automatic leap year calculation
·Internal pull-ups to safeguard data
·Protection for read during data changing
·Independent interrupt system with open drain output
·TTL compatible
·Low power standby operation (2.2V, 10 mA)
·Low cost internally biased oscillator
·Low cost 16-pin dual-in-line package
·Available for commercial and military temperature ranges
MM58174A Typical Application
·Point-of-sale terminals
·Word processors
·Teller terminals
·Event recorders
·Microprocessor-controlled instrumentation
·Microprocessor time clock
·TV/VCR reprogramming
·Intelligent telephone
·Word processors
·Teller terminals
·Event recorders
·Microprocessor-controlled instrumentation
·Microprocessor time clock
·TV/VCR reprogramming
·Intelligent telephone
MM58174A Connection Diagram
MM58174A
PDF/DataSheet Download
- Datasheet: MM58174A
- File Size: 133857 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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