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UM82C8167A - Real-Time Clock

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The UM82C8167A is a Si-gate CMOS LSI used as a real time clock in micro system.

This product includes an addressable real time counter, 56 bits of static RAM and two interrupt outputs.

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Datasheet Details

Part number UM82C8167A
Manufacturer UMC
File Size 39.35 KB
Description Real-Time Clock
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(l)UMC UM82C8167A Real Time Clock (RTC) Feature • Microprocessor compatible (8-bit data bus) • Milliseconds through month counters • 56 bits of RAM with comparator to compare the real time counter to the RAM data • 2 INTERRUPT OUTPUTS with 8 possible interrupt signals • Single +5V power supply • POWE R DOWN input that disables all inputs and outputs except for one of the interrupts • Status bit to indicate rollover during a read • 32,768 Hz crystal oscillator • Four-year calendar (no leap year) • 24-hour clock • 24 pin dual-in-line package General Description The UM82C8167A is a Si-gate CMOS LSI used as a real time clock in micro system. This product includes an addressable real time counter, 56 bits of static RAM and two interrupt outputs.
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