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SM8580AM Arkusz danych(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM8580AM Arkusz danych(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 25 page SM8580AM SEIKO NPC CORPORATION —1 Real-time Clock IC with 4-bit Interface and Built-in Temperature Sensor OVERVIEW The SM8580AM is a real-time clock IC based on a 32.768kHz crystal oscillator, which features a 4-bit parallel interface for communication with an external microcontroller. It comprises second-counter to year-counter clock and calendar circuits that feature automatic leap-year adjustment up to year 2099, alarm and timer inter- rupt functions, clock counter change detect functions, ±30-second correction function, time error correction function, and built-in temperature sensor. The 4-bit parallel interface is compatible with general-purpose SRAM over a high-speed bus. FEATURES I High-speed bus 4-bit parallel interface I Date, day, hour, minute, and second-counter pre- settable alarm interrupt I 1/4096 seconds to 255 minutes presettable interval timer interrupt function I 2 software-maskable alarm and timer interrupt outputs I Clock counter change detect functions I 4-digit western calendar display I Automatic leap year correction up to year 2099 I ±30-second adjust function I −195 to +192ppm time error correction range I Built-in temperature sensor (analog voltage output) I 2.4 to 5.5V interface voltage range I 1.6 to 5.5V clock voltage range I 0.6µA/3V (typ) current consumption ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) Device Package SM8580AM 24-pin SSOP 1 13 24 12 CE0N FCON FOUT VTEMP AIRQN TIRQN A0 VDD XT XTN NC NC NC CE1 A1 A2 A3 RDN VSS D0 D1 D2 D3 WRN 0.36 ± 0.10 10.20 ± 0.30 0.15 + 0.1 − 0.05 0.50 ± 0.20 10.05 ± 0.20 0.8 0.12 M 0.10 0 to 10 |
Podobny numer części - SM8580AM_06 |
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Podobny opis - SM8580AM_06 |
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