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PIC12F519-E/MS 데이터시트(PDF) 70 Page - Microchip Technology |
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PIC12F519-E/MS 데이터시트(HTML) 70 Page - Microchip Technology |
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70 / 96 page ![]() PIC12F519 DS41319B-page 68 © 2008 Microchip Technology Inc. 11.3 AC Characteristics TABLE 11-5: EXTERNAL CLOCK TIMING REQUIREMENTS AC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature -40 °C ≤ TA ≤ +85°C (industrial), -40 °C ≤ TA ≤ +125°C (extended) Operating Voltage VDD range is described in Section 11.0 “Electri- cal Characteristics” Param No. Sym. Characteristic Min. Typ(1) Max. Units Conditions 1A FOSC External CLKIN Frequency(2) DC — 4 MHz XT Oscillator mode DC — 200 kHz LP Oscillator mode Oscillator Frequency(2) DC — 4 MHz EXTRC Oscillator mode 0.1 — 4 MHz XT Oscillator mode DC — 200 kHz LP Oscillator mode 1TOSC External CLKIN Period(2) 250 — — ns XT Oscillator mode 5— — μs LP Oscillator mode Oscillator Period(2) 250 — — ns EXTRC Oscillator mode 250 — 10,000 ns XT Oscillator mode 5— — μs LP Oscillator mode 2TCY Instruction Cycle Time 200 4/FOSC DC ns 3 TosL, TosH Clock in (OSC1) Low or High Time 50* — — ns XT Oscillator 2* — — μs LP Oscillator 4TosR, TosF Clock in (OSC1) Rise or Fall Time — — 25* ns XT Oscillator — — 50* ns LP Oscillator * These parameters are characterized but not tested. Note 1: Data in the Typical (“Typ”) column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. 2: All specified values are based on characterization data for that particular oscillator type under standard operating conditions with the device executing code. Exceeding these specified limits may result in an unstable oscillator operation and/or higher than expected current consumption. When an external clock input is used, the “max” cycle time limit is “DC” (no clock) for all devices. |
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