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PIC16F570 Datasheet(PDF) 89 Page - Microchip Technology |
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PIC16F570 Datasheet(HTML) 89 Page - Microchip Technology |
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89 / 129 page  2013-2014 Microchip Technology Inc. DS40001684E-page 89 PIC16F570 TABLE 15-6: EXTERNAL CLOCK TIMING REQUIREMENTS AC Characteristics Standard Operating Conditions (unless otherwise specified) Operating Temperature -40 C TA +85C (industrial), -40 C TA +125C (extended) Operating voltage VDD range is described in Section 15.1 “DC Characteristics: PIC16F570 (Industrial)”. Param. No. Sym. Characteristic Min. Typ.(1) Max. Units Conditions 1A FOSC External CLKIN Frequency(2) DC — 4 MHz XT Oscillator DC — 20 MHz HS/EC Oscillator DC — 200 kHz LP Oscillator Oscillator Frequency(2) DC — 4 MHz EXTRC Oscillator 0.1 — 4 MHz XT Oscillator 4 — 20 MHz HS/EC Oscillator DC — 200 kHz LP Oscillator 1TOSC External CLKIN Period(2) 250 — — ns XT Oscillator 50 — — ns HS/EC Oscillator 5— — s LP Oscillator Oscillator Period(2) 250 — — ns EXTRC Oscillator 250 — 10,000 ns XT Oscillator 50 — 250 ns HS/EC Oscillator 5— — s LP Oscillator 2 TCY Instruction Cycle Time 200 4/FOSC DC ns 3 TosL, TosH Clock in (OSC1) Low or High Time 50* — — ns XT Oscillator 2* — — s LP Oscillator 10* — — ns HS/EC Oscillator 4TosR, TosF Clock in (OSC1) Rise or Fall Time — — 25* ns XT Oscillator — — 50* ns LP Oscillator — — 15* ns HS/EC 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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