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MCP2140-IP датащи(PDF) 29 Page - Microchip Technology |
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MCP2140-IP датащи(HTML) 29 Page - Microchip Technology |
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29 / 58 page ![]() 2003 Microchip Technology Inc. Preliminary DS21790A-page 29 MCP2140 4.2 Timing Parameter Symbology and Load Conditions The timing parameter symbols have been created following one of the following formats: 4.2.1 TIMING CONDITIONS The temperature and voltages specified in Table 4-2 apply to all timing specifications, unless otherwise noted. Figure 4-2 specifies the load conditions for the timing specifications. TABLE 4-1: SYMBOLOGY TABLE 4-2: AC TEMPERATURE AND VOLTAGE SPECIFICATIONS FIGURE 4-2: LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS 1. TppS2ppS 2. TppS T F Frequency TTime EError Lowercase letters (pp) and their meanings: pp io Input or Output pin osc Oscillator rx Receive tx Transmit bitclk RX/TX BITCLK RST Reset drt Device Reset Timer Uppercase letters and their meanings: S FFall PPeriod HHigh RRise I Invalid (high-impedance) VValid LLow Z High-impedance AC Specifications Electrical Characteristics: Standard Operating Conditions (unless otherwise stated): Operating temperature: -40 °C ≤ TA ≤ +85°C (industrial) Operating voltage VDD range as described in DC spec Section 4.1. Pin VSS CL CL = 50 pF for all pins except OSC2 15 pF for OSC2 when external clock is used to drive OSC1 |
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