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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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P87LPC768FD датащи(PDF) 59 Page - NXP Semiconductors |
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P87LPC768FD датащи(HTML) 59 Page - NXP Semiconductors |
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59 / 64 page  Philips Semiconductors Preliminary data 87LPC768 Low power, low price, low pin count (20 pin) microcontroller with 4 kB OTP 8-bit A/D, Pulse Width Modulator 2001 Aug 06 57 AC ELECTRICAL CHARACTERISTICS Tamb = 0°C to +70°C or –40°C to +85°C, VDD = 2.7 V to 6.0 V unless otherwise specified, VSS = 0 V1, 2, 3 SYMBOL FIGURE PARAMETER LIMITS UNIT SYMBOL FIGURE PARAMETER MIN MAX UNIT External Clock fC 43 Oscillator frequency (VDD = 4.5 V to 6.0 V) 0 20 MHz fC 43 Oscillator frequency (VDD = 2.7 V to 6.0 V) 0 10 MHz tC 43 Clock period and CPU timing cycle 1/fC ns tCHCX 43 Clock high-time4 20 ns tCLCX 43 Clock low time4 20 ns Shift Register tXLXL 42 Serial port clock cycle time 6tC ns tQVXH 42 Output data setup to clock rising edge 5tC – 133 ns tXHQX 42 Output data hold after clock rising edge 1tC – 80 ns tXHDV 42 Input data setup to clock rising edge 5tC – 133 ns tXHDX 42 Input data hold after clock rising edge 0 ns NOTES: 1. Parameters are valid over operating temperature range unless otherwise specified. 2. Load capacitance for all outputs = 80 pF. 3. Parts are guaranteed to operate down to 0 Hz. 4. Applies only to an external clock source, not when a crystal is connected to the X1 and X2 pins. |
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