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P87LPC764BN 数据表(PDF) 49 Page - NXP Semiconductors |
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P87LPC764BN 数据表(HTML) 49 Page - NXP Semiconductors |
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49 / 56 page  Philips Semiconductors Preliminary data 87LPC764 Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP 2001 Oct 26 46 COMPARATOR ELECTRICAL CHARACTERISTICS VDD = 3.0 V to 6.0 V unless otherwise specified; Tamb = 0°C to +70°C or –40°C to +85°C, unless otherwise specified SYMBOL PARAMETER TEST CONDITIONS LIMITS UNIT SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIO Offset voltage comparator inputs1 ±10 mV VCR Common mode range comparator inputs 0 VDD–0.3 V CMRR Common mode rejection ratio1 –50 dB Response time 250 500 ns Comparator enable to output valid 10 µs IIL Input leakage current, comparator 0 < VIN < VDD ±10 µA NOTE: 1. This parameter is guaranteed by characterization, but not tested in production. 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 39 Oscillator frequency (VDD = 4.0 V to 6.0 V) 0 20 MHz fC 39 Oscillator frequency (VDD = 2.7 V to 6.0 V) 0 10 MHz tC 39 Clock period and CPU timing cycle 1/fC ns fCTOL On-chip RC oscillator tolerance. Applies to P87LPC764BDH only.5 – 10 % fCTOL On-chip RC oscillator tolerance. All other de- vices. – 25 % tCHCX 39 Clock high-time4 fOSC = 20 MHz 20 ns 39 fOSC = 10 MHz 40 ns tCLCX 39 Clock low-time4 fOSC = 20 MHz 20 ns 39 fOSC = 10 MHz 40 ns Shift Register tXLXL 38 Serial port clock cycle time 6tC ns tQVXH 38 Output data setup to clock rising edge 5tC – 133 ns tXHQX 38 Output data hold after clock rising edge 1tC – 80 ns tXHDV 38 Input data setup to clock rising edge 5tC – 133 ns tXHDX 38 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. 5. For availability of other devices with this specification, please contact Philips sales office. |
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