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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT90LS4433-4AI датащи(PDF) 97 Page - ATMEL Corporation |
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AT90LS4433-4AI датащи(HTML) 97 Page - ATMEL Corporation |
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97 / 126 page  97 AT90S/LS4433 1042H–AVR–04/03 Serial Programming Characteristics Figure 68. Serial Programming Timing Table 36. Serial Programming Characteristics, T A = -40°C to 85°C, VCC = 2.7 - 6.0V (unless otherwise noted) Symbol Parameter Min Typ Max Units 1/t CLCL Oscillator Frequency (V CC = 2.7 - 6.0V) 0 4 MHz t CLCL Oscillator Period (V CC = 2.7 - 6.0V) 250 ns 1/tCLCL Oscillator Frequency (VCC = 4.0 - 6.0V) 0 8 MHz t CLCL Oscillator Period (V CC = 4.0 - 6.0V) 125 ns t SHSL SCK Pulse Width High 2 t CLCL ns tSLSH SCK Pulse Width Low 2 tCLCL ns t OVSH MOSI Setup to SCK High t CLCL ns tSHOX MOSI Hold after SCK High 2 tCLCL ns tSLIV SCK Low to MISO Valid 10 16 32 ns Table 37. Minimum Wait Delay after the Chip Erase Instruction Symbol 3.2V 3.6V 4.0V 5.0V t WD_ERASE 18 ms 14 ms 12 ms 8 ms Table 38. Minimum Wait Delay after Writing a Flash or EEPROM Location Symbol 3.2V 3.6V 4.0V 5.0V tWD_PROG 9 ms 7 ms 6 ms 4 ms MOSI MISO SCK t OVSH t SHSL t SLSH t SHOX t SLIV |
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