Datasheet ATtiny24A, ATtiny44A, ATtiny84A. Appendix B. Specification at 125°C (Microchip) - 10

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2.8 Serial Programming Characteristics 2.8.1 ATtiny24A and ATtiny44A Table 2-8. Serial Programming Characteristics, TA = -40°C to +125°C, VCC = 1.8 - 5.5V (Unless Otherwise Noted) Symbol Parameter Min Typ Max Units
1/t Oscillator Frequency 0 4 MHz CLCL tCLCL Oscillator Period 250 ns 1/tCLCL Oscillator Frequency (VCC = 4.5V - 5.5V) 0 20 MHz t Oscillator Period (V = 4.5V - 5.5V) 50 ns CLCL CC t (1) SHSL SCK Pulse Width High 2 tCLCL ns t (1) SLSH SCK Pulse Width Low 2 tCLCL ns t MOSI Setup to SCK High t ns OVSH CLCL tSHOX MOSI Hold after SCK High 2 tCLCL ns Note: 1. 2 t for f < 12 MHz, 3 t for f >= 12 MHz CLCL ck CLCL ck
2.8.2 ATtiny84A Table 2-9. Serial Programming Characteristics, TA = -40°C to +125°C, VCC = 1.8 - 5.5V (Unless Otherwise Noted) Symbol Parameter Min Typ Max Units
1/t Oscillator Frequency 0 4 MHz CLCL tCLCL Oscillator Period 250 ns 1/t Oscillator Frequency (V = 4.5V - 5.5V) 0 16 MHz CLCL CC t Oscillator Period (V = 4.5V - 5.5V) 62.5 ns CLCL CC t (1) SHSL SCK Pulse Width High 2 tCLCL ns t SCK Pulse Width Low 2 t (1) ns SLSH CLCL t MOSI Setup to SCK High t ns OVSH CLCL tSHOX MOSI Hold after SCK High 2 tCLCL ns Note: 1. 2 t for f < 12 MHz, 3 t for f >= 12 MHz CLCL ck CLCL ck ATtiny24A/44A/84A [DATASHEET APPENDIX B] 10 8183H–AVR–10/2013 Document Outline Appendix B – ATtiny24A/44A/84A Specification at 125°C 1. Memories 1.1 EEPROM Data Memory 2. Electrical Characteristics 2.1 Absolute Maximum Ratings* 2.2 DC Characteristics 2.3 Speed 2.3.1 ATtiny24A and ATtiny44A 2.3.2 ATtiny84A 2.4 Clock Characteristics 2.4.1 Accuracy of Calibrated Internal Oscillator 2.5 System and Reset Characteristics 2.5.1 Power-On Reset 2.6 Analog Comparator Characteristics 2.7 ADC Characteristics 2.8 Serial Programming Characteristics 2.8.1 ATtiny24A and ATtiny44A 2.8.2 ATtiny84A 3. Typical Characteristics 3.1 ATtiny24A 3.1.1 Current Consumption in Active Mode 3.1.2 Current Consumption in Idle Mode 3.1.3 Current Consumption in Power-down Mode 3.1.4 Current Consumption of Peripheral Units 3.1.5 Pull-up Resistors 3.1.6 Output Driver Strength 3.1.7 Input Threshold and Hysteresis (for I/O Ports) 3.1.8 BOD, Bandgap and Reset 3.1.9 Analog Comparator Offset 3.1.10 Internal Oscillator Speed 3.2 ATtiny44A 3.2.1 Current Consumption in Active Mode 3.2.2 Current Consumption in Idle Mode 3.2.3 Current Consumption in Power-down Mode 3.2.4 Current Consumption of Peripheral Units 3.2.5 Pull-up Resistors 3.2.6 Output Driver Strength 3.2.7 Input Threshold and Hysteresis (for I/O Ports) 3.2.8 BOD, Bandgap and Reset 3.2.9 Analog Comparator Offset 3.2.10 Internal Oscillator Speed 3.3 ATtiny84A 3.3.1 Current Consumption in Active Mode 3.3.2 Current Consumption in Idle Mode 3.3.3 Current Consumption in Power-down Mode 3.3.4 Current Consumption in Reset 3.3.5 Current Consumption of Peripheral Units 3.3.6 Pull-up Resistors 3.3.7 Output Driver Strength 3.3.8 Input Threshold and Hysteresis (for I/O Ports) 3.3.9 BOD, Bandgap and Reset 3.3.10 Analog Comparator Offset 3.3.11 Internal Oscillator Speed 4. Ordering Information 4.1 ATtiny24A 4.2 ATtiny44A 4.3 ATtiny84A 5. Revision History