ATtiny261A Atmel Corporation, ATtiny261A Datasheet

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... Appendix A – ATtiny261A Specification at 105°C This document contains information specific to devices operating at temperatures up to 105°C. Only deviations are covered in this appendix, all other information can be found in the complete datasheet. The complete datasheet can be found at www.atmel.com. 8-bit Microcontroller with 2K Bytes ...

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... Reset pin) Input Leakage I IL Current I/O Pin Input Leakage I IH Current I/O Pin R Reset Pull-up Resistor RST R I/O Pin Pull-up Resistor PU ATtiny261A 2 *NOTICE: +0. -40°C to +105° 1.8V to 5.5V (unless otherwise noted Condition Min Except XTAL1 and -0.5 RESET pins XTAL1 pin, -0.5 External Clock Selected RESET pin -0 ...

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... CC Idle 1MHz Idle 4MHz Idle 8MHz WDT enabled WDT disabled (for all ports) should not exceed 60 mA (for all ports) should not exceed 60 mA ATtiny261A (1) Min Typ Max 0.2 0.5 1.2 2 3.6 7 0.035 0.15 0.25 0.4 0 ...

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... System and Reset Characteristics 1.4.1 Enhanced Power-On Reset Table 1-3. Symbol V POR V POA SR ON Note: ATtiny261A Fixed voltage within: 1.8V – 5.5V Characteristics of Enhanced Power-On Reset. T Parameter Release threshold of power-on reset Activation threshold of power-on reset Power-On Slope Rate 1. Values are guidelines, only. 2. Threshold where device is released from reset when voltage is rising. ...

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... REF CC ADC clock = 200 kHz 4V, REF CC ADC clock = 200 kHz Free Running Conversion Single Ended Conversions Differential Conversions Single Ended Conversions Differential Conversions Single Ended Conversions Differential Conversions (1) V > 3. ATtiny261A Min Typ Max 1.5 2.5 1 0.5 2.5 1.5 13 260 50 1000 0.3 ...

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... Table 1-5. Symbol 1/t CLCL t CLCL 1/t CLCL t CLCL t SHSL t SLSH t OVSH t SHOX t SLIV Note: ATtiny261A 6 Serial Programming Waveforms MSB (MOSI) MSB (MISO) (SCK) SAMPLE Serial Programming Timing MOSI t OVSH SCK t SHSL MISO Serial Programming Characteristics, T (Unless Otherwise Noted) Parameter Oscillator Frequency Oscillator Period Oscillator Frequency ( ...

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... Timer disabled represents the differential current drawn by the Watchdog Timer. The current drawn from pins with a capacitive load may be estimated (for one pin) as follows: ≈ where V I/O pin. 8197C–Appendix A–AVR–08/11 × × operating voltage load capacitance and ATtiny261A = average switching frequency ...

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... Current Consumption in Active Mode Figure 2-1. Figure 2-2. 1,2 0,8 0,6 0,4 0,2 ATtiny261A 8 Active Supply Current vs 1,5 2 2,5 3 Active Supply Current vs 1,5 2 2,5 3 (Internal Calibrated Oscillator, 8 MHz) CC 3 (V) CC (Internal Calibrated Oscillator, 1 MHz) CC 3 (V) CC 8197C–Appendix A–AVR–08/11 125 °C 85 ° ...

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... Current Consumption in Idle Mode Figure 2-4. 1,4 1,2 0,8 0,6 0,4 0,2 8197C–Appendix A–AVR–08/11 Active Supply Current vs 1,5 2 2,5 3 Idle Supply Current vs 1,5 2 2,5 3 ATtiny261A (Internal Calibrated Oscillator, 128 kHz) CC 3 (V) CC (Internal Calibrated Oscillator, 8 MHz) 3 (V) CC -40 °C 125 °C 25 °C 85 °C 5,5 125 ° ...

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... Figure 2-5. 0,35 0,3 0,25 0,2 0,15 0,1 0,05 0 Figure 2-6. 0,025 0,02 0,015 0,01 0,005 0 ATtiny261A 10 Idle Supply Current vs. V (Internal Calibrated Oscillator, 1 MHz) CC 1,5 2 2,5 3 Idle Supply Current vs. V (Internal Calibrated Oscillator, 128 kHz) CC 1,5 2 2,5 3 3 (V) CC 3 (V) CC 8197C–Appendix A–AVR–08/11 125 °C 85 °C 25 °C -40 °C 5,5 125 °C -40 ° ...

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... Figure 2- 8197C–Appendix A–AVR–08/11 Power-down Supply Current vs. V 1,5 2 2,5 3 Power-down Supply Current vs. V 1,5 2 2,5 3 ATtiny261A (Watchdog Timer Disabled) CC 3 (V) CC (Watchdog Timer Enabled) CC 3 (V) CC 125 °C 85 °C 25 °C -40 °C 5,5 125 °C -40 °C 25 ° ...

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... Current Consumption of Peripheral Units Figure 2- Figure 2-10. Programming Current vs. V 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 ATtiny261A 12 Brownout Detector Current vs 1,5 2 2,5 3 1 3 3,5 4 4,5 V (V) CC 8197C–Appendix A–AVR–08/11 125 °C 85 °C 25 ° ...

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... Figure 2-11. Pull-Up Resistor Current vs. Input Voltage (I/O Pin, V Figure 2-12. Pull-Up Resistor Current vs. Input Voltage (I/O Pin 8197C–Appendix A–AVR–08/ 0,2 0,4 0,6 0 0,5 1 ATtiny261A = 1.8V 1,2 1,4 1,6 1 2.7V) CC 1,5 2 2 °C 85 °C -40 °C 125 ° °C 85 °C -40 °C 125 °C ...

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... Figure 2-13. Pull-Up Resistor Current vs. Input Voltage (I/O Pin, V 160 140 120 100 Figure 2-14. Pull-Up Resistor Current vs. Input Voltage (Reset Pin ATtiny261A 0,2 0,4 0,6 0 1.8V 1,2 1,4 1,6 V (V) RESET 8197C–Appendix A–AVR–08/11 25 °C 85 ° ...

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... Figure 2-15. Pull-Up Resistor Current vs. Input Voltage (Reset Pin, V Figure 2-16. Pull-Up Resistor Current vs. Input Voltage (Reset Pin, V 120 100 8197C–Appendix A–AVR–08/ 0 0,5 1 1,5 2 ATtiny261A = 2.7V) CC 1,5 2 2,5 V (V) RESET = 5V) CC 2,5 3 3,5 4 4,5 V (V) RESET 25 °C -40 °C 85 °C 125 ° °C -40 ° ...

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... Output Driver Strength Figure 2-17. V 0,4 0,35 0,3 0,25 0,2 0,15 0,1 0,05 0 Figure 2-18. V 0,5 0,4 0,3 0,2 0,1 ATtiny261A 16 : Output Voltage vs. Sink Current (I/O Pin Output Voltage vs. Sink Current (I/O Pin 1.8V (mA 3V (mA) OL 8197C–Appendix A–AVR–08/11 125 °C 85 °C 25 °C -40 °C 5 125 °C 85 °C 25 °C -40 ° ...

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... Figure 2-20. V 1,8 1,7 1,6 1,5 1,4 1,3 8197C–Appendix A–AVR–08/11 : Output Voltage vs. Sink Current (I/O Pin Output Voltage vs. Source Current (I/O Pin ATtiny261A = 5V (mA 1.8V (mA) OH 125 °C 85 °C 25 °C -40 °C 20 -40 °C 25 °C 85 °C 125 °C ...

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... Figure 2-21. V 2,9 2,8 2,7 2,6 2,5 Figure 2-22 4,8 4,6 4,4 4,2 ATtiny261A 18 : Output Voltage vs. Source Current (I/O Pin Output Voltage vs. Source Current (I/O Pin 3V (mA 5V (mA) OH 8197C–Appendix A–AVR–08/11 -40 °C 25 °C 85 °C 125 °C 10 -40 °C 25 °C 85 °C 125 °C ...

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... Figure 2-23. V Figure 2-24. V 0,8 0,6 0,4 0,2 8197C–Appendix A–AVR–08/11 : Output Voltage vs. Sink Current (Reset Pin as I/ 0,8 0,6 0,4 0 0,1 0,2 : Output Voltage vs. Sink Current (Reset Pin as I/ 0,1 0,2 0,3 ATtiny261A = 1.8V) CC 0,3 0,4 0,5 I (mA 3V) CC 0,4 0,5 0,6 0,7 I (mA) OL 125 °C 85 °C 25 °C -40 °C 0,6 125 °C 85 °C 25 °C -40 °C 0,8 19 ...

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... Figure 2-25. V 0,8 0,6 0,4 0,2 0 Figure 2-26 ATtiny261A 20 : Output Voltage vs. Sink Current (Reset Pin as I/ 0,1 0,2 0,3 : Output Voltage vs. Source Current (Reset Pin as I/ 0,2 0,4 = 5V) CC 0,4 0,5 0,6 0,7 I (mA 1.8V) CC 0,6 0,8 I (mA) OH 8197C–Appendix A–AVR–08/11 125 °C 85 °C 25 °C -40 °C 0,8 -40 °C 25 °C 85 °C 125 °C ...

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... A–AVR–08/11 : Output Voltage vs. Source Current (Reset Pin as I/ 0,2 0,4 : Output Voltage vs. Source Current (Reset Pin as I/ 0,2 0,4 ATtiny261A = 3V) CC 0,6 0,8 I (mA 5V) CC 0,6 0,8 I (mA) OH -40 °C 25 °C 85 °C 125 °C 1 125 °C 85 °C 25 °C -40 ° ...

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... Input Thresholds and Hysteresis Figure 2-29. V 3,5 2,5 1,5 0,5 Figure 2-30. V 2,5 1,5 0,5 ATtiny261A 22 : Input Threshold Voltage vs 1 Input Threshold Voltage vs 1,5 2 2,5 3 (I/O Pin, Read as ‘1’) CC 3 (V) CC (I/O Pin, Read as ‘0’) CC 3 (V) CC 8197C–Appendix A–AVR–08/11 125 °C 85 ° ...

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... Figure 2-31. V 0,6 0,5 0,4 0,3 0,2 0,1 Figure 2-32. V 8197C–Appendix A–AVR–08/ Input Hysteresis vs -40 °C 25 °C 85 °C 125 °C 0 1 Input Threshold Voltage vs 2,5 2 1,5 -40 °C 25 °C 85 °C 1 125 °C 0,5 0 1,5 2 2,5 3 ATtiny261A (I/O Pin) CC 3 (V) CC (Reset Pin, Read as ‘1’) CC 3 (V) CC 5,5 5,5 23 ...

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... Figure 2-33. V 2,5 1,5 0,5 Figure 2-34 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2 0,1 0 ATtiny261A 24 : Input Threshold Voltage vs 1 Input Hysteresis vs -40 °C 25 °C 85 °C 125 °C 1,5 2 2,5 3 (Reset Pin, Read as ‘0’) CC 3 (V) CC (Reset Pin) CC 3 (V) CC 8197C–Appendix A–AVR–08/11 125 °C 85 °C 25 ° ...

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... BOD, Bandgap and Reset Figure 2-35. BOD Threshold vs. Temperature (BOD Level set to 4.3V) 4,38 4,36 4,34 4,32 4,3 4,28 4,26 4,24 Figure 2-36. BOD Threshold vs. Temperature (BOD Level set to 2.7V) 8197C–Appendix A–AVR–08/11 -40 - Temperature (C) 2,78 2,76 2,74 2,72 2,7 2,68 2,66 -40 - ATtiny261A 100 100 120 Temperature (C) V RISING CC V FALLING CC 120 140 V RISING CC V FALLING CC 140 25 ...

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... Figure 2-37. BOD Threshold vs. Temperature (BOD Level set to 1.8V) 1,85 1,84 1,83 1,82 1,81 1,79 1,78 Figure 2-38. Bandgap Voltage vs. Supply Voltage. 1,11 1,1 1,09 1,08 1,07 ATtiny261A 26 1,8 -40 - Temperature (C) 1,5 2 100 120 3,5 4,5 V (V) CC 8197C–Appendix A–AVR–08/11 V RISING CC V FALLING CC 140 85 °C 125 °C 25 °C -40 °C 5,5 ...

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... Internal Oscillators Figure 2-40. Frequency of Watchdog Oscillator vs. V 130000 125000 120000 115000 110000 8197C–Appendix A–AVR–08/11 0 1,5 2 2,5 3 1,5 2 2,5 3 ATtiny261A CC 3 3 (V) CC 125 °C 85 °C 25 °C -40 °C 5,5 -40 °C 25 °C 85 °C 125 °C ...

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... Figure 2-41. Frequency of Watchdog Oscillator vs. Temperature 130000 125000 120000 115000 110000 Figure 2-42. Frequency of Calibrated 8.0 MHz Oscillator vs. V 8,4 8,2 8 7,8 7,6 1,5 ATtiny261A 28 -40 - Temperature 2 2 100 120 CC 3 (V) CC 8197C–Appendix A–AVR–08/11 1.8 V 3.0 V 5.0 V 140 -40 °C 25 °C 85 °C 125 °C 5,5 ...

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... Figure 2-44. Frequency of Calibrated 8.0 MHz Oscillator vs. OSCCAL Value 8197C–Appendix A–AVR–08/11 8 -40 - ATtiny261A 100 Temperature 112 128 144 160 176 192 208 224 OSCCAL (X1) 5.0 V 3.0 V 1.8 V 120 140 -40 °C 25 °C 85 °C 125 ° ...

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... Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also halide-free and fully green. 32M1-A 32-pad 1.0 mm Body, Lead Pitch 0.50 mm, Micro Lead Frame Package (MLF) ATtiny261A 30 (1) (1) Ordering Code Package ATtiny261A-MN 32M1-A Package Type Operational Range Industrial (-40°C to +105°C) 8197C–Appendix A–AVR–08/11 ...

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... Revision History Revision No. 8197A–Appendix A–AVR–06/10 8197C–Appendix A–AVR–08/11 8197C–Appendix A–AVR–08/11 History Initial revision Updated contact information ATtiny261A 31 ...

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... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2011 Atmel Corporation. All rights reserved. Atmel marks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia Limited Atmel Munich GmbH Unit 1-5 & ...