appendix b - atmel attiny24v/attiny44v/attiny84v automotive specification at 1.8v this document contains information specific to devices operating at voltage between 1.8v and 3.6v. only deviations with standard operating characteristics are covered in this appendix. all other information can be found in the complete automotive datasheet. the complete atmel attiny24/attiny44/attiny84 automotive datasheet can be found on www.atmel.com. 8-bit microcontroller with 2/4/8k bytes in-system programmable flash atmel attiny24v attiny44v attiny84v appendix b preliminary 7819c?avr?10/10
2 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] 1. electrical characteristics 1.1 absolute maximum ratings stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions beyond t hose indicated in the operational sections of this specification is not implied. exposure to absolute maximum rati ng conditions for extended periods may affect device reliability . parameters value unit operating temperature ?40 to +85 c storage temperature ?65 to +175 c voltage on any pin except reset with respect to ground ?0.5 to v cc + 0.5 v maximum operating voltage 6.0 v dc current per i/o pin 30.0 ma dc current v cc and gnd pins 200.0 ma 1.2 dc characteristics t a = ?40 c to +85 c, v cc = 1.8v to 3.6v (unless otherwise noted) symbol parameters condition min. typ. max. unit v il input low voltage, except xtal1 and reset pin v cc = 1.8v to 3.6v ?0.5 +0.2v cc (1) v v ih input high voltage, except xtal1 and reset pins v cc = 1.8v to 3.6v 0.7v cc (2) v cc + 0.5 v v il1 input low voltage, xtal1 pin v cc = 1.8v to 3.6v ?0.5 +0.2v cc (1) v v ih1 input high voltage, xtal1 pin v cc = 1.8v to 3.6v 0.9v cc (2) v cc + 0.5 v v il2 input low voltage, reset pin v cc = 1.8v to 3.6v ?0.5 +0.2v cc (1) v v ih2 input high voltage, reset pin v cc = 1.8v to 3.6v 0.9v cc (2) v cc + 0.5 v v ol output low voltage (3) , i/o pin except reset i ol = 2ma, v cc = 1.8v 0.2 v v oh output high voltage (4) , i/o pin except reset i oh = ?2ma, v cc = 1.8v 1.2 v i cc power supply current active 4mhz, v cc = 3v 0.8 2.5 ma idle 4mhz, v cc = 3v 0.2 0.5 ma power-down mode wdt disabled, v cc = 3v wdt enabled, v cc = 3v 0.2 4 24 30 a v acio analog comparator input offset voltage v cc = 2.7v v in = v cc /2 <10 40 mv i aclk analog comparator input leakage current v cc = 2.7v v in = v cc /2 ?50 +50 na notes: 1. ?max? means the highest value where t he pin is guaranteed to be read as low 2. ?min? means the lowest value where the pin is guaranteed to be read as high 3. although each i/o port can sink more than the test conditions (2ma at v cc = 1.8v) u nder steady state conditions (non-tran- sient), the following must be observed: (1) the sum of all i ol , for all ports, should not exceed 50ma. if i ol exceeds the test condition, v ol may exceed the related specification. pins are not guaranteed to sink current greater than the listed test condition. 4. although each i/o port can source more than the test condit ions (0.5ma at v cc = 1.8v) under steady state conditions (non- transient), the following must be observed: (1) the sum of all i ol , for ports b0 to b5, should not exceed 50ma. if i ol exceeds the test condition, v ol may exceed the related specification. pins are not guaranteed to sink current greater than the listed test condition .
3 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] 1.3 maximum speed versus v cc maximum frequency is dependent on v cc. as shown in figure 1-1 , the maximum frequency vs. v cc curve is linear between 1.8v < v cc < 3.6v. figure 1-1. maximum frequency versus v cc 1.4 clock characterizations 1.5 system and reset characterizations 4 mhz 8 mhz 1. 8 v 2.7v 3 .6v sa fe oper a ting are a table 1-1. calibration accuracy of internal rc oscillator frequency v cc temperature accuracy user calibration 7.3mhz to 8.1mhz 1.8v to 3.6v ?40 c to +85 c25% table 1-2. bodlevel fuse coding (1) bodlevel min v bot typ v bot max v bot unit note 111 bod disabled 110 1.7 1.8 2.0 v a 001 1.7 1.9 2.1 c 000 1.8 2.0 2.2 c 010 2.0 2.2 2.4 c 011 2.1 2.3 2.5 c 101 2.5 2.7 2.9 a *) type means: a = 100% tested, c = characterized on samples note: 1. v bot may be below nominal minimum operating voltage for some devices. for devices where this is the case, the device is tested down to v cc = v bot during the production test. this guarantees that a brown-out reset will occur before v cc drops to a voltage where correct operation of the microcontroller is no longer guaranteed
4 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] 1.6 adc characteristics t a = ?40c to +85c, v cc = 1.8v to 3.6v (unless otherwise noted) symbol parameters test conditions min. typ. max. unit resolution single ended conversion 10 bits absolute accuracy (including inl, dnl, quantization error, gain and offset error) v cc = 1.8v, v ref = 1.8v, adc clock = 200khz 24.0lsb v cc = 1.8v, v ref = 1.8v, adc clock = 200khz noise reduction mode 24.0lsb integral non-linearity (inl) v cc = 1.8v, v ref = 1.8v, adc clock = 200khz 0.5 1.5 lsb differential non-linearity (dnl) v cc = 1.8v, v ref = 1.8v, adc clock = 200khz 0.2 0.7 lsb gain error v cc = 1.8v, v ref = 1.8v, adc clock = 200khz ?7.0 ?3.0 +5.0 lsb offset error v cc = 1.8v, v ref = 1.8v, adc clock = 200khz ?3.5 +1.5 +3.5 lsb v ref reference voltage 1.8 av cc v 1.7 adc characteristics t a = ?40 c to +85 c, v cc = 1.8v to 3.6v (unless otherwise noted) symbol parameters test conditions min. typ. max. unit resolution differential conversion, gain = 1x bipolar mode only 8bits absolute accuracy (including inl, dnl, quantization error, gain and offset error) gain = 1x, v cc = 1.8v, v ref =1.3v, adc clock = 125khz 1.6 5.0 lsb integral non-linearity (inl) gain = 1x, v cc = 1.8v, v ref = 1.3v, adc clock = 125khz 0.7 2.5 lsb differential non-linearity (dnl) gain = 1x, v cc = 1.8v, v ref = 1.3v, adc clock = 125khz 0.3 1.0 lsb gain error gain = 1x, v cc = 1.8v, v ref = 1.3v, adc clock = 125khz ?7.0 +1.50 +7.0 lsb offset error gain = 1x, v cc = 1.8v. v ref = 1.3v, adc clock = 125khz ?4.0 0.0 +4.0 lsb v ref reference voltage 1.30 avcc ? 0.5 v
5 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] 3. package information 2. ordering information power supply speed (mhz) isp flash ordering code package operation range 1.8v to 3.6v 4-8 2kb atmel attiny24v-1 5sst tu automotive (?40c to +85c) 1.8v to 3.6v 4-8 2kb atmel ATTINY24V-15MT pn automotive (?40c to +85c) 1.8v to 3.6v 4-8 4kb atmel attiny44v-1 5sst tu automotive (?40c to +85c) 1.8v to 3.6v 4-8 4kb atmel attiny44v-15mt pn automotive (?40c to +85c) 1.8v to 3.6v 4-8 8kb atmel attiny84v-15mt pn automotive (?40c to +85c) table 3-1. package types package type description tu tu 14-lead, 0.150? body width plastic gull wing small outline package (soic) pn pn 32-lead, 5.0 5.0mm body, 0.50mm pitch quad flat no-lead package (qfn)
6 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] figure 3-1. tu
7 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] figure 3-2. pn
8 7819c?avr?10/10 atmel attiny24v/44v/84v [preliminary] 4. datasheet revision history 4.1 revision c - 10/10 1. bod values updated. 4.2 revision b - 09/10 1. bod values updated.
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