Datasheet

20
8006KS–AVR–10/10
ATtiny24/44/84
9. Datasheet Revision History
Please note that the referring page numbers refer to the complete document.
9.1 Rev K. - 10/10
1. Added note for Internal 1.1V Reference in Table 16-4 on page 146.
2. Added tape & reel in Section 24. “Ordering Information” on page 217.
3. Updated last page.
9.2 Rev J. - 08/10
1. Updated Section 6.4 “Clock Output Buffer” on page 30, changed CLKO to CKOUT.
2. Removed text "Not recommended for new design" from cover page.
9.3 Rev I. - 06/10
1. Removed “Preliminary” from cover page.
2. Updated notes in Table 19-16, “High-voltage Serial Programming Instruction Set for
ATtiny24/44/84,” on page 171.
3. Added clarification before Table 6-8, “Capacitance for the Low-Frequency Crystal
Oscillator,” on page 28.
4. Updated some table notes in Section 20. “Electrical Characteristics” on page 174.
9.4 Rev H. 10/09
1. Updated document template. Re-arranged some sections.
2. Updated “Low-Frequency Crystal Oscillator” with the Table 6-8 on page 28
3. Updated Tables:
– “Active Clock Domains and Wake-up Sources in Different Sleep Modes” on page 33
– “DC Characteristics” on page 174
– “Register Summary” on page 213
4. Updated Register Description:
– “ADMUX – ADC Multiplexer Selection Register” on page 145
5. Signature Imprint Reading Instructions updated in “Reading Device Signature Imprint
Table from Firmware” on page 156.
6. Updated Section:
– Step 1. on page 164
7. Added Table:
– “Analog Comparator Characteristics” on page 179
8. Updated Figure:
– “Active Supply Current vs. frequency (1 - 20 MHz)” on page 187
9. Updated Figure 21-30 on page 201 and Figure 21-33 on page 202 under “Pin Thresh-
old and Hysteresis”.
10. Changed ATtiny24/44 device status to “Not Recommended for New Designs. Use:
ATtiny24A/44A”.