ATtiny26 Atmel Corporation, ATtiny26 Datasheet - Page 128

• Manufacturer Part Number: ATtiny26
• Manufacturer: Atmel Corporation

Specifications of ATtiny26

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 11
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 3
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

External Clock
Drive Waveforms
External Clock
Drive
128
ATtiny26(L)
Figure 70. External Clock Drive Waveforms
Table 63. External Clock Drive
Table 64. External RC Oscillator, Typical Frequencies
Notes:
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
1. R should be in the range 3 kΩ - 100 kΩ, and C should be at least 20 pF. The C values given in
2. The frequency will vary with package type and board layout.
R [kΩ]
the table includes pin capacitance. This will vary with package type.
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock
cycle to the next
33
10
V
IL1
(1)
V
IH1
C [pF]
22
22
V
Min
125
CC
50
50
0
= 2.7 - 5.5V
Max
1.6
1.6
8
2
V
62.5
Min
CC
25
25
0
= 4.5 - 5.5V
650 kHz
2.0 MHz
f
(2)
Max
0.5
0.5
16
2
Units
MHz
1477K–AVR–08/10
ns
ns
ns
μs
μs