Datasheet

180
8183F–AVR–06/12
ATtiny24A/44A/84A
20.7 Analog Comparator Characteristics
Note: All parameters are based on simulation results and are not tested in production
20.8 Serial Programming Characteristics
Figure 20-3. Serial Programming Timing
Figure 20-4. Serial Programming Waveform
Table 20-10. Analog Comparator Characteristics, T
A
= -40°C to +85°C
Symbol Parameter Condition Min Typ Max Units
V
AIO
Input Offset Voltage V
CC
= 5V, V
IN
= V
CC
/ 2 < 10 40 mV
I
LAC
Input Leakage Current V
CC
= 5V, V
IN
= V
CC
/ 2 -50 50 nA
t
APD
Analog Propagation Delay
(from saturation to slight overdrive)
V
CC
= 2.7V 750
ns
V
CC
= 4.0V 500
Analog Propagation Delay
(large step change)
V
CC
= 2.7V 100
V
CC
= 4.0V 75
t
DPD
Digital Propagation Delay V
CC
= 1.8V - 5.5 1 2 CLK
Table 20-11. Serial Programming Characteristics, T
A
= -40°C to +85°C, V
CC
= 1.8 - 5.5V
(Unless Otherwise Noted)
Symbol Parameter Min Typ Max Units
1/t
CLCL
Oscillator Frequency 0 4 MHz
t
CLCL
Oscillator Period 250 ns
1/t
CLCL
Oscillator Freq. (V
CC
= 4.5V - 5.5V) 0 20 MHz
M
OSI
M
ISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT