ATMEGA8L-8PJ Atmel, ATMEGA8L-8PJ Datasheet - Page 237
ATMEGA8L-8PJ
Manufacturer Part Number
ATMEGA8L-8PJ
Description
IC MCU AVR 8K 5V 8MHZ 28-DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8L-8PJ
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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External Clock
Drive Waveforms
External Clock
Drive
2486Z–AVR–02/11
Figure 114. External Clock Drive Waveforms
Table 99. External Clock Drive
Table 100. 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 3kΩ - 100kΩ, and C should be at least 20pF. The C values given in
2. The frequency will vary with package type and board layout
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
R [kΩ]
33
10
V
IL1
(1)
V
IH1
V
CC
Min
125
50
50
0
= 2.7V to
C [pF]
22
22
Max
1.6
1.6
5.5
2
8
V
V
CC
62.5
Min
25
25
0
= 4.5V to
650kHz
2.0MHz
ATmega8(L)
Max
0.5
0.5
16
5.5
2
f
(2)
V
Units
MHz
μs
ns
%
237
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