ATMEGA48-20MJ Atmel, ATMEGA48-20MJ Datasheet - Page 303

• Manufacturer Part Number: ATMEGA48-20MJ
• Description: IC AVR MCU 4K 5V 20MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MJ

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA48-24MJ; ATMEGA48-24MJ

T
Notes:
2545S–AVR–07/10
A
Symbol
I
V
I
t
CC
ACLK
ACID
ACIO
= -40°C to 85°C, V
1. “Max” means the highest value where the 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 (20 mA at V
4. Although each I/O port can source more than the test conditions (20 mA at V
5. Values with “Minimizing Power Consumption” on page9.8 enabled (0xFF).
conditions (non-transient), the following must be observed:
ATmega48/88/168:
1] The sum of all I
2] The sum of all I
3] The sum of all I
If I
than the listed test condition.
conditions (non-transient), the following must be observed:
ATmega48/88/168:
1] The sum of all I
2] The sum of all I
If II
greater than the listed test condition.
Parameter
Power Supply Current
Power-down mode
Analog Comparator
Input Offset Voltage
Analog Comparator
Input Leakage Current
Analog Comparator
Propagation Delay
OL
OH
exceeds the test condition, V
exceeds the test condition, V
CC
= 1.8V to 5.5V (unless otherwise noted) (Continued)
OL
OL
OL
OH
OH
, for ports C0 - C5, ADC7, ADC6 should not exceed 100 mA.
, for ports B0 - B5, D5 - D7, XTAL1, XTAL2 should not exceed 100 mA.
, for ports D0 - D4, RESET should not exceed 100 mA.
, for ports C0 - C5, D0- D4, ADC7, RESET should not exceed 150 mA.
, for ports B0 - B5, D5 - D7, ADC6, XTAL1, XTAL2 should not exceed 150 mA.
(5)
Condition
Active 1 MHz, V
(ATmega48/88/168V)
Active 4 MHz, V
(ATmega48/88/168L)
Active 8 MHz, V
(ATmega48/88/168)
Idle 1 MHz, V
(ATmega48/88/168V)
Idle 4 MHz, V
(ATmega48/88/168L)
Idle 8 MHz, V
(ATmega48/88/168)
WDT enabled, V
WDT disabled, V
V
V
V
V
V
V
CC
in
CC
in
CC
CC
OL
= V
= V
OH
= 5V
= 5V
= 2.7V
= 4.0V
may exceed the related specification. Pins are not guaranteed to sink current greater
CC
CC
may exceed the related specification. Pins are not guaranteed to source current
/2
/2
CC
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
= 2V
= 3V
= 5V
= 3V
= 3V
Min.
-50
CC
CC
= 5V, 10 mA at V
= 5V, 10 mA at V
Typ.
0.25
750
500
10
8
1
ATmega48/88/168
CC
CC
Max.
0.55
= 3V) under steady state
3.5
0.5
1.5
5.5
12
15
40
50
2
= 3V) under steady state
Units
mA
mV
µA
nA
ns
303