Datasheet

138
XMEGA A3U [DATASHEET]
Atmel-8386D-AVR-ATxmega64A3U-128A3U-192A3U-256A3U–03/2014
36.4.5 I/O Pin Characteristics
The I/O pins comply with the JEDEC LVTTL and LVCMOS specification and the high- and low level input and output
voltage limits reflect or exceed this specification.
Table 36-103.I/O pin characteristics.
Notes: 1. The sum of all I
OH
for PORTA and PORTB must not exceed 100mA.
The sum of all I
OH
for PORTC, PORTD, PORTE must for each port not exceed 200mA.
The sum of all I
OH
for pins PF[0-5] on PORTF must not exceed 200mA.
The sum of all I
OL
for pins PF[6-7] on PORTF, PORTR and PDI must not exceed 100mA.
2. The sum of all I
OL
for PORTA and PORTB must not exceed 100mA.
The sum of all I
OL
for PORTC, PORTD, PORTE must for each port not exceed 200mA.
The sum of all I
OL
for pins PF[0-5] on PORTF must not exceed 200mA.
The sum of all I
OL
for pins PF[6-7] on PORTF, PORTR and PDI must not exceed 100mA.
Symbol Parameter Condition Min. Typ. Max. Units
I
OH
(1)
/
I
OL
(2)
I/O pin source/sink current -20 20 mA
V
IH
High Level Input Voltage
V
CC
= 2.7 - 3.6V 2 V
CC
+0.3
VV
CC
= 2.0 - 2.7V 0.7*V
CC
V
CC
+0.3
V
CC
= 1.6 - 2.0V 0.8*V
CC
V
CC
+0.3
V
IL
Low Level Input Voltage
V
CC
= 2.7- 3.6V -0.3 0.8
VV
CC
= 2.0 - 2.7V -0.3 0.3*V
CC
V
CC
= 1.6 - 2.0V -0.3 0.2*V
CC
V
OH
High Level Output Voltage
V
CC
= 3.0 - 3.6V I
OH
= -2mA 2.4 0.94*V
CC
V
V
CC
= 2.3 - 2.7V
I
OH
= -1mA 2.0 0.96*V
CC
I
OH
= -2mA 1.7 0.92*V
CC
V
CC
= 3.3V I
OH
= -8mA 2.6 2.9
V
CC
= 3.0V I
OH
= -6mA 2.1 2.6
V
CC
= 1.8V I
OH
= -2mA 1.4 1.6
V
OL
Low Level Output Voltage
V
CC
= 3.0 - 3.6V I
OL
= 2mA 0.05*V
CC
0.4
V
V
CC
= 2.3 - 2.7V
I
OL
= 1mA 0.03*V
CC
0.4
I
OL
= 2mA 0.06*V
CC
0.7
V
CC
= 3.3V I
OL
= 15mA 0.4 0.76
V
CC
= 3.0V I
OL
= 10mA 0.3 0.64
V
CC
= 1.8V I
OL
= 5mA 0.3 0.46
I
IN
Input Leakage Current T = 25°C <0.001 0.1 µA
R
P
Pull/Buss keeper Resistor 27 k
t
r
Rise time No load
4
ns
slew rate limitation 7