AT90LS4433-4AC Atmel, AT90LS4433-4AC Datasheet - Page 107

• Manufacturer Part Number: AT90LS4433-4AC
• Description: IC MCU 4K 4MHZ A/D LV 32TQFP
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS4433-4AC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: A/D 6x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1042H–AVR–04/03
Figure 81. Watchdog Oscillator Frequency vs. V
Sink and source capabilities of I/O ports are measured on one pin at a time.
Figure 82. Pull-up Resistor Current vs. Input Voltage
120
100
16
14
12
1
80
60
40
20
8
6
4
2
0
2
0
0.5
2.5
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
WATCHDOG OSCILLATOR FREQUENCY vs. V
1
3
T
T
A
A
1.5
= 85˚C
= 25˚C
3.5
2
V
V
V
CC
2.5
CC
OP
4
= 5V
(V)
(V)
CC
3
4.5
AT90S/LS4433
3.5
5
CC
4
T
A
5.5
= 25˚C
4.5
T
A
= 85˚C
107
6
5