AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 172

• Manufacturer Part Number: AT89LP6440-20PU
• Description: MCU 8051 64K FLASH ISP 40PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP6440-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 38
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 8K x 8
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

26.3.2
172
AT89LP6440 - Preliminary
Supply Current (External Clock)
Figure 26-3. Active Supply Current vs. Frequency
Figure 26-4. Idle Supply Current vs. Frequency
Note:
All characteristics contained in this datasheet are based on simulation and characterization of
other microcontrollers manufactured in the same process technology. These values are prelimi-
nary values representing design targets, and will be updated after characterization of actual
silicon.
20
18
16
14
12
10
8
6
4
2
0
7
6
5
4
3
2
1
0
0
0
Active Supply Current vs. Frequency
Idle Supply Current vs. Frequency
5
5
External Clock Source
External Clock Source
Frequency (MHz)
Frequency (MHz)
10
10
15
15
20
20
25
25
3706A–MICRO–9/09
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V