ATTINY43U-SUR Atmel, ATTINY43U-SUR Datasheet - Page 166

• Manufacturer Part Number: ATTINY43U-SUR
• Description: MCU AVR 4KB FLASH 8MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY43U-SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATtiny43U
Figure 21-2. Boost Converter Efficiency vs. Load Current and V
Figure 21-3. Input Voltage Required to Maintain Regulation vs. Load Current
90
80
70
60
0
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0
TYPICAL V
BOOST CONVERTER EFFICIENCY vs. LOAD CURRENT
BAT
10
VOLTAGES REQUIRED TO MAINTAIN OUTPUT REGULATION
10
Load Current (mA)
Load Current (mA)
V
BAT
= 0.7 V
20
20
BAT
Voltage
8048B–AVR–03/09
30
V
V
V
V
BAT
BAT
BAT
BAT
30
= 1.8 V
= 1.5 V
= 1.2 V
= 1.0 V