AT89LP214-20PU Atmel, AT89LP214-20PU Datasheet - Page 82

• Manufacturer Part Number: AT89LP214-20PU
• Description: MCU 8051 2K FLASH 20MHZ 14-PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP214-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

24.3.5
82
AT89LP213/214
Push-Pull Output
Figure 24-8. Push-Pull Output I-V Characteristic at 5V
Figure 24-9. Push-Pull Output I-V Characteristic at 3V
Note:
Under DC operating conditions the Push-Pull Outputs exhibit reduced V
atures due to the 5V tolerant port structure. Under AC conditions a boost circuit provides
additional source current. If additional DC source current is required, or if V
pull-ups may be needed. DC conditions are most likely to exist when the device enters Power-
down mode.
-10
-12
-10
-12
-2
-4
-6
-8
-2
-4
-6
-8
0
0
0.0
I/O DC Source Current vs. Output Voltage (VCC = 5V)
I/O DC Source Current vs. Output Voltage (VCC = 3V)
0
0.5
1
1.0
2
V
V
OH1
OH1
1.5
(V)
(V)
3
2.0
4
2.5
3.0
OH
5
levels at higher temper-
OH
is too low, external
3538E–MICRO–11/10
85C
-40C
25C
85C
-40C
25C