AT89LP51 Atmel Corporation, AT89LP51 Datasheet - Page 100

• Manufacturer Part Number: AT89LP51
• Manufacturer: Atmel Corporation

Specifications of AT89LP51

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 36
• Uart: 1
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI
• Watchdog: Yes

18.4
The values shown in this table are valid for T
Figure 18-13. External Clock Drive Waveform
100
Clock Characteristics
AT89LP51/52
Figure 18-11. Push-Pull Output I-V Sink Characteristic at 5V
Figure 18-12. Push-Pull Output I-V Sink Characteristic at 3V
Note:
The I
10
10
OL
8
6
4
2
0
8
6
4
2
0
0.0
0.0
/V
OL
A
characteristic applies to Push-Pull, Quasi-Bidirectional and Open-Drain modes.
= -40°C to 85°C and V
0.1
0.2
0.2
0.4
V
V
OL
OL
DD
0.3
(V)
(V)
= 2.4 to 5.5V, unless otherwise noted.
0.6
0.4
0.8
0.5
0.6
1.0
3709D–MICRO–12/11
85C
-40C
25C
85C
-40C
25C