AT89LP2052 Atmel Corporation, AT89LP2052 Datasheet - Page 79

• Manufacturer Part Number: AT89LP2052
• Manufacturer: Atmel Corporation

Specifications of AT89LP2052

• Flash (kbytes): 2 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 15
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.25
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 2
• Isp: SPI
• Watchdog: Yes

24.2
T
Notes:
3547J–MICRO–10/09
V
V
V
V
V
V
V
I
I
I
V
V
RRST
C
I
A
IL
TL
LI
CC
IL
IL1
IH
IH1
OL
OH
OH1
OS
CM
IO
= -40°C to 85°C, V
Symbol
DC Characteristics
1. Under steady state (non-transient) conditions, I
2. Port in Quasi-Bidirectional Mode
3. Port in Push-Pull Output Mode
4. Minimum V
Maximum I
Maximum total I
If I
than the listed test conditions.
OL
Parameter
Input Low-voltage
Input Low-voltage
Input High-voltage
Input High-voltage
Output Low-voltage (Ports 1, 3)
Output High-voltage (Ports 1, 3)
using Weak Pull-up
Output High-voltage (Ports 1, 3)
using Strong Pull-up
Logic 0 Input Current
(Ports 1, 3)
Logic 1 to 0 Transition Current
(Ports 1, 3)
Input-Only Leakage Current
Comparator Input Offset Voltage
Comparator Input Common Mode
Voltage
Reset Pull-down Resistor
Pin Capacitance
Power Supply Current
Power-down Mode
exceeds the test condition, V
OL
CC
CC
per port pin: 10 mA
for Power-down is 2V.
= 2.4V to 5.5V (unless otherwise noted)
OL
for all output pins: 15 mA
(4)
(2)
(3)
(2)
OL
(2)
(1)
may exceed the related specification. Pins are not guaranteed to sink current greater
Condition
(Except RST)
(RST)
(Except RST)
(RST)
I
I
I
I
I
V
V
0 < V
V
Test Freq. = 1 MHz, T
Active Mode, 12 MHz, V
Idle Mode, 12 MHz, V
V
V
OL
OH
OH
OH
OH
IN
IN
CC
CC
CC
= 10 mA, V
= -80 µA, V
= -30 µA
= -12 µA
= -10 mA, T
= 0.45V
= 2V, V
= 5V
= 5.5V
= 3V
OL
IN
< V
must be externally limited as follows:
CC
CC
= 5V ± 10%
CC
CC
A
= 85°C
= 2.7V, T
= 5V ± 10%
A
CC
= 25°C
CC
= 5.5V/3V
A
= 5.5V/3V
= 85°C
AT89LP2052/LP4052
0.65 V
0.75 V
0.6 V
0.9 V
0.9 V
-0.5
-0.5
Min
2.4
50
0
CC
CC
CC
CC
CC
V
V
0.25 V
0.3 V
5.5/3.5
CC
CC
-300
Max
V
150
-50
±10
0.5
3/2
20
10
5
2
+ 0.5
+ 0.5
CC
CC
CC
Units
mV
mA
mA
µA
µA
µA
kΩ
pF
µA
µA
V
V
V
V
V
V
V
V
V
79