at89c4051-12sa ATMEL Corporation, at89c4051-12sa Datasheet - Page 10

• Manufacturer Part Number: at89c4051-12sa
• Description: 8-bit Microcontroller With 4k Bytes Flash
• Manufacturer: ATMEL Corporation

DC Characteristics
T
Notes:
10
A
Symbol
V
V
V
V
V
I
I
I
V
V
RRST
C
I
IL
TL
LI
CC
OL
OH
OS
IL
IH
IH1
CM
IO
= -40°C to 85°C, V
1. Under steady state (non-transient) conditions, I
2. Minimum V
Maximum I
Maximum total I
If I
than the listed test conditions.
OL
Parameter
Input Low Voltage
Input High Voltage
Input High Voltage
Output Low Voltage
(Ports 1, 3)
Output High Voltage
(Ports 1, 3)
Logical 0 Input Current
(Ports 1, 3)
Logical 1 to 0 Transition Current
(Ports 1, 3)
Input Leakage Current
(Port P1.0, P1.1)
Comparator Input Offset Voltage
Comparator Input Common
Mode Voltage
Reset Pulldown Resistor
Pin Capacitance
Power Supply Current
Power Down Mode
exceeds the test condition, V
OL
CC
CC
AT89C4051
per port pin: 20 mA
for Power Down is 2V.
= 3.0V to 6.0V (unless otherwise noted)
OL
for all output pins: 80 mA
(2)
(1)
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
Condition
(Except XTAL1, RST)
(XTAL1, 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
P1.0 & P1.1 = 0V or V
V
V
OL
OL
OH
OH
OH
IN
IN
CC
CC
CC
= 20 mA, V
= 10 mA, V
= -80 A, V
= -30 A
= -12 A
= 0.45V
= 2V, V
= 5V
= 6V P1.0 & P1.1 = 0V or V
= 3V P1.0 & P1.1 = 0V or V
IN
OL
< V
must be externally limited as follows:
CC
CC
= 5V
CC
CC
CC
= 5V
= 2.7V
= 5V
A
10%
CC
CC
= 25°C
CC
= 6V/3V
10%
= 6V/3V
CC
CC
0.2 V
0.75 V
0.7 V
0.9 V
Min
-0.5
2.4
CC
50
0
CC
CC
+ 0.9
CC
0.2 V
V
V
CC
CC
15/5.5
Max
-750
V
300
100
0.5
-50
5/1
CC
20
10
20
10
CC
+ 0.5
+ 0.5
- 0.1
Units
mV
K
mA
mA
pF
V
V
V
V
V
V
V
V
A
A
A
A
A