AT87F51 ATMEL Corporation, AT87F51 Datasheet - Page 9

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AT87F51

Manufacturer Part Number
AT87F51
Description
8-Bit Microcontroller with 4K Bytes QuickFlash
Manufacturer
ATMEL Corporation
Datasheet

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Absolute Maximum Ratings*
DC Characteristics
T
Notes:
Operating Temperature .................................. -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on Any Pin
with Respect to Ground .....................................-1.0V to +7.0V
Maximum Operating Voltage............................................. 6.6V
DC Output Current...................................................... 15.0 mA
Symbol
V
V
V
V
V
V
V
V
I
I
I
RRST
C
I
A
IL
TL
LI
CC
IL
IL1
IH
IH1
OL
OL1
OH
OH1
IO
= -40°C to 85°C, V
1. Under steady state (non-transient) conditions, I
2. Minimum V
Maximum I
Maximum I
Maximum total I
If I
than the listed test conditions.
OL
Parameter
Input Low Voltage
Input Low Voltage (EA)
Input High Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage
(Port 0, ALE, PSEN)
Output High Voltage
(Ports 1,2,3, ALE, PSEN)
Output High Voltage
(Port 0 in External Bus Mode)
Logical 0 Input Current (Ports 1,2,3)
Logical 1 to 0 Transition Current
(Ports 1,2,3)
Input Leakage Current (Port 0, EA)
Reset Pulldown Resistor
Pin Capacitance
Power Supply Current
Power Down Mode
exceeds the test condition, V
OL
OL
CC
CC
per port pin: 10 mA
per 8-bit port:
for Power Down is 2V.
= 5.0V
OL
for all output pins: 71 mA
(2)
(1)
(1)
(Ports 1,2,3)
20% (unless otherwise noted)
Port 0: 26 mA
Ports 1, 2, 3: 15 mA
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
Condition
(Except EA)
(Except XTAL1, RST)
(XTAL1, RST)
I
I
I
I
I
I
I
I
V
V
0.45 < V
Test Freq. = 1 MHz, T
Active Mode, 12 MHz
Idle Mode, 12 MHz
V
V
OL
OL
OH
OH
OH
OH
OH
OH
IN
IN
CC
CC
= 1.6 mA
= 3.2 mA
= -60 A, V
= -25 A
= -10 A
= -800 A, V
= -300 A
= -80 A
= 0.45V
= 2V, VCC = 5V
= 6V
= 3V
OL
IN
must be externally limited as follows:
< V
CC
CC
CC
= 5V
= 5V
*NOTICE:
A
10%
= 25°C
10%
10%
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Stresses beyond those listed under “Absolute
0.2 V
0.75 V
0.75 V
0.9 V
0.9 V
0.7 V
Min
-0.5
-0.5
2.4
2.4
CC
50
CC
CC
CC
+ 0.9
CC
CC
0.2 V
0.2 V
V
V
CC
CC
Max
0.45
0.45
-650
300
100
-50
CC
CC
10
20
40
10
5
+ 0.5
+ 0.5
- 0.1
- 0.3
Units
K
mA
mA
pF
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
9

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