AT89LP428-20PU Atmel, AT89LP428-20PU Datasheet - Page 127
AT89LP428-20PU
Manufacturer Part Number
AT89LP428-20PU
Description
MCU 8051 4K FLASH SPI 28PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP428-20PU
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
30
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
AT89x
Core
8051
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
- Current page: 127 of 149
- Download datasheet (5Mb)
24. Electrical Characteristics
24.1
24.2
T
Notes:
3654A–MICRO–8/09
Operating Temperature ................................... -40°C to +85°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on Any Pin with Respect to Ground......-0.7V to +5.5V
Maximum Operating Voltage ............................................ 5.5V
DC Output Current...................................................... 15.0 mA
Symbol
V
V
V
V
V
I
I
I
C
I
A
IL
TL
LI
CC
IL
IH
OL
OH
OH1
IO
= -40°C to 85°C, V
Absolute Maximum Ratings*
DC Characteristics
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
Output Low-voltage
Output High-voltage
With Weak Pull-ups Enabled
Output High-voltage
With Strong Pull-ups Enabled
Logic 0 Input Current
Logic 1 to 0 Transition Current
Input Leakage Current
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
(2)
(1)
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
Condition
I
I
I
I
I
I
I
I
I
V
V
0 < V
Test Freq. = 1 MHz, T
Active Mode, 12 MHz, V
Idle Mode, 12 MHz, V
V
V
OL
OL
OH
OH
OH
OH
OH
OH
OH
IN
IN
CC
CC
= 8 mA, V
= 4 mA
= -100 µA, V
= -25 µA
= -10 µA
= -20 mA, V
= -8 mA, V
= -6 mA
= -2 mA
= 0.45V
= 2.7V, V
= 5V
= 3V
IN
OL
< V
must be externally limited as follows:
CC
CC
CC
CC
CC
= 5V ± 10%
= 5V ± 10%
CC
= 5V ± 10%
*NOTICE:
= 5V ± 10%
= 5V ± 10%
A
CC
= 25°C
CC
= 5V/3V
= 5V/3V
Stresses beyond those listed under “Absolute
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.
0.75 V
0.75 V
0.75 V
0.7 V
0.9 V
0.9 V
0.9 V
Min
-0.5
2.4
CC
CC
CC
CC
CC
CC
CC
AT89LP428/828
V
0.3 V
CC
Max
-100
-300
10/6
±10
0.4
0.4
5/3
10
5
2
+ 0.5
CC
Units
mA
mA
µA
µA
µA
pF
µA
µA
V
V
V
V
V
V
127
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