参数资料
型号: AT89LP51-20PU
厂商: Atmel
文件页数: 110/117页
文件大小: 0K
描述: MCU 8051 4K FLASH 20MHZ
标准包装: 10
系列: 89LP
核心处理器: 8051
芯体尺寸: 8-位
速度: 20MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 36
程序存储器容量: 4KB(4K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.4 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
92
3709D–MICRO–12/11
AT89LP51/52
18. Electrical Characteristics
Notes:
1. Under steady state (non-transient) conditions, I
OL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum total IOL for all output pins: 100 mA
If I
OL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
18.1
Absolute Maximum Ratings*
Operating Temperature ................................... -40°C to +85°C
*NOTICE:
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.
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
Total DC Output Current ........................................... 150.0 mA
18.2
DC Characteristics
T
A = -40°C to 85°C, VDD = 2.4V to 5.5V (unless otherwise noted)
Symbol
Parameter
Condition
Min
Max
Units
VIL
Input Low-voltage
-0.5
min(0.25VDD,
0.8(3))
V
VIH
Input High-voltage
min(0.7VDD,
2.4(3))
VDD + 0.5
V
OL
Output Low-voltage(1)
IOL = 8 mA, VDD = 5V ± 10%
0.5
V
IOL = 4 mA, VDD = 2.4V
VOH
Output High-voltage
With Weak Pull-ups Enabled
I
OH = -60 A, VDD = 5V ± 10%
2.4
V
IOH = -25 A
0.7 VDD
V
I
OH = -10 A
0.85 VDD
V
OH1
Output High-voltage
With Strong Pull-ups Enabled
I
OH = -7 mA, VDD = 5V ± 10%
0.9 VDD
IOH = -2.5 mA, VDD = 2.4V
I
OH = -10 mA, VDD = 5V ± 10%
0.75 VDD
I
OH = -6 mA, VDD = 2.4V
IIL
Logic 0 Input Current
VIN = 0.45V
-50
A
I
TL
Logic 1 to 0 Transition Current
V
IN = 2V, VDD = 5V ± 10%
-200
A
I
LI
Input Leakage Current
0 < V
IN < VDD
±10
A
CIO
Pin Capacitance
Test Freq. = 1 MHz, TA = 25°C
10
pF
I
CC
Power Supply Current
(Fast Mode)
Active Mode, 12 MHz, V
DD = 5V
10
mA
Idle Mode, 12 MHz, V
DD = 5V
3
mA
Power Supply Current
(Compatibility Mode)
Active Mode, 12 MHz, VDD = 5V
4
mA
Idle Mode, 12 MHz, V
DD = 5V
2
mA
Power-down Mode(2)
V
DD = 5V
5
A
VDD = 3V
2
A
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