A
參數(shù)資料
型號(hào): AT89LV55-12PC
廠商: Atmel
文件頁(yè)數(shù): 14/32頁(yè)
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 20K 40DIP
標(biāo)準(zhǔn)包裝: 10
系列: 89LV
核心處理器: 8051
芯體尺寸: 8-位
速度: 12MHz
連通性: UART/USART
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 20KB(20K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
21
0811E–MICRO–9/08
AT89LV55
21. Absolute Maximum Ratings*
22. DC Characteristics
The values shown in this table are valid for T
A = -40°C to 85°C and VCC = 2.7V to 6.0V, unless otherwise noted.
Notes:
1. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum I
OL per port pin: 10 mA
Maximum I
OL per 8-bit port:
Port 0: 26 mA, Ports 1, 2, 3: 15 mA
Maximum total I
OL for all output pins: 71 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.
2. Minimum V
CC for Power-down is 2V.
Operating Temperature ..............................................-55°C to +125°C
*NOTICE:
Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional oper-
ation 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 ................................................. -1.0V to +7.0V
Maximum Operating Voltage .........................................................6.6V
DC Output Current...................................................................15.0 mA
Symbol
Parameter
Condition
Min
Max
Units
V
IL
Input Low Voltage
(Except EA)
-0.5
0.2 V
CC - 0.1
V
IL1
Input Low Voltage (EA)
-0.5
0.2 V
CC - 0.3
V
IH
Input High Voltage
(Except XTAL1, RST)
0.2 V
CC + 0.9
V
CC + 0.5
V
IH1
Input High Voltage
(XTAL1, RST)
0.7 V
CC
V
CC + 0.5
V
OL
Output Low Voltage (1)
(Ports 1, 2, 3)
I
OL = 1.6 mA
0.45
V
OL1
Output Low Voltage
(Port 0, ALE, PSEN)
I
OL = 3.2 mA
0.45
V
OH
Output High Voltage
(Ports 1, 2, 3, ALE, PSEN)
I
OH = -60 μA, VCC = 5V ± 10%
2.4
V
I
OH = -25 μA0.75 VCC
V
I
OH = -10 μA
0.9 V
CC
V
OH1
Output High Voltage
(Port 0 in External Bus Mode)
I
OH = -800 μA, VCC = 5V ± 10%
2.4
V
I
OH = -300 μA0.75 VCC
V
I
OH = -80 μA
0.9 V
CC
V
I
IL
Logical 0 Input Current
(Ports 1, 2, 3)
V
IN = 0.45V
-50
μA
I
TL
Logical 1 to 0 Transition Current
(Ports 1, 2, 3)
V
IN = 2V
-650
μA
I
LI
Input Leakage Current
(Port 0, EA)
0.45 < V
IN < VCC
±10
μA
RRST
Reset Pulldown Resistor
50
300
k
Ω
C
IO
Pin Capacitance
Test Freq. = 1 MHz, T
A = 25°C
10
pF
I
CC
Power Supply Current
Active Mode, 12 MHz
25
mA
Idle Mode, 12 MHz
6.5
mA
Power-down Mode (1)
V
CC = 6V
100
μA
V
CC = 3V
40
μA
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