参数资料
型号: AT89C51ED2-SMSUM
厂商: Atmel
文件页数: 18/137页
文件大小: 0K
描述: IC 8051 MCU FLASH 64K 68PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 304
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 60MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 50
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 68-PLCC
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
114
4235K–8051–05/08
AT89C51RD2/ED2
25. Electrical Characteristics
25.1
Absolute Maximum Ratings
25.2
DC Parameters for Standard Voltage
I = industrial ........................................................-40°C to 85°C
Storage Temperature .................................... -65°C to + 150°C
Voltage on VCC to VSS ......................................-0.5V to + 6.5V
VVoltage on Any Pin to VSS .......................-0.5V to VCC + 0.5V
Power Dissipation ........................................................... 1 W(2)
Note:
Stresses at or above those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational
sections of this specification is not implied. Exposure
to absolute maximum rating conditions may affect
device reliability.
Power dissipation is based on the maximum allow-
able die temperature and the thermal resistance of
the package.
TA = -40°C to +85°C; VSS = 0V;
VCC =2.7V to 5.5V and F = 0 to 40 MHz (both internal and external code execution)
VCC =4.5V to 5.5V and F = 0 to 60 MHz (internal code execution only)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IL
Input Low Voltage
-0.5
0.2 V
CC - 0.1
V
IH
Input High Voltage except RST, XTAL1
0.2 V
CC + 0.9
V
CC + 0.5
V
IH1
Input High Voltage RST, XTAL1
0.7 V
CC
V
CC + 0.5
V
OL
Output Low Voltage, ports 1, 2, 3, 4 (6)
0.3
0.45
1.0
V
CC = 4.5V to 5.5V
I
OL = 100 A
(4)
I
OL = 1.6 mA
(4)
I
OL = 3.5 mA
(4)
0.45
V
CC = 2.7V to 5.5V
I
OL = 0.8 mA
(4)
V
OL1
Output Low Voltage, port 0, ALE, PSEN (6)
0.3
0.45
1.0
V
CC = 4.5V to 5.5V
I
OL = 200 A
(4)
I
OL = 3.2 mA
(4)
I
OL = 7.0 mA
(4)
0.45
V
CC = 2.7V to 5.5V
I
OL = 1.6 mA
(4)
VOH
Output High Voltage, ports 1, 2, 3, 4
VCC - 0.3
VCC - 0.7
VCC - 1.5
V
VCC = 5V ± 10%
IOH = -10 A
IOH = -30 A
IOH = -60 A
0.9 VCC
V
VCC = 2.7V to 5.5V
IOH = -10 A
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