参数资料
型号: AT89C51RB2-SLSUM
厂商: Atmel
文件页数: 10/127页
文件大小: 0K
描述: IC 8051 MCU FLASH 16K 44PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 972
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: 32
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K 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: 44-LCC(J 形引线)
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
AT89STK-11-ND - KIT STARTER FOR AT89C51RX2
107
AT89C51RB2/RC2
4180E–8051–10/06
E
lectrical Characteristics
Absolute Maximum Ratings
DC Parameters for
Standard Voltage
C = commercial......................................................0
°C to 70°C
I = industrial ........................................................-40
°C to 85°C
Storage Temperature .................................... -65
°C to + 150°C
Voltage on VCC to VSS (standard voltage) .........-0.5V to + 6.5V
Voltage on VCC to VSS (low voltage)..................-0.5V to + 4.5V
Voltage on Any Pin to VSS..........................-0.5V to VCC + 0.5V
Power Dissipation .............................................................. 1 W
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 func-
tional operation of the device at these or any other
conditions above those indicated in the operational
sections of this specification is not implied. Expo-
sure to absolute maximum rating conditions may
affect device reliability.
Power dissipation value is based on the maximum
allowable die temperature and the thermal resis-
tance 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
VIL
Input Low Voltage
-0.5
0.2 VCC - 0.1
V
VIH
Input High Voltage except RST, XTAL1
0.2 VCC + 0.9
VCC + 0.5
V
VIH1
(9)
Input High Voltage RST, XTAL1
0.7 VCC
VCC + 0.5
V
VOL
Output Low Voltage, ports 1, 2, 3, 4
(6)
0.3
0.45
1.0
V
VCC = 4.5V to 5.5V
IOL = 100 μA
(4)
IOL = 1.6 mA
(4)
IOL = 3.5 mA
(4)
0.45
V
VCC = 2.7V to 5.5V
IOL = 0.8 mA
(4)
VOL1
Output Low Voltage, port 0, ALE, PSEN
(6)
0.3
0.45
1.0
V
VCC = 4.5V to 5.5V
IOL = 200 μA
(4)
IOL = 3.2 mA
(4)
IOL = 7.0 mA
(4)
0.45
V
VCC = 2.7V to 5.5V
IOL = 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 μA
IOH = -30 μA
IOH = -60 μA
0.9 VCC
V
VCC = 2.7V to 5.5V
IOH = -10 μA
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