参数资料
型号: AT89C51RC-24PU
厂商: Atmel
文件页数: 20/36页
文件大小: 0K
描述: IC MCU 32K FLASH 24MHZ 40-DIP
产品培训模块: MCU Product Line Introduction
标准包装: 10
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 24MHz
连通性: SPI,UART/USART
外围设备: WDT
输入/输出数: 32
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 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
配用: AT89STK-11-ND - KIT STARTER FOR AT89C51RX2
27
1920D–MICRO–6/08
AT89C51RC
Notes:
1. Under steady state (non-transient) conditions, I
OL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum I
OL per 8-bit port:
Port 0: 26 mA
Ports 1, 2, 3: 15 mA
Maximum total IOL for all output pins: 71 mA
If IOL 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 VCC for Power-down is 2V.
27. Absolute Maximum Ratings*
Operating Temperature.................................. -55°C to +125°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 .....................................-1.0V to +7.0V
Maximum Operating Voltage ............................................ 6.6V
DC Output Current...................................................... 15.0 mA
28. DC Characteristics
The values shown in this table are valid for T
A = -40°C to 85°C and VCC = 4.0V to 5.5V, unless otherwise noted.
Symbol
Parameter
Condition
Min
Max
Units
VIL
Input Low-voltage
(Except EA)
-0.5
0.2 VCC-0.1
V
IL1
Input Low-voltage (EA)
-0.5
0.2 V
CC-0.3
V
VIH
Input High-voltage
(Except XTAL1, RST)
0.2 VCC+0.9
VCC+0.5
V
VIH1
Input High-voltage
(XTAL1, RST)
0.7 VCC
VCC+0.5
V
OL
Output Low-voltage(1) (Ports 1,2,3)
I
OL = 1.6 mA
0.45
V
OL1
Output Low-voltage(1)
(Port 0, ALE, PSEN)
I
OL = 3.2 mA
0.45
V
VOH
Output High-voltage
(Ports 1,2,3, ALE, PSEN)
I
OH = -60 A, VCC = 5V ± 10%
2.4
V
IOH = -25 A
0.75 VCC
V
IOH = -10 A
0.9 VCC
V
VOH1
Output High-voltage
(Port 0 in External Bus Mode)
I
OH = -800 A, VCC = 5V ± 10%
2.4
V
IOH = -300 A
0.75 VCC
V
IOH = -80 A
0.9 VCC
V
IIL
Logical 0 Input Current (Ports
1,2,3)
VIN = 0.45V
-50
A
ITL
Logical 1 to 0 Transition Current
(Ports 1,2,3)
VIN = 2V, VCC = 5V ± 10%
-650
A
ILI
Input Leakage Current (Port 0, EA)0.45 < VIN < VCC
±10
A
RRST
Reset Pull-down Resistor
10
30
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 = 5.5V
100
A
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