T
參數(shù)資料
型號： T89C51AC2-SLSIM
廠商： Atmel
文件頁數(shù)： 4/121頁
文件大?。?/td> 0K
描述： IC 8051 MCU FLASH 32K 44PLCC
標準包裝： 27
系列： 89C
核心處理器： 8051
芯體尺寸： 8-位
速度： 40MHz
連通性： UART/USART
外圍設備： POR，PWM，WDT
輸入/輸出數(shù)： 34
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
EEPROM 大小： 2K x 8
RAM 容量： 1.25K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 5.5 V
數(shù)據(jù)轉換器： A/D 8x10b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 管件
101
A/T89C51AC2
4127H–8051–02/08
Electrical Characteristics
Absolute Maximum Ratings*
DC Parameters for Standard Voltage
TA = -40°C to +85°C; VSS = 0V; VCC = 3V to 5.5V; F = 0 to 40 MHz
Ambiant Temperature Under Bias:
I = industrial ....................................................... -40°C to 85°C
Storage Temperature .................................... -65°C to + 150°C
Voltage on VCC from VSS ......................................-0.5V to + 6V
Voltage on Any Pin from VSS..................... -0.5V to VCC + 0.2V
Power Dissipation ............................................................... 1W
Table 76. DC Parameters in Standard Voltage
Symbol
Parameter
Min
Typ(5)
Max
Unit
Test Conditions
VIL
Input Low Voltage
-0.5
0.2Vcc - 0.1
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
VOL
Output Low Voltage, ports 1, 2, 3 and 4(6)
0.3
0.45
1.0
V
IOL = 100 A
(4)
IOL = 1.6 mA
(4)
IOL = 3.5 mA
(4)
VOL1
Output Low Voltage, port 0, ALE, PSEN (6)
0.3
0.45
1.0
V
IOL = 200 A
(4)
IOL = 3.2 mA
(4)
IOL = 7.0 mA
(4)
VOH
Output High Voltage, ports 1, 2, 3, 4 and 5
VCC - 0.3
VCC - 0.7
VCC - 1.5
V
IOH = -10 A
IOH = -30 A
IOH = -60 A
VOH1
Output High Voltage, port 0, ALE, PSEN
VCC - 0.3
VCC - 0.7
VCC - 1.5
V
IOH = -200 A
IOH = -3.2 mA
IOH = -7.0 mA
RRST
RST Pulldown Resistor
20
40
200
k
IIL
Logical 0 Input Current ports 1, 2, 3 and 4
-50
A
Vin = 0.45V
ILI
Input Leakage Current
±
10
A
0.45V < Vin < VCC
ITL
Logical 1 to 0 Transition Current, ports 1, 2, 3
and 4
-650
A
Vin = 2.0V
C
IO
Capacitance of I/O Buffer
10
pF
Fc = 1 MHz
TA = 25°C
IPD
Power-down Current
160
350
A
3V < VCC < 5.5V
(3)
ICC
Power Supply Current
ICCOP = 0.7 Freq (MHz) + 3 mA
ICC_FLASH_WRITE(7) =0.4 Freq (MHz) + 20 mA
ICCIDLE = 0.6 Freq (MHz) + 2 mA
3V < VCC < 5.5V
(1)(2)
*NOTICE:
Stresses at or above those listed under “Absolute Max-
imum 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
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions may affect device reliability.
The power dissipation is based on the maximum allow-
able die temperature and the thermal resistance of the
package.
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