参数资料
型号: AT89LS8252-12JI
厂商: Atmel
文件页数: 18/35页
文件大小: 0K
描述: IC 8051 MCU FLASH 8K 44PLCC
标准包装: 27
系列: 89LS
核心处理器: 8051
芯体尺寸: 8-位
速度: 12MHz
连通性: SPI,UART/USART
外围设备: POR,WDT
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
其它名称: AT89LS825212JI
25
0850C–MICRO–3/06
AT89LS8252
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
DC Characteristics
The values shown in this table are valid for TA = -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 IOL per port pin: 10 mA
Maximum IOL 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
Symbol
Parameter
Condition
Min
Max
Units
VIL
Input Low Voltage
(Except EA)
-0.5
0.2 VCC - 0.1
V
VIL1
Input Low Voltage (EA)
-0.5
0.2 VCC - 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
VOL
Output Low Voltage (1)
(Ports 1,2,3)
IOL = 1.6 mA
0.5
V
VOL1
Output Low Voltage (1)
(Port 0, ALE, PSEN)
IOL = 3.2 mA
0.5
V
VOH
Output High Voltage
(Ports 1,2,3, ALE, PSEN)
IOH = -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)
IOH = -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
-650
A
ILI
Input Leakage Current
(Port 0, EA)
0.45 < VIN < VCC
±10
A
RRST
Reset Pulldown Resistor
50
300
K
CIO
Pin Capacitance
Test Freq. = 1 MHz, TA = 25°C
10
pF
ICC
Power Supply Current
Active Mode, 12 MHz
25
mA
Idle Mode, 12 MHz
6.5
mA
Power Down Mode (2)
VCC = 6V
100
A
VCC = 3V
40
A
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