TA = -40°C to 85°C, V
參數(shù)資料
型號(hào): AT87F51-24AI
廠商: Atmel
文件頁(yè)數(shù): 16/16頁(yè)
文件大?。?/td> 0K
描述: IC MICRO CTRL 24MHZ 44TQFP
標(biāo)準(zhǔn)包裝: 160
系列: 87F
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: UART/USART
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類型: OTP 快速閃存
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
Not
9
Absolute Maximum Ratings*
DC Characteristics
TA = -40°C to 85°C, VCC = 5.0V ± 20% (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.
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
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
0.45
V
VOL1
Output Low Voltage(1)
(Port 0, ALE, PSEN)
IOL = 3.2 mA
0.45
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 A0.9 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 A0.9 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 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
20
mA
Idle Mode, 12 MHz
5
mA
Power Down Mode(2)
VCC = 6V
100
A
VCC = 3V
40
A
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