OL must be externally" />
參數(shù)資料
型號(hào)： AT89S8253-24AU
廠商： Atmel
文件頁數(shù)： 42/60頁
文件大?。?/td> 0K
描述： IC MCU 12K FLASH 24MHZ 44-TQFP
產(chǎn)品培訓(xùn)模塊： MCU Product Line Introduction
標(biāo)準(zhǔn)包裝： 160
系列： 89S
核心處理器： 8051
芯體尺寸： 8-位
速度： 24MHz
連通性： SPI，UART/USART
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 32
程序存儲(chǔ)器容量： 12KB（12K x 8）
程序存儲(chǔ)器類型： 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 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
產(chǎn)品目錄頁面： 616 (CN2011-ZH PDF)
47
3286P–MICRO–3/10
AT89S8253
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:15 mA,
Maximum total I
OL for all output pins: 71 mA
If I
OL exceeds the test condition, V
OL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
2. Minimum V
CC for Power-down is 2V.
29. 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
30. DC Characteristics
The values shown in this table are valid for T
A = -40°C to 85°C and VCC = 2.7 to 5.5V, unless otherwise noted
Symbol
Parameter
Condition
Min
Max
V
IL
Input Low-voltage
(Except EA, XTAL1, RST, Port 0)
-0.5V
0.2 V
CC - 0.1V
V
IL1
Input Low-voltage
(EA, XTAL1, RST, Port 0)
-0.5V
0.3 V
CC
V
IH
Input High-voltage
(Except EA, XTAL1, RST, Port 0)
0.5 V
CC
V
CC + 0.5V
V
IH1
Input High-voltage
(EA, XTAL1, RST, Port 0)
0.7 V
CC
V
CC + 0.5V
V
OL
Output Low-voltage(1)
I
OL = 10 mA, VCC = 4.0V, TA = 85°C
0.5V
V
OH
Output High-voltage
When Weak Pull Ups are Enabled
(Ports 1, 2, 3, ALE, PSEN)
I
OH = -60 A, TA = 85°C
2.4V
I
OH = -25 A, TA = 85°C
0.75 V
CC
I
OH = -10 A, TA = 85°C
0.9 V
CC
V
OH1
Output High-voltage
When Strong Pull Ups are Enabled
(Port 0 in External Bus Mode, P1, 2, 3,
ALE, PSEN)
I
OH = -40 mA, TA = 85°C
2.4V
I
OH = -25 mA, TA = 85°C
0.75 V
CC
I
OH = -10 mA, TA = 85°C
0.9 V
CC
I
IL
Logical 0 Input Current (Ports 1, 2, 3)
V
IN = 0.45V, VCC = 5.5V, TA = -40°C
-50 A
I
TL
Logical 1 to 0 Transition Current (Ports
1, 2, 3)
V
IN = 2V, VCC = 5.5V, TA = -40°C
-352 A
I
LI
Input Leakage Current (Port 0, EA)
0.45V< V
IN < VCC
±10 A
RRST
Reset Pull-down Resistor
50 K
Ω
150 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, V
CC = 5.5V, TA = -40°C
10 mA
Idle Mode, 12 MHz, V
CC = 5.5V, TA = -40°C
3.5 mA
Power-down Mode(2)
V
CC = 5.5V, TA = -40°C
100 A
V
CC = 4.0V, TA = -40°C
20 A
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