参数资料
型号: AT89S8253-24AC
厂商: Atmel
文件页数: 42/60页
文件大小: 0K
描述: IC 8051 MCU FLASH 12K 44TQFP
标准包装: 160
系列: 89S
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: POR,WDT
输入/输出数: 32
程序存储器容量: 12KB(12K 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 ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 44-TQFP
包装: 托盘
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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