參數(shù)資料
型號(hào)： AT89S2051
廠商： Atmel Corp.
英文描述： 8-bit Microcontroller with 2K/4K Bytes Flash
中文描述： 8位閃存微控制器2K/4K字節(jié)
文件頁(yè)數(shù)： 30/45頁(yè)
文件大?。?/td> 981K
代理商： AT89S2051
36
3390C–MICRO–7/05
AT89S2051/S4051
Notes:
1. Under steady state (non-transient) conditions, I
OL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum total I
OL for all output pins: 25 mA (15 mA for AT89S4051)
If I
OL 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 V
CC for Power-down is 2V.
3. P1.0 and P1.1 are comparator inputs and have no internal pullups. They should not be left floating.
40. 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 ......-0.7V to +6.2V
Maximum Operating Voltage ............................................ 5.5V
DC Output Current............. 25.0 mA (15.0 mA for AT89S4051)
41. DC Characteristics
T
A = -40°C to 85°C, VCC = 2.7V to 5.5V (unless otherwise noted)
Symbol
Parameter
Condition
Min
Max
Units
V
IL
Input Low-voltage
-0.5
0.2 V
CC - 0.1
V
VIH
Input High-voltage
(Except XTAL1, RST)
0.2 VCC + 0.9
VCC + 0.5
V
IH1
Input High-voltage
(XTAL1, RST)
0.7 V
CC
V
CC + 0.5
V
OL
Output Low-voltage
(1) (Ports 1, 3)
I
OL = 10 mA, VCC = 2.7V, TA = 85°C
0.5
V
OH
Output High-voltage (Ports 1, 3)
IOH = -80 A, VCC = 5V ± 10%
2.4
V
I
OH = -30 A
0.75 V
CC
V
I
OH = -12 A
0.9 V
CC
V
I
IL
Logical 0 Input Current
(Ports 1, 3)
V
IN = 0.45V
-50
A
I
TL
Logical 1 to 0 Transition Current
(Ports 1, 3)
V
IN = 2V, VCC = 5V ± 10%
-350
A
I
LI
Input Leakage Current
(Port P1.0, P1.1)
0 < V
IN < VCC
±10
A
VOS
Comparator Input Offset Voltage
VCC = 5V
20
mV
V
CM
Comparator Input Common
Mode Voltage
0V
CC
V
RRST
Reset Pull-down Resistor
50
150
K
C
IO
Pin Capacitance
Test Freq. = 1 MHz, T
A = 25°C
10
pF
ICC
Power Supply Current (without
the )
Active Mode, 24/12 MHz, V
CC =
5V/3V
10.5/3.5
mA
Idle Mode, 24/12 MHz, V
CC = 5V/3V
P1.0 & P1.1 = 0V or VCC
4.5/2.5
mA
Power-down Mode
V
CC = 5V, P1.0 & P1.1 = 0V or VCC
10
A
V
CC = 3V, P1.0 & P1.1 = 0V or VCC
5A
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AT89S2051-24PU 功能描述:8位微控制器 -MCU 2K FLSH 24MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S2051-24SU 功能描述:8位微控制器 -MCU 2K FLASH 24MHZ SOIC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S2051W-16PI 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S2051W-16SI 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S4051-24PU 功能描述:8位微控制器 -MCU 4K FLASH 24MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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