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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | AT89C2051-24SI |
| 寤犲晢锛� | Atmel |
| 鏂囦欢闋�(y猫)鏁�(sh霉)锛� | 4/19闋�(y猫) |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | MICRO CONTROLLER |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 38 |
| 绯诲垪锛� | 89C |
| 鏍稿績铏曠悊鍣細 | 8051 |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 24MHz |
| 閫ｉ€氭€э細 | UART/USART |
| 澶栧湇瑷�(sh猫)鍌欙細 | LED |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 15 |
| 绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 | 2KB锛�2K x 8锛� |
| 绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 | 闁冨瓨 |
| RAM 瀹归噺锛� | 128 x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 4 V ~ 6 V |
| 鎸暕鍣ㄥ瀷锛� | 鍏�(n猫i)閮� |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 灏佽/澶栨锛� | 20-SOIC锛�0.295"锛�7.50mm 瀵級 |
| 鍖呰锛� | 绠′欢 |
| 鍏跺畠鍚嶇ū锛� | Q1036833A |
绗�1闋�(y猫)绗�2闋�(y猫)绗�3闋�(y猫)鐣�(d膩ng)鍓嶇4闋�(y猫)绗�5闋�(y猫)绗�6闋�(y猫)绗�7闋�(y猫)绗�8闋�(y猫)绗�9闋�(y猫)绗�10闋�(y猫)绗�11闋�(y猫)绗�12闋�(y猫)绗�13闋�(y猫)绗�14闋�(y猫)绗�15闋�(y猫)绗�16闋�(y猫)绗�17闋�(y猫)绗�18闋�(y猫)绗�19闋�(y猫)
12
0368H鈥揗ICRO鈥�6/08
AT89C2051
Notes:
1. Under steady state (non-transient) conditions, I
OL must be externally limited as follows:
Maximum IOL per port pin: 20 mA
Maximum total IOL for all output pins: 80 mA
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 VCC for Power-down is 2V.
16. Absolute Maximum Ratings*
Operating Temperature ................................. -55掳C to +125掳C
*NOTICE:
Stresses beyond those listed under 鈥淎bsolute
Maximum Ratings鈥� 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掳C to +150掳C
Voltage on Any Pin
with Respect to Ground .....................................-1.0V to +7.0V
Maximum Operating Voltage ............................................ 6.6V
DC Output Current...................................................... 25.0 mA
17. DC Characteristics
T
A = -40掳C to 85掳C, VCC = 2.7V to 6.0V (unless otherwise noted)
Symbol
Parameter
Condition
Min
Max
Units
VIL
Input Low-voltage
-0.5
0.2 VCC - 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
VOL
Output Low-voltage(1)
(Ports 1, 3)
I
OL = 20 mA, VCC = 5V
IOL = 10 mA, VCC = 2.7V
0.5
V
VOH
Output High-voltage
(Ports 1, 3)
IOH = -80 渭A, VCC = 5V 卤 10%
2.4
V
IOH = -30 渭A0.75 VCC
V
I
OH = -12 渭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 卤 10%
-750
A
ILI
Input Leakage Current
(Port P1.0, P1.1)
0 < VIN < VCC
卤10
A
VOS
Comparator Input Offset Voltage
VCC = 5V
20
mV
VCM
Comparator Input Common
Mode Voltage
0VCC
V
RRST
Reset Pull-down Resistor
50
300
k
惟
C
IO
Pin Capacitance
Test Freq. = 1 MHz, T
A = 25掳C
10
pF
ICC
Power Supply Current
Active Mode, 12 MHz, V
CC = 6V/3V
15/5.5
mA
Idle Mode, 12 MHz, VCC = 6V/3V
P1.0 & P1.1 = 0V or V
CC
5/1
mA
Power-down Mode(2)
VCC = 6V, P1.0 & P1.1 = 0V or VCC
100
A
V
CC = 3V, P1.0 & P1.1 = 0V or VCC
20
A
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| AT89C2051X2 | 鍒堕€犲晢:鏈煡寤犲 鍒堕€犲晢鍏ㄧū:鏈煡寤犲 鍔熻兘鎻忚堪:AT89C2051x2 Preliminary [Updated 12/02. 21 Pages] |
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