参数资料
| 型号： | AT87C52X2-SLSUM |
| 厂商： | Atmel |
| 文件页数： | 30/55页 |
| 文件大小： | 0K |
| 描述： | IC 8051 MCU 8K OTP 40MHZ 44PLCC |
| 标准包装： | 972 |
| 系列： | 87C |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 40/20MHz |
| 连通性： | UART/USART |
| 外围设备： | POR |
| 输入/输出数： | 32 |
| 程序存储器容量： | 8KB（8K x 8） |
| 程序存储器类型： | OTP |
| RAM 容量： | 256 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 4.5 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 44-LCC（J 形引线） |
| 包装： | 管件 |
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36
TS8xCx2X2
4184I–8051–02/08
Electrical
Characteristics
Absolute Maximum
Ratings(1)
Power Consumption
Measurement
Since the introduction of the first C51 devices, every manufacturer made operating Icc
measurements under reset, which made sense for the designs were the CPU was run-
ning under reset. In Atmel new devices, the CPU is no more active during reset, so the
power consumption is very low but is not really representative of what will happen in the
customer system. That’s why, while keeping measurements under Reset, Atmel pre-
sents a new way to measure the operating Icc:
Using an internal test ROM, the following code is executed:
Label:
SJMP Label (80 FE)
Ports 1, 2, 3 are disconnected, Port 0 is tied to FFh, EA = Vcc, RST = Vss, XTAL2 is not
connected and XTAL1 is driven by the clock.
This is much more representative of the real operating Icc.
DC Parameters for
Standard Voltage
TA = 0°C to +70°C; VSS = 0 V; VCC = 5V ± 10%; F = 0 to 40 MHz.
TA = -40°C to +85°C; VSS = 0 V; VCC = 5V ± 10%; F = 0 to 40 MHz.
Ambiant Temperature Under Bias:
C = commercial......................................................0°C to 70°C
I = industrial ........................................................-40°C to 85°C
Storage Temperature .................................... -65°C to + 150°C
Voltage on VCC to VSS .........................................-0.5V to + 7 V
Voltage on VPP to VSS .......................................-0.5V to + 13 V
Voltage on Any Pin to VSS..........................-0.5V to VCC + 0.5V
Power Dissipation ........................................................... 1 W(2)
Notes: 1.
Stresses at or above 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 above those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions may affect device reliability.
2. This value is based on the maximum allowable die
temperature and the thermal resistance of the
package.
Table 22. DC Parameters in Standard Voltage
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
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
VIH1
Input High Voltage, XTAL1, RST
0.7 VCC
VCC + 0.5
V
VOL
Output Low Voltage, ports 1, 2, 3 (6)
0.3
0.45
1.0
V
IOL = 100 A(4)
IOL = 1.6 mA(4)
IOL = 3.5 mA(4)
VOL1
Output Low Voltage, port 0 (6)
0.3
0.45
1.0
V
IOL = 200 A(4)
IOL = 3.2 mA(4)
IOL = 7.0 mA(4)
VOL2
Output Low Voltage, ALE, PSEN
0.3
0.45
1.0
V
IOL = 100 A(4)
IOL = 1.6 mA(4)
IOL = 3.5 mA(4)
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| AT87C52X2-SLSUV | 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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