參數(shù)資料
型號(hào)： TS87C52X2-MCKB
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, UVPROM, 40 MHz, MICROCONTROLLER, CQCC44
封裝： WINDOWED, CERAMIC, QPJ-44
文件頁(yè)數(shù)： 33/56頁(yè)
文件大?。?/td> 689K
代理商： TS87C52X2-MCKB
Rev. C - Aug. 31, 1999
39
TS80C52X2
10. Electrical Characteristics
10.1 Absolute Maximum Ratings (1)
Ambiant Temperature Under Bias:
C = commercial
0
°Cto70°C
I = industrial
-40
°Cto85°C
Storage Temperature
-65
°Cto+150°C
Voltage on VCC to VSS
-0.5Vto+7V
Voltage on VPP to VSS
-0.5Vto+13V
Voltage on Any Pin to VSS
-0.5VtoVCC + 0.5 V
Power Dissipation
1 W(2)
NOTES
1.
Stresses at or above those listed under “ Absolute Maximum Ratings” may cause permanent damage 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 specication 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.
10.2 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 running under reset. In TEMIC 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, TEMIC presents 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.
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