參數(shù)資料
型號(hào): P83C251TQ24
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 30/36頁
文件大小: 813K
代理商: P83C251TQ24
VLOAD + 0.1 V
VLOAD – 0.1 V
Timing Reference
Points
VLOAD
VOH – 0.1 V
VOL + 0.1 V
For timing purposes, a port pin is no longer floating when a
100 mV change from load voltage occurs and begins to float
when a 100 mV change from the loading VOH/VOL level occurs
with IOL/IOH = ± 20 mA.
A4117-01
8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
30
Figure 18. Float Waveforms
7.0
THERMAL CHARACTERISTICS
All thermal impedance data is approximate for static
air conditions at 1 watt of power dissipation. Values
change depending on operating conditions and
application requirements. The Intel Packaging
Handbook (order number 240800) describes Intel’s
thermal impedance test methodology.
Table 16. Thermal Characteristics
Package Type
Θ
44-pin PLCC
46°C/W
16°C/W
40-pin PDIP
45°C/W
16°C/W
JA
JC
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