參數資料
型號: TMS320LFC2407A
廠商: Texas Instruments, Inc.
元件分類: 數字信號處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數: 78/133頁
文件大小: 1672K
代理商: TMS320LFC2407A
SPRS145J JULY 2000 REVISED NOVEMER 2004
78
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
0.4 V (VOL)
20%
2.4 V (VOH)
80%
Figure 24. Output Levels
Output transition times are specified as follows:
For a
high-to-low
transition
, the level at which the output is said to be no longer high is below 80% of the
total voltage range and lower and the level at which the output is said to be low is 20% of the total voltage
range and lower.
For a
low-to-high transition
, the level at which the output is said to be no longer low is 20% of the total voltage
range and higher and the level at which the output is said to be high is 80% of the total voltage range and
higher.
Figure 25 shows the input levels.
0.8 V (VIL)
10%
2.0 V (VIH)
90%
Figure 25. Input Levels
Input transition times are specified as follows:
For a
high-to-low transition
on an input signal, the level at which the input is said to be no longer high is 90%
of the total voltage range and lower and the level at which the input is said to be low is 10% of the total voltage
range and lower.
For a
low-to-high transition
on an input signal, the level at which the input is said to be no longer low is 10%
of the total voltage range and higher and the level at which the input is said to be high is 90% of the total
voltage range and higher.
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