參數(shù)資料
型號: TMS320C240PQL
英文描述: 16-Bit Microcontroller
中文描述: 16位微控制器
文件頁數(shù): 64/105頁
文件大小: 1481K
代理商: TMS320C240PQL
TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
64
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
Figure 19 shows the TTL-level inputs.
0.7 V
10%
2.0 V
90%
Figure 19. TTL-Level Inputs
TTL-compatible input transition times are specified as follows:
For a high-to-low transitionon 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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