TMS320F2810 Datasheet, PDF (100/172 Pages) Texas Instruments – Digital Signal Processors

TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
SPRS174T – APRIL 2001 – REVISED MAY 2012
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6.9 Signal Transition Levels
Note that some of the signals use different reference voltages, see the recommended operating conditions
table. Output levels are driven to a minimum logic-high level of 2.4 V and to a maximum logic-low level of
0.4 V.
Figure 6-7 shows output levels.
2.4 V (V_OH)
0.4 V (V_OL)
Figure 6-7. 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 V_OH(MIN)
and the level at which the output is said to be low is V_OL(MAX) and lower.
• For a low-to-high transition, the level at which the output is said to be no longer low is above V_OL(MAX)
and the level at which the output is said to be high is V_OH(MIN) and higher.
Figure 6-8 shows the input levels.
2.0 V (V_IH)
0.8 V (V_IL)
Figure 6-8. 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 below V_IH(MIN) and the level at which the input is said to be low is V_IL(MAX) 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
above V_IL(MAX) and the level at which the input is said to be high is V_IH(MIN) and higher.
NOTE
See the individual timing diagrams for levels used for testing timing parameters.
100 Electrical Specifications
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