Datasheet

TPS65930/TPS65920
SWCS037G–MAY 2008– REVISED APRIL 2011 www.ti.com
12 Timing Requirements and Switching Characteristics
12.1 Timing Parameters
The timing parameter symbols used in the timing requirement and switching characteristic tables are
created in accordance with JEDEC Standard 100. To shorten the symbols, some pin names and other
related terminologies are abbreviated, as shown in Table 12-1.
Table 12-1. Timing Parameters
Subscripts
Symbol Parameter
c Cycle time (period)
d Delay time
dis Disable time
en Enable time
h Hold time
su Setup time
START Start bit
t Transition time
v Valid time
w Pulse duration (width)
X Unknown, changing, or don't care level
H High
L Low
V Valid
IV Invalid
AE Active edge
FE First edge
LE Last edge
Z High impedance
94 Timing Requirements and Switching Characteristics Copyright © 2008–2011, Texas Instruments Incorporated
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