TL16C554A_13 Datasheet, PDF (13/46 Pages) Texas Instruments – ASYNCHRONOUS-COMMUNICATIONS ELEMENT

A2, A1, A0
CSx
IOR
IOW
D7 −D0
TL16C554A, TL16C554AI
ASYNCHRONOUS-COMMUNICATIONS ELEMENT
SLLS509E − AUGUST 2001 − REVISED JUNE 2010
PARAMETER MEASUREMENT INFORMATION
50%
Valid
50%
t_su1
t_su2
Valid
50%
t_d1
Active
t_w4
50%
t_h1
50%
t_h2
50%
t_d2
t_en
t_dis
Valid Data
Figure 4. Read Cycle Timing Waveforms
50%
Active
50%
or
Active
A2, A1, A0
CSx
IOW
IOR
D7 −D0
50%
Valid
50%
t_su3
t_su4
Valid
t_d3
50% _Active
t_w5
50%
t_h3
50%
t_h4
50%
t_d4
t_su5
t_h5
Valid Data
Figure 5. Write Cycle Timing Waveforms
50%
50%
Active
or
Active
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
13