
LH540205
TIMING DIAGRAMS (cont’d)
CMOS 8192 × 9 Asynchronous FIFO
WRITE TO LAST
AVAILABLE
LOCATION
W
R
t XOL
t XOH
READ FROM
LAST VALID
LOCATION
t XOL
t XOH
XO
Figure 19. Expansion-Out Timing
540205-15
t XI
t XIR
XI
t XIS
WRITE TO FIRST
AVAILABLE
W
LOCATION
R
t XIS
READ FROM FIRST
VALID
LOCATION
Figure 20. Expansion-In Timing
540205-16
16