LH540203D SHARP [Sharp Electrionic Components], LH540203D Datasheet - Page 15

• Manufacturer Part Number: LH540203D
• Description: CMOS 2048X9 ASYNCHRONOUS FIFO
• Manufacturer: SHARP [Sharp Electrionic Components]

CMOS 2048
TIMING DIAGRAMS (cont’d)
NOTES:
1. t
2. FF, HF, and EF may change state during retransmit; but they will
become valid by t
R,W
XO
RTC
W
RT
R
W
XI
R
= t
RT
+ t
9 Asynchronous FIFO
RTR
.
RTC
.
WRITE TO LAST
t
XOL
AVAILABLE
LOCATION
t
XIS
t
XI
WRITE TO FIRST
AVAILABLE
LOCATION
Figure 20. Expansion-Out Timing
Figure 21. Expansion-In Timing
Figure 19. Retransmit Timing
t
XOH
t
t
RT
XIR
t
t
XIS
RTR
t
XOL
READ FROM
LAST VALID
LOCATION
READ FROM FIRST
LOCATION
VALID
t
XOH
LH540203
540203-15
540203-16
540203-13
15