lh5496 Sharp Microelectronics of the Americas, lh5496 Datasheet - Page 10

• Manufacturer Part Number: lh5496
• Description: Cmos Fifo
• Manufacturer: Sharp Microelectronics of the Americas

LH5496/96H
TIMING DIAGRAMS (cont’d)
10
NOTES:
NOTES:
1. t
2. t
3. The Data Out pins (D
1. t
2. t
HF
W
R
high-impedance state whenever EF = LOW.
EF
RPE
RPE
FF
WPF
WPF
W
W
R
R
: Effective Read Pulse Width after Empty Flag HIGH.
: Effective Write Pulse Width after Full Flag HIGH.
= t
= t
HALF-FULL
RPW
OR LESS
WPW
0
- D
8
) are forced into a
t
WHF
Figure 11. Empty Flag Timing
Figure 12. Full Flag Timing
MORE THAN
HALF-FULL
t
t
RFF
WEF
t
RHF
HALF-FULL
t
OR LESS
t
WPF
RPE
CMOS 512
9 FIFO
5496-11
5496-12
5496-10