IDT72V81 IDT [Integrated Device Technology], IDT72V81 Datasheet - Page 6

• Manufacturer Part Number: IDT72V81
• Description: 3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9
• Manufacturer: IDT [Integrated Device Technology]

DATA OUT
HF, EF, FF
IDT72V81/72V82/72V83/72V84/72V85
EF
W
FF
W
R
R
W,R
RT
EF
W
R
LAST READ
t
REF
t
VALID
A
IGNORED
READ
Figure 7. Minimum Timing for an Empty Flag Coincident Read Pulse
Figure 8. Minimum Timing for an Full Flag Coincident Write Pulse
Figure 5. Empty Flag From Last Read to First Write
FIRST WRITE
Figure 6. Retransmit
t
WEF
t
RTC
t
RT
6
t
RTF
t
RTS
ADDITIONAL
WRITES
FIRST READ
Commercial Temperature Range
t
t
WEF
RFF
t
t
VALID
RPE
WPF
t
RTR
FLAG VALID
3966 drw 10
3966 drw 09
3966 drw 08
3966 drw 07