
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO
64 x 9, 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
12
Figure 13. Read Offset Registers Timing
Figure 12. Write Offset Registers Timing
tENS
tENH
tENS
tDS
tDH
LD
WEN1
D0 - D7
PAF OFFSET
(MSB)
PAF OFFSET
(LSB)
PAE OFFSET
(MSB)
PAE OFFSET
(LSB)
tCLK
tCLKL
tCLKH
2655 drw 14
tENS
tENH
tENS
DATA IN OUTPUT REGISTER
EMPTY OFFSET
(LSB)
EMPTY OFFSET
(MSB)
FULL OFFSET
(LSB)
FULL OFFSET
(MSB)
RCLK
LD
REN1,
REN2
Q0 - Q7
tCLK
tA
tCLKL
tCLKH
2655 drw15