IDT72261 IDT [Integrated Device Technology], IDT72261 Datasheet - Page 20

• Manufacturer Part Number: IDT72261
• Description: CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
• Manufacturer: IDT [Integrated Device Technology]

IDT72261/72271 SyncFIFO
16,384 x 9, 32,768 x 9
D
WCLK
Q
RCLK
NOTES:
1. t
2.
0
WEN
REN
0
- D
- Q
LD
Where T
OE
EF
FWL1
8
8
= HIGH
max. (in ns) = 10*T
t
ENS
f
t
DS
is either the RCLK or the WCLK period, whichever is shorter, and T
LOW
DATA WRITE 1
f
t
+ 2*T
FWL1
t
ENH
(1)
RCLK
DATA IN OUTPUT REGISTER
t
REF
Figure 10. Empty Flag Timing (IDT Standard Mode)
t
REF
t
A
RCLK
t
is the period.
ENS
t
DS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DATA WRITE 2
t
FWL1
t
ENH
(1)
WORD 1
t
REF
3036 drw 13
20