IDT72251 IDT [Integrated Device Technology], IDT72251 Datasheet - Page 7

• Manufacturer Part Number: IDT72251
• Description: CMOS SyncFIFOO 8192 X 9
• Manufacturer: IDT [Integrated Device Technology]

IDT72251 CMOS SyncFIFO
8192 x 9
NOTES:
1. Holding WEN2/
2. After reset, the outputs will be LOW if
3. The clocks (RCLK, WCLK) can be free-running during reset.
WEN2/
a load enable for the programmable flag offset registers.
EF
FF
Q
REN1,
WEN1
REN2
,
,
0
LD
PAF
PAE
- Q
RS
(1)
8
LD
HIGH during reset will make the pin act as a second write enable pin. Holding WEN2/
OE
= 0 and tri-state if
t
t
t
RSF
RSF
RSF
t
RS
t
t
t
RSS
RSS
RSS
OE
Figure 4. Reset Timing
= 1.
5.14
t
t
t
RSR
RSR
RSR
LD
LOW during reset will make the pin act as
COMMERCIAL TEMPERATURE RANGES
OE
OE
= 1
= 0
(2)
2655 drw 06
7