L8C201/202/203/204
DEVICES INCORPORATED
512/1K/2K/4K x 9-bit Asynchronous FIFO
SWITCHING CHARACTERISTICS
Over Commercial and Industrial Operating Range
F
ULL
/H
ALF
-F
ULL
/E
MPTY
F
LAG
T
IMING
(ns)
L8C201/202/203/204–
25
Symbol
t
RHFH
t
EHRH
t
RHHH
t
WHEH
t
WLHL
t
FHWH
Parameter
Read High to Full Flag High
Read Pulse Width After Empty Flag High
Read High to Half-Full Flag High
Write High to Empty Flag High
Write Low to Half-Full Flag Low
Write Pulse Width After Full Flag High
(Note 9)
25
25
25
25
25
15
Min
Max
25
15
15
15
15
12
15
Min
Max
15
12
12
12
12
10
Min
12
Max
12
10
10
10
10
10
Min
Max
10
E
MPTY
F
LAG
T
IMING
W
t
WHEH
EF
LE
t
RHFH
MORE THAN
HALF-FULL
t
WLHL
7
R
F
ULL
F
LAG
T
IMING
W
FF
BS
O
HALF-FULL OR LESS
R
H
ALF
-F
ULL
F
LAG
T
IMING
O
W
R
HF
TE
t
EHRH
t
FHWH
HALF-FULL OR LESS
t
RHHH
FIFO Products
03/04/99–LDS.8C201/2/3/4-H
LOGIC [ LOGIC DEVICES INCORPORATED ]
