L8C201/202/203/204
DEVICES INCORPORATED
512/1K/2K/4K x 9-bit Asynchronous FIFO
SWITCHING CHARACTERISTICS
Over Military Operating Range
F
ULL
/H
ALF
-F
ULL
/E
MPTY
F
LAG
T
IMING
(ns)
L8C201/202/203/204–
40
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)
40
40
50
35
50
30
Min
Max
35
30
40
30
40
20
Min
30
Max
30
20
30
20
30
20
Min
Max
20
E
MPTY
F
LAG
T
IMING
W
t
WHEH
EF
LE
t
RHFH
MORE THAN
HALF-FULL
t
WLHL
11
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