L8C201/202/203/204
DEVICES INCORPORATED
512/1K/2K/4K x 9-bit Asynchronous FIFO
SWITCHING CHARACTERISTICS Over Military Operating Range
EXPANSION TIMING (ns)
L8C201/202/203/204–
40
30
20
Symbol Parameter
Min Max Min Max Min Max
tALOL
tAHOH
tXLXH
tXHXL
tALXL
Read/Write to Expansion Out Low (Note 11)
Read/Write to Expansion Out High (Note 11)
Expansion In Pulse Width (Notes 9, 11)
40
40
30
30
20
20
40
10
10
30
10
10
20
10
10
Expansion In High to Expansion In Low (Notes 9, 11)
Read/Write Low to Expansion In Low (Notes 9, 11)
EXPANSION OUT
WRITE TO
LAST PHYSICAL
LOCATION
W
R
READ FROM
LAST PHYSICAL
LOCATION
t
ALOL
t
AHOH
t
ALOL
t
AHOH
XO
EXPANSION IN
t
XLXH
tXHXL
XI
WRITE TO
FIRST PHYSICAL
LOCATION
t
ALXL
W
R
READ FROM
FIRST PHYSICAL
LOCATION
t
ALXL
OBSOLETE
FIFO Products
03/04/99–LDS.8C201/2/3/4-H
12
LOGIC [ LOGIC DEVICES INCORPORATED ]
