IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync
16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72
72-BIT FIFO
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
TABLE 3 STATUS FLAGS FOR IDT STANDARD MODE
IDT72T72115
FF PAF
PAE EF
IDT72T7285
IDT72T7295
IDT72T72105
HF
0
H
H
H
L
L
L
0
0
0
H
H
H
H
H
H
H
H
L
1 to n (1)
1 to n (1)
1 to n(1)
1 to n (1)
Number of
Words in
FIFO
L
H
H
H
H
H
(n+1) to 8,192
(n+1) to 16,384
(n+1) to 32,768
H
H
H
H
(n+1) to 65,536
8,193 to (16,384-(m+1))
16,385 to (32,768-(m+1)) 32,769 to (65,536-(m+1)) 65,537 to (131,072-(m+1))
(16,384-m) to 16,383
16,384
(32,768-m) to 32,767
32,768
(65,536-m) to 65,535
65,536
(131,072-m) to 131,071
131,072
H
L
L
L
L
NOTE:
1. See table 2 for values for n, m.
TABLE 4 STATUS FLAGS FOR FWFT MODE
HF
PAE OR
IDT72T72105
IDT72T72115
IR PAF
IDT72T7285
IDT72T7295
0
0
0
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
H
L
L
L
0
1 to n+1
1 to n+1
1 to n+1
Number of
Words in
FIFO
1 to n+1
L
H
H
(n+2) to 8,193
(n+2) to 16,385
(n+2) to 32,769
(n+2) to 65,537
8,194 to (16,385-(m+1)) 16,386 to (32,769-(m+1)) 32,770 to (65,537-(m+1))
65,538 to (131,073-(m+1))
L
L
H
H
L
L
L
L
(16,385-m) to 16,384
16,385
(32,769-m) to 32,768
32,769
(65,537-m) to 65,536
65,537
(131,073-m) to 131,072
131,073
5994 drw05
NOTE:
1. See table 2 for values for n, m.
16
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
