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參數(shù)資料
| 型號(hào)： | 72V285L15TFI9 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | FIFO |
| 英文描述： | 64K X 18 OTHER FIFO, 10 ns, PQFP64 |
| 封裝： | STQFP-64 |
| 文件頁數(shù)： | 24/25頁 |
| 文件大小： | 266K |
| 代理商： | 72V285L15TFI9 |
8
COMMERCIAL AND INDUSTRIAL
TEMPERATURERANGES
IDT72V275/72V285 3.3V CMOS SUPERSYNC FIFOTM
32,768 x 18 and 65,536 x 18
Number of
Words in
FIFO
0
1 to n (1)
(n+1) to 16,384
16,385 to (32,768-(m+1))
(32,768-m) (2) to 32,767
32,768
0
1 to n (1)
(n+1) to 32,768
32,769 to (65,536-(m+1))
(65,536-m) (2) to 65,535
65,536
TABLE 2. STATUS FLAGS FOR FWFT MODE
72V275
72V285
FF PAF HF PAE EF
HH
HL
L
HH
HL
H
HH
H
HH
L
H
HL
L
H
LL
LH
H
TABLE 1. STATUS FLAGS FOR IDT STANDARD MODE
4512 drw 05
0
1 to n+1(1)
(n+2) to 16,385
(32,769-m)
(2)
to 32,768
32,769
0
1 to n+1(1)
(n+2) to 32,769
32,770 to (65,537-(m+1))
(65,537-m)
(2)
to 65,536
65,537
IR PAF HF PAE OR
LH
H
L
H
LH
H
L
H
HHL
LH
L
H
L
LLL
H
L
HL
L
H
L
72V275
72V285
Number of
Words in
FIFO
16,386 to (32,769-(m+1))
NOTES:
1. n = Empty Offset, Default Values: n = 127 when parallel offset loading is selected or n = 1,023 when serial offset loading is selected.
2. m = Full Offset, Default Values: m = 127 when parallel offset loading is selected or m = 1,023 when serial offset loading is selected.
NOTES:
1. n = Empty Offset, Default Values: n = 127 when parallel offset loading is selected or n = 1,023 when serial offset loading is selected.
2. m = Full Offset, Default Values: m = 127 when parallel offset loading is selected or m = 1,023 when serial offset loading is selected.
Figure 4, Programmable Flag Offset Programming Sequence, summa-
rizes the control pins and sequence for both serial and parallel programming
modes. For a more detailed description, see discussion that follows.
Theoffsetregistersmaybeprogrammed(andreprogrammed)anytimeafter
Master Reset, regardless of whether serial or parallel programming has been
selected.
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