IDT72V275/72V285 3.3V CMOS SUPERSYNC FIFOTM 32,768 x 18 " />
參數(shù)資料
型號: IDT72V285L20TF8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 24/25頁
文件大?。?/td> 0K
描述: IC FIFO SS 65536X18 20NS 64STQFP
標(biāo)準(zhǔn)包裝: 1,250
系列: 72V
功能: 異步
存儲(chǔ)容量: 1.1M(65K x 18)
數(shù)據(jù)速率: 50MHz
訪問時(shí)間: 20ns
電源電壓: 3 V ~ 3.6 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
其它名稱: 72V285L20TF8
8
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
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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