參數(shù)資料
型號(hào): IDT72285L10PF8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 24/25頁
文件大小: 0K
描述: IC FIFO 65536X18 LP 10NS 64-TQFP
標(biāo)準(zhǔn)包裝: 750
系列: 7200
功能: 同步
存儲(chǔ)容量: 1.1M(65K x 18)
訪問時(shí)間: 10ns
電源電壓: 4.5 V ~ 5.5 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(14x14)
包裝: 帶卷 (TR)
其它名稱: 72285L10PF8
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
IDT72275/72285
CMOS SuperSync FIFO 32,768 x 18 and 65,536 x 18
8
InadditiontoloadingoffsetvaluesintotheFIFO,italsopossibletoreadthe
currentoffsetvalues.Itisonlypossibletoreadoffsetvaluesviaparallelread.
Figure4,ProgrammableFlagOffsetProgrammingSequence,summarizes
thecontrolpinsandsequenceforbothserialandparallelprogrammingmodes.
Foramoredetaileddescription,seediscussionthatfollows.
The offset registers may be programmed (and reprogrammed) any time
after Master Reset, regardless of whether serial or parallel programming
has been 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.
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.
TABLE 1 — STATUS FLAGS FOR IDT STANDARD MODE
TABLE 2 — STATUS FLAGS FOR FWFT MODE
IDT72275
IDT72285
IR
PAF
HF
PAE OR
0
L
H
L
H
1 to n+ 1(1)
L
H
L
(n + 2) to 16,385
(n + 2) to 32,769
L
H
L
16,386 to (32,769-(m+1))(2)
32,770 to (65,537-(m+1))(2)
L
H
L
H
L
(32,769-m)to32,768
(65,537-m)to65,536
L
H
L
32,769
65,537
H
L
H
L
Number of
Words in
FIFO(1)
IDT72275
IDT72285
FF
PAF
HF
PAE
EF
0
H
L
1 to n(1)
H
L
H
(n + 1) to 16,384
(n + 1) to 32,768
H
16,385 to (32,768-(m+1))
32,769 to (65,536-(m+1))
H
L
H
(32,768-m)(2) to32,767
(65,536-m)(2) to65,535
H
L
H
32,768
65,536
L
H
Number of
Words in
FIFO
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