IDT72V3622/72V3632/72V3642 CMOS 3.3V SyncBiFIFOTM 256 x 36 x 2, 512 x 36" />
參數資料
型號: IDT72V3622L10PF
廠商: IDT, Integrated Device Technology Inc
文件頁數: 18/29頁
文件大小: 0K
描述: IC BIFIFO 256X36X2 10NS 120-TQFP
標準包裝: 45
系列: 72V
功能: 異步,同步
存儲容量: 18.4K(256 x 36 x 2)
數據速率: 100MHz
訪問時間: 10ns
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: 120-LQFP
供應商設備封裝: 120-TQFP(14x14)
包裝: 托盤
其它名稱: 72V3622L10PF
25
COMMERCIAL TEMPERATURERANGE
IDT72V3622/72V3632/72V3642 CMOS 3.3V SyncBiFIFOTM
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
NOTES:
1. tSKEW2 is the minimum time between a rising CLKB edge and a rising CLKA edge for AEA to transition HIGH in the next CLKA cycle. If the time between the rising CLKB edge and rising
CLKA edge is less than tSKEW2, then AEA may transition HIGH one CLKA cycle later than shown.
2. FIFO2 Write (CSB = LOW, W/RB = LOW, MBB = LOW), FIFO2 read (CSA = LOW, W/RA = LOW, MBA = LOW). Data in the FIFO2 output register has been read from the FIFO.
Figure 17. Timing for AEA
AEA
AEA when FIFO2 is Almost-Empty (IDT Standard and FWFT Modes)
NOTES:
1. tSKEW2 is the minimum time between a rising CLKA edge and a rising CLKB edge for AFA to transition HIGH in the next CLKA cycle. If the time between the rising CLKA edge and rising
CLKB edge is less than tSKEW2, then AFA may transition HIGH one CLKA cycle later than shown.
2. FIFO1 Write (CSA = LOW, W/RA = HIGH, MBA = LOW), FIFO1 read (CSB = LOW, W/RB = HIGH, MBB = LOW). Data in the FIFO1 output register has been read from the FIFO.
3. D = Maximum FIFO Depth = 256 for the IDT72V3622, 512 for the IDT72V3632, 1,024 for the IDT72V3642.
Figure 18. Timing for AFA
AFA
AFA when FIFO1 is Almost-Full (IDT Standard and FWFT Modes)
AEA
CLKB
ENA
4660 drw 19
ENB
CLKA
2
1
tENS2
tENH
tSKEW2
tPAE
tENS2
tENH
(X2+1) Words in FIFO2
X2 Words in FIFO2
(1)
AFA
CLKA
ENB
4660 drw 20
ENA
CLKB
12
tSKEW2
tENS2
tENH
tPAF
tENS2
tENH
tPAF
[D-(Y1+1)] Words in FIFO1
(D-Y1) Words in FIFO1
(1)
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