IDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFOTM WITH BU" />
參數(shù)資料
型號(hào): IDT72V3644L15PF8
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 25/34頁(yè)
文件大小: 0K
描述: IC FIFO 2048X36 15NS 128QFP
標(biāo)準(zhǔn)包裝: 1,000
系列: 72V
功能: 異步,同步
存儲(chǔ)容量: 72K(2K x 36)
數(shù)據(jù)速率: 67MHz
訪問(wèn)時(shí)間: 15ns
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: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 帶卷 (TR)
其它名稱: 72V3644L15PF8
31
COMMERCIALTEMPERATURERANGE
IDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFOTM WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
Figure 26. Timing for
AFB
AFB when FIFO2 is Almost-Full (IDT Standard and FWFT Modes)
Figure 27. Timing for Mail1 Register and
MBF1
MBF1 Flag (IDT Standard and FWFT Modes)
NOTE:
1. If Port B is configured for word size, data can be written to the Mail1 register using A0-A17 (A18-A35 are don't care inputs). In this first case B0-B17 will have valid data (B18-B35 will be
indeterminate). If Port B is configured for byte size, data can be written to the Mail1 Register using A0-A8 (A9-A35 are don't care inputs). In this second case, B0-B8 will have valid data
(B9-B35 will be indeterminate).
NOTES:
1. tSKEW2 is the minimum time between a rising CLKB edge and a rising CLKA edge for
AFB to transition HIGH in the next CLKB cycle. If the time between the rising CLKB edge and rising
CLKA edge is less than tSKEW2, then
AFB may transition HIGH one CLKB 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.
3. D = Maximum FIFO Depth = 256 for the IDT72V3624, 512 for the IDT72V3634, 1,024 for the IDT72V3644.
4. If Port B size is word or byte,
AFB is set LOW by the last word or byte write of the long word, respectively.
AFB
CLKB
ENA
4664 drw28
ENB
CLKA
12
tSKEW2
tENH
tPAF
tENH
tPAF
[D-(Y2+1)] Words in FIFO2
(D-Y2) Words in FIFO2
(1)
tENS2
4664 drw29
CLKA
ENA
A0-A35
MBA
CSA
W/RA
CLKB
MBF1
CSB
MBB
ENB
B0-B35
W/RB
W1
tENH
tDS
tDH
tPMF
tENH
tDIS
tEN
tMDV
tPMR
FIFO1 Output Register
W1 (Remains valid in Mail1 Register after read)
tENH
tENS1
tENS2
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