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參數(shù)資料
| 型號(hào)： | IDT72V3634L15PF8 |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 24/34頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC FIFO 512X36X2 15NS 128QFP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | 72V |
| 功能： | 異步，同步 |
| 存儲(chǔ)容量： | 36.8K（512 x 36 x 2） |
| 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： | 72V3634L15PF8 |
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30
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 25. Timing for
AFA
AFA when FIFO1 is Almost-Full (IDT Standard and FWFT Modes)
Figure 23. Timing for
AEB
AEB when FIFO1 is Almost-Empty (IDT Standard and FWFT Modes)
Figure 24. Timing for
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
AEB to transition HIGH in the next CLKB cycle. If the time between the rising CLKA edge and rising
CLKB edge is less than tSKEW2, then
AEB may transition HIGH one CLKB cycle later than shown.
2. FIFO1 Write (
CSA = LOW, W/RA = LOW, MBA = LOW), FIFO1 read (CSB = LOW, W/RB = HIGH, MBB = LOW). Data in the FIFO1 output register has been read from the FIFO.
3. If Port B size is word or byte,
AEB is set LOW by the last word or byte read from FIFO1, respectively.
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.
3. If Port B size is word or byte, tSKEW2 is referenced to the rising CLKB edge that writes the last word or byte of the long word, respectively.
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 IDT72V3624, 512 for the IDT72V3634, 1,024 for the IDT72V3644.
4. If Port B size is word or byte, tSKEW2 is referenced to the rising CLKB edge that reads the last word or byte of the long word, respectively.
AEB
CLKA
ENB
4664 drw25
ENA
CLKB
2
1
tENH
tSKEW2
tPAE
tENH
X1 Words in FIFO1
(X1+1) Words in FIFO1
(1)
tENS2
AEA
CLKB
ENA
4664 drw26
ENB
CLKA
2
1
tENH
tSKEW2
tPAE
tENH
(X2+1) Words in FIFO2
X2 Words in FIFO2
(1)
tENS2
AFA
CLKA
ENB
4664 drw27
ENA
CLKB
12
tSKEW2
tENH
tPAF
tENH
tPAF
[D-(Y1+1)] Words in FIFO1
(D-Y1) Words in FIFO1
(1)
tENS2
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