參數(shù)資料
型號: CY7C43646
廠商: Cypress Semiconductor Corp.
英文描述: 1K x36/x18x2 Tri Bus FIFO(1K x36/x18x2 三路總線 先進先出)
中文描述: 一千x36/x18x2三總線的FIFO(每1000 x36/x18x2三路總線先進先出)
文件頁數(shù): 26/40頁
文件大小: 577K
代理商: CY7C43646
CY7C43626
CY7C43636/CY7C43646
CY7C43666/CY7C43686
26
PRELIMINARY
Notes:
40. 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.
41. If Port B size is word or byte, AEB is set LOW by the last word or byte read from FIFO1, respectively.
42. t
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 t
, then AEB may transition HIGH one CLKB cycle later than shown.
43. FIFO2 Write (MBB = LOW), FIFO2 Read (CSA = LOW, W/RA = LOW, MBA = LOW). Data in the FIFO2 output register has been read from the FIFO.
44. If Port C size is word or byte, t
is referenced to the rising CLKC edge that writes the last word or byte of the long word, respectively.
45. t
is the minimum time between a rising CLKC edge and a rising CLKA edge for AEA to transition HIGH in the next CLKA cycle. If the time between
the rising CLKC edge and rising CLKA edge is less than t
SKEW2
, then AEA may transition HIGH one CLKA cycle later than shown.
Switching Waveforms
(continued)
t
PAE
t
PAE
t
ENH
t
ENS
t
SKEW2[42]
t
ENS
t
ENH
X1 Word in FIFO1
(X1+1)Words in FIFO1
CLKA
ENA
CLKB
AEB
RENB
Timing for AEB when FIFO2 is Almost Empty (CY Standard and FWFT Modes)
[40, 41]
t
PAE
t
PAE
t
ENH
t
ENS
t
SKEW2[45]
t
ENS
t
ENH
X2 Word in FIFO2
(X2+1) Words in FIFO2
CLKC
WENC
CLKA
AEA
ENA
Timing for AEA when FIFO2 is Almost Empty (CY Standard and FWFT Modes)
[43, 44]
相關(guān)PDF資料
PDF描述
CY7C43666 4K x36/x18x2 Tri Bus FIFO(4K x36/x18x2 三路總線先進先出)
CY7C43686 16K x36/x18x2 Tri Bus FIFO(16K x36/x18x2 三路總線先進先出)
CY7C43662AV 3.3V 4K x36 x2 Bidirectional Synchronous FIFO(3.3V 4K x36 x2 雙向同步先進先出)
CY7C43682AV 3.3V 16K x36 x2 Bidirectional Synchronous FIFO(3.3V 16K x36 x2 雙向同步先進先出)
CY7C43663AV 3.3V 4K x36 Unidirectional Synchronous FIFO w/ Bus Matching(3.3V 4K x36 單向同步先進先出帶總線匹配)
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