參數(shù)資料
型號: CY7C43666AV
廠商: Cypress Semiconductor Corp.
英文描述: 3.3V 4K x36/x18x2 Tri Bus FIFO(3.3V 4K x36/x18x2 三路總線先進(jìn)先出)
中文描述: 3.3 4K的x36/x18x2三總線的FIFO(3.3 4K的x36/x18x2三路總線先進(jìn)先出)
文件頁數(shù): 21/39頁
文件大?。?/td> 573K
代理商: CY7C43666AV
CY7C43646AV
CY7C43666AV/CY7C43686AV
21
PRELIMINARY
Notes:
35. If Port B size is word or byte, t
is referenced to the rising CLKB edge that reads the last word or byte write of the long word, respectively.
36. t
is the minimum time between a rising CLKB edge and a rising CLKA edge for IRA to transition HIGH in the next CLKA cycle. If the time between the
rising CLKB edge and rising CLKA edge is less than t
SKEW1
, then IRA may transition HIGH one CLKA cycle later than shown.
Switching Waveforms
(continued)
t
CLKH
t
CLKL
t
ENS
t
ENH
t
A
LOW
HIGH
FIFO1 Full
LOW
HIGH
t
ENS
t
ENH
t
WFF
t
WFF
t
CLKH
t
CLKL
t
CLK
t
CLK
t
SKEW1[36]
t
DH
t
DS
t
ENH
t
ENS
Previous Word in FIFO1 Output Register
Next Word From FIFO1
To FIFO1
CLKB
CSB
MBB
RENB
EFB/ORB
B
0
17
CLKA
FFA/IRA
CSA
W/RA
MBA
ENA
A
0
35
IRA Flag Timing and First Available Write when FIFO1 is Full (FWFT Mode)
[35]
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