參數(shù)資料
型號: CY7C4205-25ASI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
中文描述: 256 X 18 OTHER FIFO, 15 ns, PQFP64
封裝: 10 X 10 MM, TQFP-64
文件頁數(shù): 8/25頁
文件大?。?/td> 409K
代理商: CY7C4205-25ASI
CY7C4425/4205/4215
CY7C4225/4235/4245
8
Notes:
17. When t
> minimum specification, t
(maximum) = t
+ t
. When t
SKEW2
< minimum specification, t
FRL
(maximum) = either 2*t
CLK
+ t
SKEW2
or t
CLK
+ t
SKEW2
.
The Latency Timing applies only at the Empty Boundary (EF = LOW).
18. The first word is available the cycle after EF goes HIGH, always.
Switching Waveforms
(continued)
D
0
(FIRSTVALIDWRITE)
First Data Word Latency after Reset with Simultaneous Read and Write
t
SKEW2
WEN
WCLK
Q
0
–Q
17
EF
REN
OE
t
OE
t
ENS
t
OLZ
t
DS
RCLK
t
REF
t
A
t
FRL
D
1
D
2
D
3
D
4
D
0
D
1
D
0
–D
17
42X5–9
t
A
[18]
[17]
D1
D0
t
ENS
t
SKEW2
Empty Flag Timing
WEN
WCLK
Q
0
–Q
17
EF
REN
OE
t
DS
t
ENH
RCLK
t
REF
t
A
t
FRL
D
0
–D
17
D0
t
SKEW2
t
FRL
t
REF
t
DS
t
ENS
t
ENH
42X5–10
t
REF
[17]
[17]
相關(guān)PDF資料
PDF描述
CY7C4215-25ASI 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4215-25AI 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4215-25JC 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4215-25JI 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4215-35AC 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
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