參數(shù)資料
型號: 7C421-30
廠商: Cypress Semiconductor Corp.
英文描述: 256/512/1K/2K/4K x 9 Asynchronous FIFO
中文描述: 256/512/1K/2K/4K × 9異步FIFO
文件頁數(shù): 8/22頁
文件大?。?/td> 522K
代理商: 7C421-30
CY7C419/21/25/29/33
Document #: 38-06001 Rev. *A
Page 8 of 22
Switching Waveforms
Notes:
11.
12. t
MRSC
= t
PMR
+ t
RMR
.
W and R
V
IH
around the rising edge of MR.
DATA VALID
DATA VALID
DATA VALID
DATA VALID
Asynchronous ReadandWrite
t
SD
t
HD
t
RC
t
PR
t
A
t
A
t
RR
t
LZR
t
DVR
t
HZR
t
WC
t
PW
t
WR
R
Q
0
Q
8
W
D
0
D
8
Master Reset
MR
R, W
HF
FF
EF
t
MRSC
t
PMR
t
EFL
t
HFH
t
FFH
t
RPW
t
WPW
t
RMR
HALF FULL+1
HALF FULL
HALF FULL
W
R
HF
t
WHF
t
RHF
Half-FullFlag
C420
9
C420
10
C420
11
[11]
[12]
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7C4215AT 制造商:Cypress Semiconductor 功能描述:
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