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參數(shù)資料
| 型號(hào)： | CY7C43684AV |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 3.3V 16K x36 x2 Bidirectional Synchronous FIFO w/ Bus Matching(3.3V 16K x36 x2 雙向同步先進(jìn)先出帶總線匹配) |
| 中文描述： | 3.3 16K的x36 x2雙向同步FIFO瓦特/總線匹配（3.3 16K的x36 x2雙向同步先進(jìn)先出帶總線匹配） |
| 文件頁(yè)數(shù)： | 35/38頁(yè) |
| 文件大小： | 581K |
| 代理商： | CY7C43684AV |
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CY7C43644AV
CY7C43664AV/CY7C43684AV
35
PRELIMINARY
Table 4. FIFO1 Flag Operation (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[56, 57, 58, 59]
CY7C43644AV
CY7C43664AV
Synchronized to CLKA
EFB/ORB
Synchronized to CLKB
AFA
CY7C43684AV
AEB
FFA/IRA
0
0
0
L
L
H
H
1 TO X1
1 TO X1
1 TO X1
H
L
H
H
(X1+1) to
[1024
–
(Y1+1)]
(X1+1) to
[4096
–
(Y1+1)]
(X1+1) to
[16384
–
(Y1+1)]
H
H
H
H
(1024
–
Y1) to 1023 (4096
–
Y1) to 4095
(16384
–
Y1) to
16383
H
H
L
H
1024
4096
16384
H
H
L
L
Table 5. FIFO2 Flag Operation (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[57, 58, 60, 61]
Synchronized to CLKA
Synchronized to CLKB
CY7C43644AV
0
CY7C43664AV
0
CY7C43684AV
0
EFB/ORB
L
AEB
L
AFA
H
FFA/IRA
H
1 TO X2
1 TO X2
1 TO X2
H
L
H
H
(X2+1) to
[1024
–
(Y2+1)]
(X2+1) to
[4096
–
(Y2+1)]
(X2+1) to
[16384
–
(Y2+)1]
H
H
H
H
(1024
–
Y2) to 1023
(4096
–
Y2) to 4095
(16384
–
Y2) to
16383
H
H
L
H
1024
4096
16384
H
H
L
L
Table 6. Data Size for Long-Word Writes to FIFO2
Size Mode
[62]
SIZE
Data Written to FIFO2
B
18
–
26
B
Data Read From FIFO2
A
18
–
26
B
BM
BE
B
27
–
35
A
B
9
–
17
C
B
0
–
8
D
A
27
–
35
A
A
9
–
17
C
A
0
–
8
D
L
X
X
Table 7. Data Size for Word Writes to FIFO2
Size Mode
[62]
SIZE
Write No.
Data Written to FIFO2
B
9
–
17
A
Data Read From FIFO2
A
18
–
26
B
BM
BE
B
0
–
8
B
A
27
–
35
A
A
9
–
17
C
A
0
–
8
D
H
L
H
1
2
C
D
H
L
L
1
C
D
A
B
C
D
2
A
B
Notes:
56. X1 is the almost-empty offset for FIFO1 used by AEB. Y1 is the almost-full offset for FIFO1 used by AFA. Both X1 and Y1 are selected during a FIFO1 reset
or port A programming.
57. When a word loaded to an empty FIFO is shifted to the output register, its previous FIFO memory location is free.
58. Data in the output register does not count as a
“
word in FIFO memory
”
. Since in FWFT mode, the first word written to an empty FIFO goes unrequested to
the output register (no read operation necessary), it is not included in the FIFO memory count.
59. The ORB and IRA functions are active during FWFT mode; the EFB and FFA functions are active in CY Standard mode.
60. X2 is the almost-empty offset for FIFO2 used by AEA. Y2 is the almost-full offset for FIFO2 used by AFB. Both X2 and Y2 are selected during a FIFO2 reset
or port A programming.
61. The ORA and IRB functions are active during FWFT mode; the EFA and FFB functions are active in CY Standard mode.quested to the output register (no
read operation necessary), it is not included in the FIFO memory count.
62. BE is selected at Master Reset; BM and SIZE must be static throughout device operation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C43684AV-10AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Bi-Dir 16K x 36 x 2 128-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:3.3V BIDIR SYNC FIFO W/ BUS MATCHING 16KX32X2 - Bulk |
| CY7C43686-15AC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C43686AV-7AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Triple Depth/Width Tri-Bus 16K x 36/16K x 18 x 2 128-Pin TQFP |
| CY7C439-40DMB | 制造商:Cypress Semiconductor 功能描述: |
| CY7C441-14JC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Width Uni-Dir 512 x 9 32-Pin PLCC |
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