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參數(shù)資料
| 型號(hào)： | CY7C43632 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 512 x36 x2 Bidirectional Synchronous FIFO(512 x36 x2 雙向同步先進(jìn)先出) |
| 中文描述： | 512 x36 x2雙向同步FIFO（512 x36 x2雙向同步先進(jìn)先出） |
| 文件頁(yè)數(shù)： | 29/31頁(yè) |
| 文件大?。?/td> | 463K |
| 代理商： | CY7C43632 |
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CY7C43622
CY7C43632/CY7C43642
CY7C43662/CY7C43682
29
PRELIMINARY
Notes:
43. 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.
44. When a word loaded to an empty FIFO is shifted to the output register, its previous FIFO memory location is free.
45. 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.
46. The ORA and IRB functions are active during FWFT mode; the EFA and FFB functions are active in CY Standard Mode.
47. 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.
Table 4. FIFO1 Flag Operation (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[43, 44, 45, 46]
Synchronized to
CLKB
Synchronized to
CLKA
CY7C43622
0
CY7C43632
0
CY7C43642
0
CY7C43662
0
CY7C43682
0
EFB/ORB
L
AEB
L
AFA
H
FFA/IRA
H
1 TO X1
1 TO X1
1 TO X1
1 TO X1
1 TO X1
H
L
H
H
(X1+1) to
[256
–
(Y1+1)]
(X1+1) to
[512
–
(Y1+1)]
(X1+1) to
[1024
–
(Y1+1)]
(X1+1) to
[4096
–
(Y1+1)]
(X1+1) to
[16384
–
(Y1+1)]
H
H
H
H
(256
–
Y1) to
255
(512
–
Y1) to
511
(1024
–
Y1) to
1023
(4096
–
Y1) to
4095
(16384
–
Y1) to
16383
H
H
L
H
256
512
1024
4096
16384
H
H
L
L
Table 5. FIFO2 Flag Operation (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[44, 45, 46, 47]
CY7C43632
CY7C43642
Synchronized to
CLKA
EFA/ORA
Synchronized to
CLKB
AFB
CY7C43622
CY7C43662
CY7C43682
AEA
FFB/IRB
0
0
0
0
0
L
L
H
H
1 TO X2
1 TO X2
1 TO X2
1 TO X2
1 TO X2
H
L
H
H
(X2+1) to
[256
–
(Y2+1)]
(X2+1) to
[512
–
(Y2+1)]
(X2+1) to
[1024
–
(Y2+1)]
(X2+1) to
[4096
–
(Y2+1)]
(X2+1) to
[16384
–
(Y2+)1]
H
H
H
H
(256
–
Y2) to
255
(512
–
Y2) to
511
(1024
–
Y2) to
1023
(4096
–
Y2) to
4095
(16384
–
Y2) to
16383
H
H
L
H
256
512
1024
4096
16384
H
H
L
L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C43622 | 256 x36 x2 Bidirectional Synchronous FIFO(256 x36 x2 雙向同步先進(jìn)先出) |
| CY7C43682 | 16K x36 x2 Bidirectional Synchronous FIFO(16K x36 x2 雙向同步先進(jìn)先出) |
| CY7C43633 | 512 x36 Unidirectional Synchronous FIFO w/ Bus Matching(512 x36 單向同步先進(jìn)先出帶總線匹配) |
| CY7C43623 | 256 x36 Unidirectional Synchronous FIFO w/ Bus Matching(256 x36 單向同步先進(jìn)先出帶總線匹配) |
| CY7C43643 | 1K x36 Unidirectional Synchronous FIFO w/ Bus Matching(1K x36 單向同步先進(jìn)先出帶總線匹配) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C43642-10AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Bi-Dir 1K x 36 x 2 120-Pin TQFP |
| CY7C43643-15AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 36 128-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C43643AV-10AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 36 128-Pin TQFP |
| CY7C43643AV-15AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 36 128-Pin TQFP |
| CY7C43643AV-7AC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 36 128-Pin TQFP |
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