參數(shù)資料
型號： CY7C43626
廠商： Cypress Semiconductor Corp.
英文描述： 256 x36/x18x2 Tri Bus FIFO(256 x36/x18x2 三路總線先進先出)
中文描述： 256 x36/x18x2三總線的FIFO（256 x36/x18x2三路總線先進先出）
文件頁數(shù)： 37/40頁
文件大?。?/td> 577K
代理商： CY7C43626
CY7C43626
CY7C43636/CY7C43646
CY7C43666/CY7C43686
37
PRELIMINARY
Table 5. FIFO1 Flag Operation (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[60, 61, 62, 63]
CY7C43636
CY7C43646
Synchronized to
CLKB
EFB/ORB
Synchronized to
CLKA
AFA
FFA/IRA
CY7C43626
CY7C43666
CY7C43686
AEB
0
0
0
0
0
L
L
H
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 6. FIFO2 FLAG OPERATION (CY Standard and FWFT modes)
Number of Words in FIFO Memory
[61, 62, 64, 65]
Synchronized to
CLKA
Synchronized to
CLKC
CY7C43626
CY7C43636
CY7C43646
CY7C43666
CY7C43686
EFA/ORA
AEA
AFC
FFC/IRC
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
Table 7. Data Size for Word Writes to FIFO2
Size Mode
[66]
Write No.
Data Written to FIFO2
Data Read From FIFO2
BM
SIZE
BE
C
9
–
17
A
C
0
–
8
B
A
27
–
35
A
A
18
–
26
B
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:
60. 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.
61. When a word loaded to an empty FIFO is shifted to the output register, its previous FIFO memory location is free.
62. 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.
63. The ORB and IRA functions are active during FWFT mode; the EFB and FFA functions are active in CY Standard mode.
64. X2 is the Almost Empty offset for FIFO2 used by AEA. Y2 is the Almost Full offset for FIFO2 used by AFC. Both X2 and Y2 are selected during a FIFO2 reset
or port A programming.
65. The ORA and IRC functions are active during FWFT mode; the EFA and FFC functions are active in CY Standard mode.
66. BE is selected at Master Reset. SIZEC must be static throughout device operation.
相關(guān)PDF資料
PDF描述
CY7C43646 1K x36/x18x2 Tri Bus FIFO(1K x36/x18x2 三路總線 先進先出)
CY7C43666 4K x36/x18x2 Tri Bus FIFO(4K x36/x18x2 三路總線先進先出)
CY7C43686 16K x36/x18x2 Tri Bus FIFO(16K x36/x18x2 三路總線先進先出)
CY7C43662AV 3.3V 4K x36 x2 Bidirectional Synchronous FIFO(3.3V 4K x36 x2 雙向同步先進先出)
CY7C43682AV 3.3V 16K x36 x2 Bidirectional Synchronous FIFO(3.3V 16K x36 x2 雙向同步先進先出)
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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