CY7C43643 CYPRESS [Cypress Semiconductor], CY7C43643 Datasheet - Page 10

• Manufacturer Part Number: CY7C43643
• Description: 1K/4K/16K x36 Unidirectional Synchronous FIFO with Bus Matching
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-06021 Rev. *B
BYTE ORDER ON
PORT A:
BE
BE
BE
BE
X
H
BE
H
L
L
BM
BM
BM
BM
BM
L
H
H
H
H
SIZE
SIZE
SIZE
SIZE
SIZE
X
L
H
L
H
B
B
B
B
B
B
B
B
A
B
27–35
B
27–35
27–35
27–35
B
27–35
27–35
B
B
27–35
27–35
27–35
27–35
27–35
27–35
A
27–35
27–35
A
(c) WORD SIZE – LITTLE ENDIAN
(d) BYTE SIZE – BIG ENDIAN
(e) BYTE SIZE – LITTLE ENDIAN
(b) WORD SIZE – BIG ENDIAN
B
B
(a) LONG WORD SIZE
B
B
B
B
B
B
B
A
18–26
B
18–26
18–26
18–26
18–26
B
B
18–26
B
18–26
18–26
18–26
18–26
18–26
18–26
B
18–26
18–26
B
B
B
B
B
B
B
B
B
A
B
9–17
B
9–17
9–17
9–17
9–17
9–17
B
B
B
9–17
9–17
9–17
9–17
9–17
9–17
9–17
9–17
C
A
C
C
A
C
B
B
B
B
B
B
A
B
B
B
B
0–8
0–8
0–8
0–8
0–8
0–8
B
B
B
0–8
0–8
0–8
0–8
0–8
D
0–8
0–8
0–8
D
B
D
D
B
A
B
C
D
B
A
D
C
Read from
FIFO
1st: Read from
FIFO
2nd: Read from
FIFO
1st: Read from
FIFO
2nd: Read from
FIFO
1st: Read from
FIFO
2nd: Read from
FIFO
3rd: Read from
FIFO
4th: Read from
FIFO
Write to FIFO
1st: Read from
FIFO
2nd: Read from
FIFO
4th: Read from
FIFO
3rd: Read from
FIFO
CY7C43643
CY7C43663
CY7C43683
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