IDT723624(2014) Просмотр технического описания (PDF) - Integrated Device Technology

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IDT723624
(Rev.:2014)

CMOS SyncBiFIFO™ WITH BUS-MATCHING 256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2

Integrated Device Technology 

IDT723624/723634/723644 CMOS SyncBiFIFO™ WITH BUS-MATCHING

256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2

BYTE ORDER ON PORT A:

A35⎯A27

A

A26⎯A18

B

A17⎯A9

C

A8⎯A0

D

BE BM SIZE

XL X

BYTE ORDER ON PORT B:

BE BM SIZE

H HL

BE BM SIZE

LH L

BE BM SIZE

HHH

BE BM SIZE

LH H

B35⎯B27

A

B26⎯B18

B

B17⎯B9

C

(a) LONG WORD SIZE

B8⎯B0

D

B35⎯B27 B26⎯B18

B17⎯B9

A

B35⎯B27

B26⎯B18

B17⎯B9

C

(b) WORD SIZE ⎯ BIG ENDIAN

B35⎯B27 B26⎯B18 B17⎯B9

C

B8⎯B0

B

B8⎯B0

D

B8⎯B0

D

B35⎯B27 B26⎯B18

B17⎯B9

A

B8⎯B0

B

(c) WORD SIZE ⎯ LITTLE-ENDIAN

B35⎯B27 B26⎯B18

B17⎯B9

B8⎯B0

A

B35⎯B27 B26⎯B18

B17⎯B9

B35⎯B27 B26⎯B18 B17⎯B9

B8⎯B0

B

B8⎯B0

C

B35⎯B27 B26⎯B18 B17⎯B9

(d) BYTE SIZE ⎯ BIG-ENDIAN

B35⎯B27 B26⎯B18

B17⎯B9

B8⎯B0

D

B8⎯B0

D

B35⎯B27 B26⎯B18

B17⎯B9

B35⎯B27 B26⎯B18 B17⎯B9

B8⎯B0

C

B8⎯B0

B

B35⎯B27 B26⎯B18 B17⎯B9

(e) BYTE SIZE ⎯ LITTLE-ENDIAN

B8⎯B0

A

Figure 2. Bus Sizing

16

COMMERCIAL TEMPERATURE RANGE

Write to FIFO1/

Read from FIFO2

Read from FIFO1/

Write to FIFO2

1st: Read from FIFO1/

Write to FIFO2

2nd: Read from FIFO1/

Write to FIFO2

1st: Read from FIFO1/

Write to FIFO2

2nd: Read from FIFO1/

Write to FIFO2

1st: Read from FIFO1/

Write to FIFO2

2nd: Read from FIFO1/

Write to FIFO2

3rd: Read from FIFO1/

Write to FIFO2

4th: Read from FIFO1/

Write to FIFO2

1st: Read from FIFO1/

Write to FIFO2

2nd: Read from FIFO1/

Write to FIFO2

3rd: Read from FIFO1/

Write to FIFO2

4th: Read from FIFO1/

Write to FIFO2

3270 drw 04

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