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IDT72V36103

3.3 VOLT CMOS SyncFIFOTM WITH BUS-MATCHING 16,384 x 36 32,768 x 36 65,536 x 36

Integrated Device Technology 

IDT72V3683/72V3693/72V36103 3.3V CMOS SyncFIFOTM WITH

BUS-MATCHING 16,384 x 36, 32,768 x 36 and 65,536 x 36

BYTE ORDER ON PORT A:

A35  A27 A26  A18

A

B

A17  A9

C

COMMERCIAL TEMPERATURE RANGE

A8  A0

D

Write to FIFO

BYTE ORDER ON PORT B:

BE BM SIZE

XL X

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

Read from FIFO

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

1st: Read from FIFO

B8  B0

D

2nd: Read from FIFO

B8  B0

D

1st: Read from FIFO

B35  B27

B26  B18

B17  B9

A

B8  B0

B

2nd: Read from FIFO

(c) WORD SIZE  LITTLE-ENDIAN

B35  B27 B26  B18 B17  B9

B8  B0

A

1st: Read from FIFO

B35  B27 B26  B18 B17  B9

B8  B0

B

2nd: Read from FIFO

B35  B27 B26  B18 B17  B9

B8  B0

C

3rd: Read from FIFO

B35  B27 B26  B18 B17  B9

(d) BYTE SIZE  BIG-ENDIAN

B35  B27 B26  B18 B17  B9

B8  B0

D

4th: Read from FIFO

B8  B0

D

1st: Read from FIFO

B35  B27 B26  B18 B17  B9

B8  B0

C

2nd: Read from FIFO

B35  B27 B26  B18 B17  B9

B8  B0

B

3rd: Read from FIFO

B35  B27 B26  B18 B17  B9

(e) BYTE SIZE  LITTLE-ENDIAN

Figure 2. Bus sizing

15

B8  B0

A

4th: Read from FIFO

4678 drw 04

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