18

COMMERCIALTEMPERATURERANGE

IDT723663/723673 CMOS SyncFIFOTM WITH BUS-MATCHING

4,096 x 36 x 2 and 8,192 x 36 x 2

NOTE:

1. Data read from the FIFO

NOTE:

1. BE is selected at Reset: BM and SIZE must be static throughout device operation.

Figure 8. Port B Long-Word Read Cycle (IDT Standard and FWFT Modes)

SIZE MODE(1)

DATA WRITTEN TO FIFO

DATA READ FROM FIFO

(SELECT AT RESET)

BM

SIZE

BE

A35-A27

A26-A18

A17-A9

A8-A0

B35-B27

B26-B18

B17-B9

B8-B0

LX

X

A

B

C

D

A

B

C

D

DATA SIZE TABLE FOR FIFO LONG-WORD READS

NOTE:

1. Written to FIFO.

Figure 7. Port A Write Cycle Timing for FIFO (IDT Standard and FWFT Modes)

5610 drw09

CLKA

FF/IRA

ENA

A0-A35

MBA

CSA

W/

RA

tCLKH

tCLKL

tCLK

tENS1

tENS1

tENS2

tENS2

tDS

tENH

tENH

tENH

tENH

tDH

W1(1)

W2 (1)

tENS2

tENH

tENH

tENS2

No Operation

HIGH

5610 drw10

CLKB

EF/OR

ENB

MBB

CSB

W/RB

tDIS

tCLK

tCLKH

tCLKL

tENS2

tA

tMDV

tEN

tA

tENS2

tENH

tENS2

tENH

W1(1)

W2 (1)

W3 (1)

tENH

tDIS

tEN

W2 (1)

(1)

W1

Previous Data

tMDV

tA

OR

B0-B35

(Standard Mode)

B0-B35

(FWFT Mode)

tA

No Operation

HIGH