IDT723663 datasheet(18/30 Pages) RENESAS

18 / 30 page

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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)

SIZE

A35-A27

A26-A18

A17-A9

A8-A0

B35-B27

B26-B18

B17-B9

B8-B0

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

tCLKH

tCLKL

tCLK

tENS1

tENS2

tDS

tENH

tDH

W1(1)

W2 (1)

tENS2

tENH

tENS2

No Operation

HIGH

5610 drw10

CLKB

EF/OR

ENB

MBB

CSB

W/RB

tDIS

tCLK

tCLKH

tCLKL

tENS2

tMDV

tEN

tENS2

tENH

tENS2

tENH

W1(1)

W2 (1)

W3 (1)

tENH

tDIS

tEN

W2 (1)

(1)

Previous Data

tMDV

B0-B35

(Standard Mode)

B0-B35

(FWFT Mode)

No Operation

HIGH

IDT723663 Datasheet(PDF) 18 Page - Renesas Technology Corp

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