18

COMMERCIALTEMPERATURERANGE

BUS-MATCHING 2,048 x 36, 4,096 x 36, and 8,192 x 36

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)

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)

4662 drw09

CLKA

FF/IRA

ENA

A0-A35

MBA

CSA

W/

RA

No Operation

HIGH

4662 drw 10

CLKB

EF/OR

ENB

MBB

CSB

W/RB

W3

(1)

(1)

W1

Previous Data

OR

B0-B35

(Standard Mode)

B0-B35

(FWFT Mode)

No Operation

HIGH