6.10

8

IDT 70121/70125S/L

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT

COMMERCIAL TEMPERATURE RANGE

TIMING WAVEFORM OF WRITE WITH PORT-TO-PORT READ AND

BUSY

BUSY

BUSY

BUSY

MATCH

R/

MATCH

VALID

VALID

(4)

2654 drw 09

(1)

TIMING WAVEFORM OF WRITE WITH

BUSY

BUSY

BUSY

BUSY

BUSY

NOTES:

1. tWH must be met for both

BUSY input (slave) and output (master).

2.

3. All timing is the same for left and right ports. Port 'A' may be either left or right port. Port 'B' is the opposite from port 'A'.

2654 drw 10

R/

R/

(1)

(2)

NOTES:

2.

3.

4.

All timing is the same for the left and right ports. Port 'A' may be either the left or right port. Port 'B' is opposite from port 'A'.