Document Number : 001-55636 Rev. *A

Page 6 of 10

Switching Waveforms

Figure 4. Read Cycle No. 1: Address Transition Controlled [10, 11]

Figure 5. Read Cycle No. 2: OE Controlled [11, 12]

Figure 6. Write Cycle No 1: WE Controlled [8, 13, 14]

PREVIOUS DATA VALID

DATA VALID

RC

ADDRESS

DATA OUT

50%

50%

DATA VALID

DATA OUT

HIGH IMPEDANCE

IMPEDANCE

OE

CE

HIGH

V

CC

SUPPLY

CURRENT

DATA I/O

ADDRESS

CE

WE

OE

NOTE

15

Notes

11. WE is HIGH for read cycle.

12. Address valid before or similar to CE transition LOW.

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