Cypress CY7C1019BN Write Cycle No CE Controlled12, Data I/O Data Valid, Data I/O Data in Valid

CY7C1019BN

Switching Waveforms (continued)

Write Cycle No. 1 (CE Controlled)[12, 13]

	tWC
ADDRESS
	tSCE
CE
tSA
tAW	tSCE	tHA
	tPWE
WE
	tSD	tHD
DATA I/O	DATA VALID

Write Cycle No. 2 (WE Controlled, OE HIGH During Write)[12, 13]

		tWC
ADDRESS
		tSCE
CE
	tAW		tHA
	tSA	tPWE
WE
OE
		tSD	t
			HD
DATA I/O	NOTE 14	DATAIN VALID
	tHZOE

Notes:

12.Data I/O is high impedance if OE = VIH.

13.If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.

14.During this period the I/Os are in the output state and input signals should not be applied.

Document #: 001-06425 Rev. ** Page 5 of 8

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