Cypress CY62158E manual Write Cycle No

CY62158E MoBL→

Switching Waveforms (continued)

Figure 6 shows WE controlled write cycle waveforms.[12, 16, 17]

Figure 6. Write Cycle No. 1

		tWC
ADDRESS
		tSCE
CE1
CE2
	tAW		tHA
	tSA	tPWE
WE
OE
		tSD	t
			HD
DATA IO	NOTE 18	VALID DATA
	tHZOE

Figure 7 shows CE1 or CE2 controlled write cycle waveforms.[12, 16, 17]

Figure 7. Write Cycle No. 2

	tWC
ADDRESS
	tSCE
CE1
tSA
CE2
tAW	tPWE	tHA
WE
OE	tSD	tHD
DATA IO	VALID DATA

Notes

16.Data IO is high impedance if OE = VIH.

17.If CE1 goes HIGH or CE2 goes LOW simultaneously with WE HIGH, the output remains in high impedance state.

18.During this period, the IOs are in output state. Do not apply input signals.

Document #: 38-05684 Rev. *D Page 7 of 10

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