Cypress CY7C1019CV33 manual Switching Waveforms, Read Cycle No OE Controlled 12

CY7C1019CV33

Switching Waveforms

Read Cycle No. 1[11, 12]

tRC

ADDRESS

tAA

tOHA

DATA OUT PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)[12, 13]
ADDRESS
		tRC
CE
	tACE
OE		tHZOE
	tDOE
		tHZCE
	tLZOE		HIGH
DATA OUT	HIGH IMPEDANCE	DATA VALID	IMPEDANCE
	tLZCE	tPD
VCC	tPU		ICC
SUPPLY	50%		50%
CURRENT			ISB

Write Cycle No. 1 (CE Controlled)[14, 15]

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

Notes:

11.Device is continuously selected. OE, CE = VIL.

12.WE is HIGH for read cycle.

13.Address valid prior to or coincident with CE transition LOW.

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

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

Document #: 38-05130 Rev. *F Page 5 of 10

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