Cypress CY7C1024DV33 manual Switching Waveforms, Read Cycle No. 1 Address Transition Controlled 13

CY7C1024DV33

Switching Waveforms

Figure 3. Read Cycle No. 1 (Address Transition Controlled) [13, 14]

tRC

ADDRESS

tAA

tOHA

DATA OUT PREVIOUS DATA VALID DATA VALID

	Figure 4. Read Cycle No. 2 (OE Controlled) [3, 14, 15]
ADDRESS
CE		tRC
	tACE
OE
	tDOE		tHZOE
			tHZCE
	tLZOE			HIGH
DATA OUT	HIGH IMPEDANCE	DATA VALID		IMPEDANCE
	tLZCE		tPD
VCC	tPU			ICC
SUPPLY	50%			50%
CURRENT				ISB
	Figure 5. Write Cycle No. 1 (CE Controlled) [3, 16, 17]
		tWC
ADDRESS
		tSCE
CE
	tSA
	tAW	tSCE	tHA
		tPWE
WE
		tSD	tHD
DATA I/O		DATA VALID

Notes

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

14.WE is HIGH for read cycle.

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

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

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

Document Number: 001-08353 Rev. *C Page 6 of 9

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