Cypress CY7C1018DV33 Data Retention Characteristics Over the Operating Range, Switching Waveforms

CY7C1018DV33

Data Retention Characteristics (Over the Operating Range)

Parameter	Description	Conditions			Min.		Max.	Unit
VDR	VCC for Data Retention					2		V
ICCDR	Data Retention Current	VCC = VDR = 2.0V,		> VCC – 0.3V,			3	mA
			CE
		VIN > VCC – 0.3V or VIN < 0.3V
tCDR [3]	Chip Deselect to Data Retention Time					0		ns
t [12]	Operation Recovery Time				t	RC		ns
R

Data Retention Waveform

		DATA RETENTION MODE
VCC	3.0V	VDR > 2V	3.0V
	tCDR		tR
CE

Switching Waveforms

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

tRC

ADDRESS

tAA

tOHA

DATA OUT PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)[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

Notes

12.Full device operation requires linear VCC ramp from VDR to VCC(min.) > 50 ∝s or stable at VCC(min.) > 50 ∝s.

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

14.WE is HIGH for Read cycle.

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

Document #: 38-05465 Rev. *D Page 5 of 9

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