Cypress CY7C1352G manual NOP, STALL, and Deselect Cycles18, 19, Stall, ZZ Mode Timing22, NOP Read

CY7C1352G

Switching Waveforms (continued)

NOP, STALL, and DESELECT Cycles[18, 19, 21]

1 2 3 4 5 6 7 8 9 10

CLK

CEN

CE

ADV/LD

WE

BW[A:B]

ADDRESS	A1	A2		A3	A4
Data				D(A1)	Q(A2)	Q(A3)
In-Out (DQ)
	WRITE	READ	STALL	READ	WRITE	STALL
	D(A1)	Q(A2)		Q(A3)	D(A4)
				DON’T CARE	UNDEFINED

ZZMode Timing[22, 23]

CLK

tZZ

ZZ

tZZI

ISUPPLY

I DDZZ

ALL INPUTS

(except ZZ)

A5

tCHZ

D(A4) Q(A5)

NOP	READ	DESELECT CONTINUE
	Q(A5)	DESELECT

tZZREC

tRZZI

DESELECT or READ Only

Notes:

21.The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrated CEN being used to create a pause. A write is not performed during this cycle.

22.Device must be deselected when entering ZZ mode. See cycle description table for all possible signal conditions to deselect the device.

23.DQs are in high-Z when exiting ZZ sleep mode.

Document #: 38-05514 Rev. *D Page 10 of 12

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