Cypress CY7C1350G manual ZZ Mode Timing23, NOP, STALL, and Deselect Cycles19, 20

CY7C1350G

Switching Waveforms (continued)

NOP, STALL, and DESELECT Cycles[19, 20, 22]

1 2 3 4 5 6 7 8 9 10

CLK

CEN

CE

ADV/LD

WE

BW[A:D]

ADDRESS A1 A2 A3 A4 A5

					tCHZ
Data	D(A1)	Q(A2)	Q(A3)	D(A4)	Q(A5)
In-Out (DQ)

WRITE

D(A1)

READ Q(A2)

STALL

READ Q(A3)

WRITE

D(A4)

STALL

NOP

READ Q(A5)

DESELECT

CONTINUE DESELECT

DON’T CARE UNDEFINED

ZZ Mode Timing[23, 24]

CLK

ZZ

ISUPPLY

ALL INPUTS (except ZZ)

Outputs (Q)

tZZ

t ZZI

I DDZZ

High-Z

DON’T CARE

t ZZREC

t RZZI

DESELECT or READ Only

Notes:

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

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

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

Document #: 38-05524 Rev. *F Page 11 of 15

[+] Feedback