Cypress NoBL CY7C1370DV25 User Manual download pdf (Page 21)

CY7C1370DV25

CY7C1372DV25

Document #: 38-05558 Rev. *D Page 21 of 27

Notes:

27. 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

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

29. I/Os are in High-Z when exiting ZZ sleep mode.

NOP,STALL and DESELECT Cycles

[24, 25, 27]

ZZ Mode Timing

[28, 29]

Switching Waveforms (continued)

READ

Q(A3)

45678910

CLK

CEN

BWx

ADV/LD

ADDRESS

A3 A4

D(A4)

Data

In-Out (DQ)

Q(A5)

WRITE

D(A4)

STALLWRITE

D(A1)

123

READ

Q(A2)

STALL NOP READ

Q(A5)

DESELECT CONTINUE

DESELECT

DON’T CARE UNDEFINED

CHZ

D(A1) Q(A2) Q(A3)

SUPPLY

CLK

ZZREC

LL INPUTS

(except ZZ)

DON’T CARE

DDZZ

ZZI

RZZI

Outputs (Q)

High-Z

DESELECT or READ Only

[+] Feedback

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27

CY7C1370DV25 1
CY7C1372DV25 1
[+] Feedback 10
13. Bit# 85 is pre-set HIGH 15
14. Bit# 89 is pre-set HIGH 16

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Cypress NoBL CY7C1370DV25 User Manual Page 21

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