Cypress CY7C1223H manual ZZ Mode Timing 20,21, DON’T Care

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CY7C1223H

Switching Waveforms (continued)

ZZ Mode Timing [20,21]

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:

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

21.DQs are in High-Z when exiting ZZ sleep mode.

Document #: 38-05674 Rev. *B

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Contents 166 MHz 133 MHz Unit FeaturesSelection Guide Cypress Semiconductor CorporationLogic Block Diagram OutputTop View Pin ConfigurationsCY7C1223H Pin Descriptions Burst Sequences Sleep ModeFunctional Overview A1, A0 Adsp Adsc ADV Write CLKParameter Description Test Conditions Min Max Unit ZZ Mode Electrical CharacteristicsFunction Operating Range Electrical Characteristics Over the Operating Range7Maximum Ratings Ambient RangeAC Test Loads and Waveforms Thermal Characteristics9Capacitance9 Switching Characteristics Over the Operating Range 14 Switching Waveforms Read Timing16Write Timing16 UndefinedRead/Write Timing16, 18 Adsp AdscZZ Mode Timing 20,21 DON’T CarePin Tqfp 14 x 20 x 1.4 mm Package DiagramOrdering Information Issue Date Orig. Description of Change Document History