Cypress CY7C1480V25, CY7C1486V25, CY7C1482V25 manual ZZ Mode Timing25, DON’T Care

Page 25

CY7C1480V25

CY7C1482V25

CY7C1486V25

Switching Waveforms (continued)

ZZMode Timing[25, 26]

CLK

t ZZ

ZZ

t ZZI

ISUPPLY

I DDZZ

ALL INPUTS (except ZZ)

Outputs (Q)

High-Z

DON’T CARE

t ZZREC

t RZZI

DESELECT or READ Only

Notes

25.Device must be deselected when entering ZZ mode. See “Truth Table” on page 10 for all possible signal conditions to deselect the device.

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

Document #: 38-05282 Rev. *H

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Contents Functional Description1 FeaturesSelection Guide 250 MHz 200 MHz 167 MHz UnitLogic Block Diagram CY7C1482V25 4M x Logic Block Diagram CY7C1480V25 2M xCLR Logic Block Diagram CY7C1486V25 1M xCY7C1480V25 2M x Pin Configurations Pin Tqfp PinoutCY7C1482V25 4M x CY7C1482V25 4M x DQ G DQ G DQ BDQ B DQP G DQP C DQP F DQP B DQ CPin Definitions Single Write Accesses Initiated by Adsp Single Read AccessesFunctional Overview TDILinear Burst Address Table Mode = GND Interleaved Burst Address Table Mode = Floating or VDDZZ Mode Electrical Characteristics Operation Add. Used Truth TableFunction Truth Table for Read/WriteTAP Controller Block Diagram TAP Controller State DiagramIeee 1149.1 Serial Boundary Scan Jtag TAP Instruction Set Instruction RegisterTAP Timing TAP AC Switching Characteristics Over the Operating Range9Parameter Description Min Max Unit Clock Output Times5V TAP AC Test Conditions TAP DC Electrical Characteristics And Operating Conditions8V TAP AC Test Conditions Parameter Description Test Conditions MinIdentification Codes Scan Register SizesBoundary Scan Exit Order 2M x A11 A10 Boundary Scan Exit Order 4M xP10 M10Boundary Scan Exit Order 1M x Maximum Ratings Electrical Characteristics Over the Operating Range12Operating Range Range AmbientThermal Resistance14 Capacitance14AC Test Loads and Waveforms Setup Times Switching Characteristics Over the Operating Range15Parameter Description 250 MHz 200 MHz 167 MHz Unit Min Max Read Cycle Timing21 Switching WaveformsWrite Cycle Timing21 Read/Write Cycle Timing21, 23 DON’T Care ZZ Mode Timing25Ordering Information 250 Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Package DiagramsBall Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm Document History Issue Date Orig. Description of ChangeDocument Number VKN/KKVTMP