Manuals / Cypress / Computer Equipment / Computer Hardware

Cypress CY7C1471V33, CY7C1475V33, CY7C1473V33 manual DON’T Care

Models: CY7C1475V33 CY7C1471V33 CY7C1473V33

1 32

Download 32 pages 29.63 Kb

Page 26

Image 26

CY7C1471V33

CY7C1473V33

CY7C1475V33

Switching Waveforms (continued)

Figure 3 shows ZZ Mode timing waveform.[24, 25]

Figure 3. ZZ Mode Timing

CLK

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

24.Device must be deselected when entering ZZ mode. See “Truth Table” on page 11 for all possible signal conditions to deselect the device.

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

Document #: 38-05288 Rev. *J

Page 26 of 32

[+] Feedback

Page 26

Image 26

Cypress CY7C1471V33, CY7C1475V33, CY7C1473V33 manual DON’T Care

Contents

Selection Guide FeaturesFunctional Description 133 MHz 117 MHz UnitLogic Block Diagram CY7C1471V33 2M x Logic Block Diagram CY7C1473V33 4M xLogic Block Diagram CY7C1475V33 1M x Pin Configurations Pin Tqfp Pinout CY7C1471V33CY7C1473V33 CY7C1473V33 4M x ADV/LD Pin Definitions Single Write Accesses Single Read AccessesBurst Read Accesses Functional OverviewZZ Mode Electrical Characteristics Interleaved Burst Address Table Mode = Floating or VDDLinear Burst Address Table Mode = GND Used Truth TableAddress Operation Function BW b BW a Truth Table for Read/WriteFunction Ieee 1149.1 Serial Boundary Scan Jtag TAP Controller State DiagramTAP Controller Block Diagram TAP Registers TAP Instruction SetTAP Timing BypassOutput Times TAP AC Switching CharacteristicsParameter Description Min Max Unit Clock Hold Times5V TAP AC Test Conditions TAP DC Electrical Characteristics And Operating Conditions3V TAP AC Test Conditions Parameter Description Test Conditions MinIdentification Codes Identification Register DefinitionsScan Register Sizes Bit # Ball ID Boundary Scan Exit Order 2M xBoundary Scan Exit Order 4M x W10 Boundary Scan Exit Order 1M xP10 V10Operating Range Electrical CharacteristicsMaximum Ratings Range AmbientAC Test Loads and Waveforms CapacitanceThermal Resistance Description 133 MHz 117 MHz Unit Parameter Min Max Switching CharacteristicsSetup Times Read Switching WaveformsRite Stall AddressQA2 Stall NOPDON’T Care Ordering Information Package Diagrams Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mmBall Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm Issue Orig. of Change Description of Change Date Document HistoryVKN VKN/AESA