DON’T Care

CY7C1471V25

CY7C1473V25

CY7C1475V25

Switching Waveforms (continued)

Figure 3 shows ZZ Mode timing waveform.[23, 24]

Figure 3. ZZ Mode Timing

CLK

ISUPPLY

ALL INPUTS (except ZZ)

Outputs (Q)

tZZ

t ZZI

I DDZZ

High-Z

t ZZREC

t RZZI

DESELECT or READ Only

Notes

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

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

Document #: 38-05287 Rev. *I

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Cypress CY7C1471V25, CY7C1473V25, CY7C1475V25 manual DON’T Care

Contents

Selection Guide FeaturesFunctional Description1 133 MHz 100 MHz Unit Logic Block Diagram CY7C1471V25 2M x Logic Block Diagram CY7C1473V25 4M x Logic Block Diagram CY7C1475V25 1M x Pin Configurations Pin Tqfp Pinout CY7C1471V25 CY7C1473V25 CY7C1473V25 4M x ADV/LD Pin Definitions Single Write Accesses Single Read AccessesBurst Read Accesses Functional Overview ZZ 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 Set TAP Timing Bypass Output Times TAP AC Switching CharacteristicsParameter Description Min Max Unit Clock Hold Times 5V TAP AC Test Conditions TAP DC Electrical Characteristics And Operating Conditions8V TAP AC Test Conditions Register Name Bit Size Scan Register SizesIdentification Codes Instruction Code Description Bit # Ball ID Boundary Scan Exit Order 2M xBoundary Scan Exit Order 4M x W10 Boundary Scan Exit Order 1M xP10 V10 Operating Range Electrical CharacteristicsMaximum Ratings AC Test Loads and Waveforms CapacitanceThermal Resistance Parameter Description 133 MHz 100 MHz Unit Min Switching CharacteristicsSetup Times CEN Read Switching WaveformsRite Stall AddressQA2 Stall NOP DON’T Care Ordering Information Package Diagrams Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Ball Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm Issue Orig. Description of Change Date Document History VKN VKN/AESA