Cypress CY7C1357C, CY7C1355C manual ZZ Mode Timing26

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CY7C1355C

CY7C1357C

Switching Waveforms (continued)

ZZMode Timing[26, 27]

CLK

tZZ

tZZI

ISUPPLY

I DDZZ

ALL INPUTS (except ZZ)

Outputs (Q)

High-Z

DON’T CARE

tZZREC

tRZZI

DESELECT or READ Only

Notes:

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

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

Document #: 38-05539 Rev. *E

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Contents 133 MHz 100 MHz Unit FeaturesFunctional Description1 Selection GuideLogic Block Diagram CY7C1357C 512K x Logic Block Diagram CY7C1355C 256K xCY7C1355C Pin Configurations Pin Tqfp PinoutCY7C1357C Pin Configurations Ball BGA Pinout 3 Chip Enables with Jtag CE2 Pin Configurations Ball Fbga Pinout 3 Chip enable with JtagCE2 CLK Name Description Power supply inputs to the core of the devicePower supply for the I/O circuitry Pin DefinitionsFunctional Overview Single Read AccessesBurst Read Accesses Single Write AccessesZZ Mode Electrical Characteristics Interleaved Burst Address Table Mode = Floating or VDDLinear Burst Address Table Mode = GND Function CY7C1355C Sleep ModePartial Truth Table for Read/Write2, 3 Truth Table for Read/Write2, 3,9Ieee 1149.1 Serial Boundary Scan Jtag TAP Controller Block DiagramTAP Controller State Diagram TAP Instruction Set Bypass RegisterSet-up Times TAP TimingParameter Description Min Max Unit Clock Output TimesIdentification Register Definitions 3V TAP AC Test Conditions5V TAP AC Test Conditions 5V TAP AC Output Load EquivalentInstruction Code Description Scan Register SizesIdentification Codes Register Name Bit SizeName CY7C1355C 256K x Bit# Ball ID SignalCY7C1357C 512K x Bit# Ball Id Signal Name Ball BGA Boundary Scan OrderBWD CY7C1355C 256K x Bit# Ball ID Signal NameBall Fbga Boundary Scan Order Ambient Range Electrical Characteristics Over the Operating Range13Maximum Ratings Operating Range3V I/O Test Load Capacitance15Thermal Resistance15 AC Test Loads and Waveforms100 Parameter Description Unit Min Max Switching Characteristics Over the Operating Range 16Write Switching WaveformsCommand Read/Write Waveforms22, 23QA4+1 DA5 QA6 DA7 NOP, Stall and Deselect Cycles22, 23ZZ Mode Timing26 Ordering Information Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Package Diagrams90±0.05 Ball BGA 14 x 22 x 2.4 mmSoldernotespad Type NON-SOLDER Mask Defined Nsmd Document History Issue Date Orig. Description of Change