Cypress CY7C1332AV25 manual READ/WRITE/DESELECT Sequence CE Controlled, Originally Deselected

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CY7C1330AV25

PRELIMINARYCY7C1332AV25

Switching Waveforms (continued)

READ/WRITE/DESELECT Sequence (CE Controlled)

READ

DESELECT

WRITE

 

 

 

 

 

 

 

 

 

 

CLK

 

 

 

t

CES

tCEH

tCH

 

 

 

CE

 

 

 

READ

Deselect

WRITE

READ

DESELECT

WRITE

WRITE

DESELECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tCL

 

 

 

tCYC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tAS tAH

ADDRESS RA1

WA2 RA3

WA5 RA6

WA7 WA8

WE

 

 

 

tWES tWEH

 

 

 

BWSx

 

 

 

tWES tWEH

 

 

t

tDS

tDH

tDOH

tCLZ

DOH

 

 

Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1

 

 

D2

 

Q3

D5

 

Q6

D7

 

D8

In/Out

 

 

 

 

Out

 

 

In

 

Out

 

In

 

Out

In

In

Device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tCO

 

tCHZ

 

 

 

 

 

 

 

 

 

 

 

 

originally

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

deselected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

= DON’T CARE

= UNDEFINED

 

 

 

 

 

Document No: 001-07844 Rev. *A

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Contents Configuration FeaturesLogic Block Diagram Functional DescriptionMaximum Access Time Maximum Operating Current Pin Configurations Ball BGA 14 x 22 x 2.4 mmSelection Guide UnitName Type Description Pin DefinitionsByte Write Select Inputs, active LOW. Qualified with Serial clock to the Jtag circuit No connectsFunctional Overview Sleep ModeIntroduction Cycle Description Truth , 2, 3, 4 ZZ Mode Electrical CharacteristicsWrite Cycle Descriptions 1 Write Cycle Descriptions1Ieee 1149.1 Serial Boundary Scan Jtag Extest EXIT2-IR UPDATE-DR UPDATE-IR TAP Controller State Diagram6TAP Electrical Characteristics Over the Operating Range7, 8 TAP Controller Block DiagramParameter Description Min Max Unit Set-up TimesIdentification Register Definitions TAP Timing and Test Conditions11Parameter Description Min Output TimesBoundary Scan Order 1 Mbit x Scan Register SizesInstruction Codes Boundary Scan Order 512K x Maximum Ratings Electrical Characteristics Over the Operating RangeOperating Range Ambient RangeThermal Resistance17 Capacitance17AC Test Loads and Waveforms Parameter Description Test Conditions Max UnitClock Switching Characteristics 18, 19, 20250 200 Parameter Description Unit Min Max = DON’T Care = Undefined Switching WaveformsREAD/WRITE/DESELECT Sequence OE Controlled23, 24, 25 Originally Deselected READ/WRITE/DESELECT Sequence CE ControlledBall Pbga 14 x 22 x 2.4 mm Package DiagramOrdering Information New data sheet ECN No Issue Date Orig. Description of ChangeMinor change Moved data sheet to web Document History