Cypress CY7C1215H manual Truth Table for Read/Write2, Function, BWE BW D BW C BW B BW a

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CY7C1215H

Truth Table for Read/Write[2, 3]

Function

GW

BWE

BWD

BWC

BWB

BWA

Continue Write

Next

L

H

X

X

X

Suspend Write

Current

L

X

X

X

H

Suspend Write

Current

L

H

X

X

X

ZZ “Sleep”

None

H

X

X

X

X

Read

H

H

X

X

X

X

Read

H

L

H

H

H

H

Write Byte A – DQA

H

L

H

H

H

L

Write Byte B – DQB

H

L

H

H

L

H

Write Bytes B, A

H

L

H

H

L

L

Write Byte C – DQC

H

L

H

L

H

H

Write Bytes C, A

H

L

H

L

H

L

Write Bytes C, B

H

L

H

L

L

H

Write Bytes C, B, A

H

L

H

L

L

L

Write Byte D – DQD

H

L

L

H

H

H

Write Bytes D, A

H

L

L

H

H

L

Write Bytes D, B

H

L

L

H

L

H

Write Bytes D, B, A

H

L

L

H

L

L

Write Bytes D, C

H

L

L

L

H

H

Write Bytes D, C, A

H

L

L

L

H

L

Write Bytes D, C, B

H

L

L

L

L

H

Write All Bytes

H

L

L

L

L

L

Write All Bytes

L

X

X

X

X

X

Document #: 38-05666 Rev. *B

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Contents Functional Description1 FeaturesLogic Block Diagram Cypress Semiconductor CorporationCY7C1215H Pin Configuration Pin TqfpSelection Guide 166 MHz 133 MHz UnitPin Definitions Sleep Mode Functional OverviewBurst Sequences Next Cycle Add. Used Interleaved Burst Address Table Mode = Floating or VDDFirst Second Third Fourth Address A1, A0 Adsp Adsc ADVTruth Table for Read/Write2 FunctionBWE BW D BW C BW B BW a Operating Range Electrical Characteristics Over the Operating Range7Maximum Ratings Ambient RangeCapacitance9 Thermal Resistance9AC Test Loads and Waveforms Switching Characteristics Over the Operating Range 10 Switching Waveforms Read Cycle Timing16Write Cycle Timing16 Read/Write Cycle Timing16, 18 CLZZZ Mode Timing20 DON’T CarePackage Diagram Ordering InformationPin Tqfp 14 x 20 x 1.4 mm Issue Date Orig. Description of Change Document HistoryREV ECN no