Cypress CY7C1440AV33, CY7C1446AV33, CY7C1442AV33 473650, Vkn, AC Switching Characteristics table

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CY7C1440AV33

CY7C1442AV33

CY7C1446AV33

Document Title: CY7C1440AV33/CY7C1442AV33/CY7C1446AV33 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined Sync

SRAM

Document Number: 38-05383

REV.	ECN NO.	Issue Date	Orig. of	Description of Change
REV.	ECN NO.	Issue Date	Change	Description of Change

*E	473650	See ECN	VKN	Added the Maximum Rating for Supply Voltage on VDDQ Relative to GND.
				Changed tTH, tTL from 25 ns to 20 ns and tTDOV from 5 ns to 10 ns in TAP
				AC Switching Characteristics table.
				Updated the Ordering Information table.

Document #: 38-05383 Rev. *E

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Contents 250 MHz 200 MHz 167 MHz Unit FeaturesFunctional Description1 Selection GuideLogic Block Diagram CY7C1442AV33 2M x Logic Block Diagram CY7C1440AV33 1M xCY7C1440AV33 CY7C1442AV33 2M x Pin Configurations Pin Tqfp PinoutCY7C1442AV33 2M x Name Description Pin DefinitionsByte Write Select Inputs, active LOW. Qualified with Ground for the I/O circuitry Power supply inputs to the core of the devicePower supply for the I/O circuitry Ground for the core of the deviceFunctional Overview Linear Burst Address Table Mode = GND Interleaved Burst Address Table Mode = Floating or VDDZZ Mode Electrical Characteristics Function CY7C1440AV33 Truth Table for Read/Write4,8,9Truth Table for Read/Write4, 8 Write Cycle, Suspend BurstTAP Controller Block Diagram TAP Controller State DiagramIeee 1149.1 Serial Boundary Scan Jtag TAP Registers Performing a TAP ResetTAP Instruction Set Bypass TAP Timing5V TAP AC Output Load Equivalent TAP AC Switching Characteristics Over the operating Range103V TAP AC Test Conditions 5V TAP AC Test ConditionsIdentification Codes TAP DC Electrical Characteristics And Operating ConditionsIdentification Register Definitions Scan Register SizesCY7C1440AV33 1M x 36, CY7C1442AV33 2M x Bit # Ball ID Ball Fbga Boundary Scan Order 14,15SAMPLE/PRELOAD BypassCY7C1446AV33 512K x Bit # Ball ID Ball Fbga Boundary Scan Order 14Ambient Range Electrical Characteristics Over the Operating Range17Maximum Ratings Operating RangeThermal Resistance Capacitance19AC Test Loads and Waveforms Set-up Times Switching Characteristics Over the Operating Range 24250 200 167 Parameter Description Unit Min Min MaxRead Cycle Timing26 Switching WaveformsWrite Cycle Timing26 CLZ Read/Write Cycle Timing26, 28DON’T Care ZZ Mode Timing30Ordering Information 250 Pin Tqfp 14 x 20 x 1.4 mm Package DiagramsBall Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm Document History Issue Date Orig. Description of ChangeDocument Number VKN AC Switching Characteristics tableUpdated the Ordering Information table 473650

Document Number: 38-05383

REV.

Issue Date

473650

VKN

AC Switching Characteristics table.

Updated the Ordering Information table.