CY7C1440KV33 datasheet(4/33 Pages) CYPRESS

Part #	CY7C1440KV33

Description	36-Mbit (1M 횞 36/2M 횞 18) Pipelined Sync SRAM (With ECC)

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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4 / 33 page

CY7C1440KV33

CY7C1442KV33

CY7C1440KVE33

Document Number: 001-66676 Rev. *G

Page 4 of 33

Contents

Pin Configurations ........................................................... 5

Pin Definitions .................................................................. 7

Functional Overview ........................................................ 8

Single Read Accesses ................................................ 8

Single Write Accesses Initiated by ADSP ................... 8

Single Write Accesses Initiated by ADSC ................... 9

Burst Sequences ......................................................... 9

Sleep Mode ................................................................. 9

On-Chip ECC .............................................................. 9

Interleaved Burst Address Table ............................... 10

Linear Burst Address Table ....................................... 10

ZZ Mode Electrical Characteristics ............................ 10

Truth Table ...................................................................... 11

Partial Truth Table for Read/Write ................................ 12

IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 13

Disabling the JTAG Feature ...................................... 13

Test Access Port (TAP) ............................................. 13

PERFORMING A TAP RESET .................................. 13

TAP REGISTERS ...................................................... 13

TAP Instruction Set ................................................... 14

TAP Controller State Diagram ....................................... 15

TAP Controller Block Diagram ...................................... 15

TAP Timing ...................................................................... 15

TAP AC Switching Characteristics ............................... 16

3.3 V TAP AC Test Conditions ....................................... 16

3.3 V TAP AC Output Load Equivalent ......................... 16

2.5 V TAP AC Test Conditions ....................................... 16

2.5 V TAP AC Output Load Equivalent ......................... 16

TAP DC Electrical Characteristics

and Operating Conditions ............................................. 17

Identification Register Definitions ................................ 18

Scan Register Sizes ....................................................... 18

Identification Codes ....................................................... 18

Boundary Scan Order .................................................... 19

Maximum Ratings ........................................................... 20

Neutron Soft Error Immunity ......................................... 20

Electrical Characteristics ............................................... 20

Capacitance .................................................................... 22

Thermal Resistance ........................................................ 22

AC Test Loads and Waveforms ..................................... 22

Switching Characteristics .............................................. 23

Switching Waveforms .................................................... 24

Ordering Information ...................................................... 28

Ordering Code Definitions ......................................... 28

Package Diagrams .......................................................... 29

Acronyms ........................................................................ 31

Document Conventions ................................................. 31

Units of Measure ....................................................... 31

Document History Page ................................................. 32

Sales, Solutions, and Legal Information ...................... 33

Worldwide Sales and Design Support ....................... 33

Products .................................................................... 33

PSoC®Solutions ....................................................... 33

Cypress Developer Community ................................. 33

Technical Support ..................................................... 33

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CY7C1440KV33 Datasheet(PDF) 4 Page - Cypress Semiconductor

CY7C1440KV33 Datasheet(HTML) 4 Page - Cypress Semiconductor

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