CY7C1563XV18_12 datasheet(3/29 Pages) CYPRESS

Part #	CY7C1563XV18

Description	72-Mbit QDR짰 II Xtreme SRAM Four-Word Burst Architecture (2.5 Cycle Read Latency)

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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3 / 29 page

CY7C1563XV18, CY7C1565XV18

Document Number: 001-70205 Rev. *B

Page 3 of 29

Contents

Pin Configurations ........................................................... 4

Pin Definitions .................................................................. 5

Functional Overview ........................................................ 7

Read Operations ......................................................... 7

Write Operations ......................................................... 7

Byte Write Operations ................................................. 7

Concurrent Transactions ............................................. 7

Depth Expansion ......................................................... 8

Programmable Impedance .......................................... 8

Echo Clocks ................................................................ 8

Valid Data Indicator (QVLD) ........................................ 8

PLL .............................................................................. 8

Application Example ........................................................ 8

Truth Table ........................................................................ 9

Write Cycle Descriptions ................................................. 9

Write Cycle Descriptions ............................................... 10

IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 11

Disabling the JTAG Feature ...................................... 11

Test Access Port ....................................................... 11

Performing a TAP Reset ........................................... 11

TAP Registers ........................................................... 11

TAP Instruction Set ................................................... 11

TAP Controller State Diagram ....................................... 13

TAP Controller Block Diagram ...................................... 14

TAP Electrical Characteristics ...................................... 14

TAP AC Switching Characteristics ............................... 15

TAP Timing and Test Conditions .................................. 16

Identification Register Definitions ................................ 17

Scan Register Sizes ....................................................... 17

Instruction Codes ........................................................... 17

Boundary Scan Order .................................................... 18

Power Up Sequence in QDR II+ Xtreme SRAM ............ 19

Power Up Sequence ................................................. 19

PLL Constraints ......................................................... 19

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

Operating Range ............................................................. 20

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

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

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

Over the Operating Range ........................................ 20

AC Electrical Characteristics ..................................... 21

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

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

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

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

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

Read/Write/Deselect Sequence ................................ 24

Ordering Information ...................................................... 25

Ordering Code Definitions ......................................... 25

Package Diagram ............................................................ 26

Acronyms ........................................................................ 27

Document Conventions ................................................. 27

Units of Measure ....................................................... 27

Document History Page ................................................. 28

Sales, Solutions, and Legal Information ...................... 29

Worldwide Sales and Design Support ....................... 29

Products .................................................................... 29

PSoC Solutions ......................................................... 29

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