CY7C1480BV25-167BZXC datasheet(4/34 Pages) CYPRESS

Part #	CY7C1480BV25-167BZXC

Description	72-Mbit (2 M x 36/4 M x 18/1 M x 72) Pipelined Sync SRAM

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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4 / 34 page

CY7C1480BV25

CY7C1482BV25, CY7C1486BV25

Document Number: 001-15143 Rev. *H

Page 4 of 34

Contents

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

Pin Definitions .................................................................. 8

Functional Overview ........................................................ 9

Single Read Accesses ................................................ 9

Single Write Accesses Initiated by ADSP ................... 9

Single Write Accesses Initiated by ADSC ................. 10

Burst Sequences ....................................................... 10

Sleep Mode ............................................................... 10

Interleaved Burst Address Table

(MODE = Floating or VDD) ..............................................10

Linear Burst Address Table

(MODE = GND) ................................................................ 10

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

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

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

Truth Table for Read/Write ............................................ 13

IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 14

Disabling the JTAG Feature ...................................... 14

TAP Controller State Diagram ....................................... 14

Test Access Port (TAP) ............................................. 14

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

PERFORMING A TAP RESET .................................. 14

TAP REGISTERS ...................................................... 14

TAP Instruction Set ................................................... 15

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

2.5 V TAP AC Test Conditions ....................................... 17

2.5 V TAP AC Output Load Equivalent ......................... 17

TAP DC Electrical Characteristics and

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

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

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

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

Boundary Scan Exit Order (2 M × 36) ........................... 19

Boundary Scan Exit Order (4 M × 18) ........................... 19

Boundary Scan Exit Order (1 M × 72) ........................... 20

Maximum Ratings ........................................................... 21

Operating Range ............................................................. 21

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

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

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

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

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

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

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

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

Acronyms ........................................................................ 32

Document Conventions ................................................. 32

Units of Measure ....................................................... 32

Document History Page ................................................. 33

Sales, Solutions, and Legal Information ...................... 34

Worldwide Sales and Design Support ....................... 34

Products .................................................................... 34

PSoC Solutions ......................................................... 34

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