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CY7C1440KV25 Datasheet(PDF) 3 Page - Cypress Semiconductor

Part # CY7C1440KV25
Description  36-Mbit (1M 횞 36) Pipelined Sync SRAM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C1440KV25 Datasheet(HTML) 3 Page - Cypress Semiconductor

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CY7C1440KV25
Document Number: 001-94719 Rev. *D
Page 3 of 30
Contents
Pin Configurations ........................................................... 4
Pin Definitions .................................................................. 5
Functional Overview ........................................................ 6
Single Read Accesses ................................................ 6
Single Write Accesses Initiated by ADSP ................... 6
Single Write Accesses Initiated by ADSC ................... 7
Burst Sequences ......................................................... 7
Sleep Mode ................................................................. 7
Interleaved Burst Address Table ................................. 7
Linear Burst Address Table ......................................... 7
ZZ Mode Electrical Characteristics .............................. 7
Truth Table ........................................................................ 8
Truth Table for Read/Write .............................................. 9
IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 10
Disabling the JTAG Feature ...................................... 10
Test Access Port (TAP) ............................................. 10
PERFORMING A TAP RESET .................................. 10
TAP REGISTERS ...................................................... 10
TAP Instruction Set ................................................... 11
TAP Controller State Diagram ....................................... 12
TAP Controller Block Diagram ...................................... 13
TAP Timing ...................................................................... 13
TAP AC Switching Characteristics ............................... 14
2.5 V TAP AC Test Conditions ....................................... 15
2.5 V TAP AC Output Load Equivalent ......................... 15
TAP DC Electrical Characteristics
and Operating Conditions ............................................. 15
Identification Register Definitions ................................ 16
Scan Register Sizes ....................................................... 16
Instruction Codes ........................................................... 16
Boundary Scan Order .................................................... 17
Maximum Ratings ........................................................... 18
Operating Range ............................................................. 18
Neutron Soft Error Immunity ......................................... 18
Electrical Characteristics ............................................... 18
DC Electrical Characteristics ..................................... 18
Capacitance .................................................................... 19
Thermal Resistance ........................................................ 19
AC Test Loads and Waveforms ..................................... 20
Switching Characteristics .............................................. 21
Switching Waveforms .................................................... 22
Ordering Information ...................................................... 26
Ordering Code Definitions ......................................... 26
Package Diagram ............................................................ 27
Acronyms ........................................................................ 28
Document Conventions ................................................. 28
Units of Measure ....................................................... 28
Document History Page ................................................. 29
Sales, Solutions, and Legal Information ...................... 30
Worldwide Sales and Design Support ....................... 30
Products .................................................................... 30
PSoC®Solutions ....................................................... 30
Cypress Developer Community ................................. 30
Technical Support ..................................................... 30


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