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CY7C1474V25-200BGC Datasheet(PDF) 5 Page - Cypress Semiconductor |
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CY7C1474V25-200BGC Datasheet(HTML) 5 Page - Cypress Semiconductor |
5 / 38 page CY7C1470V25 CY7C1472V25 CY7C1474V25 Document Number: 38-05290 Rev. *O Page 5 of 38 Contents Pin Configurations ........................................................... 6 Pin Definitions .................................................................. 9 Functional Overview ...................................................... 10 Single Read Accesses .............................................. 10 Burst Read Accesses ................................................ 10 Single Write Accesses ............................................... 10 Burst Write Accesses ................................................ 11 Sleep Mode ............................................................... 11 Linear Burst Address Table ....................................... 11 Interleaved Burst Address Table ............................... 11 ZZ Mode Electrical Characteristics ............................ 11 Truth Table ...................................................................... 12 Partial Truth Table for Read/Write ................................ 13 Partial Truth Table for Read/Write ................................ 14 Partial Truth Table for Read/Write ................................ 14 IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 15 Disabling the JTAG Feature ...................................... 15 Test Access Port (TAP) ............................................. 15 PERFORMING A TAP RESET .................................. 15 TAP REGISTERS ...................................................... 15 TAP Instruction Set ................................................... 15 TAP Controller State Diagram ....................................... 17 TAP Controller Block Diagram ...................................... 18 TAP Timing ...................................................................... 18 TAP AC Switching Characteristics ............................... 19 2.5 V TAP AC Test Conditions ....................................... 19 2.5 V TAP AC Output Load Equivalent ......................... 19 1.8 V TAP AC Test Conditions ....................................... 19 1.8 V TAP AC Output Load Equivalent ......................... 19 TAP DC Electrical Characteristics and Operating Conditions ..................................................... 20 Identification Register Definitions ................................ 21 Scan Register Sizes ....................................................... 21 Instruction Codes ........................................................... 21 Boundary Scan Exit Order ............................................. 22 Boundary Scan Exit Order ............................................. 23 Maximum Ratings ........................................................... 24 Operating Range ............................................................. 24 Electrical Characteristics ............................................... 24 Capacitance .................................................................... 25 Thermal Resistance ........................................................ 25 AC Test Loads and Waveforms ..................................... 26 Switching Characteristics .............................................. 27 Switching Waveforms .................................................... 28 Ordering Information ...................................................... 30 Ordering Code Definitions ......................................... 30 Package Diagrams .......................................................... 31 Acronyms ........................................................................ 34 Document Conventions ................................................. 34 Units of Measure ....................................................... 34 Document History Page ................................................. 35 Sales, Solutions, and Legal Information ...................... 38 Worldwide Sales and Design Support ....................... 38 Products .................................................................... 38 PSoC Solutions ......................................................... 38 |
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