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CY7C1444AV33 Datasheet(PDF) 3 Page - Cypress Semiconductor |
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CY7C1444AV33 Datasheet(HTML) 3 Page - Cypress Semiconductor |
3 / 28 page CY7C1444AV33 CY7C1445AV33 Document Number: 38-05352 Rev. *G Page 3 of 28 Contents Selection Guide ................................................................ 4 Pin Configurations ........................................................... 4 Pin Definitions .................................................................. 6 Functional Overview ........................................................ 7 Single Read Accesses ................................................ 7 Single Write Accesses Initiated by ADSP ................... 7 Single Write Accesses Initiated by ADSC ................... 7 Burst Sequences ......................................................... 8 Sleep Mode ................................................................. 8 Interleaved Burst Address Table (MODE = Floating or VDD) ................................................8 Linear Burst Address Table (MODE = GND) .................. 8 ZZ Mode Electrical Characteristics ................................. 8 Truth Table ........................................................................ 9 Partial Truth Table for Read/Write ................................ 10 IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 11 Disabling the JTAG Feature ...................................... 11 TAP Controller State Diagram ....................................... 11 Test Access Port (TAP) ............................................. 11 TAP Controller Block Diagram ...................................... 11 PERFORMING A TAP RESET .................................. 11 TAP REGISTERS ...................................................... 11 TAP Instruction Set ................................................... 12 TAP Timing ...................................................................... 13 TAP AC Switching Characteristics ............................... 13 3.3 V TAP AC Test Conditions ....................................... 14 3.3 V TAP AC Output Load Equivalent ......................... 14 2.5 V TAP AC Test Conditions ....................................... 14 2.5 V TAP AC Output Load Equivalent ........................ 14 TAP DC Electrical Characteristics And Operating Conditions ............................................. 14 Identification Register Definitions ................................ 15 Scan Register Sizes ....................................................... 15 Identification Codes ....................................................... 15 165-ball FBGA Boundary Scan Order ........................... 16 Maximum Ratings ........................................................... 17 Operating Range ............................................................. 17 Electrical Characteristics ............................................... 17 Capacitance .................................................................... 18 Thermal Resistance ........................................................ 18 AC Test Loads and Waveforms ..................................... 18 Switching Characteristics .............................................. 19 Switching Waveforms .................................................... 20 Read Cycle Timing .................................................... 20 Write Cycle Timing .................................................... 21 Read/Write Cycle Timing ........................................... 22 ZZ Mode Timing ........................................................ 23 Ordering Information ...................................................... 24 Ordering Code Definitions ......................................... 24 Package Diagram .......................................................... 25 Acronyms ........................................................................ 26 Document Conventions ................................................. 26 Units of Measure ....................................................... 26 Document History Page ................................................. 27 Sales, Solutions, and Legal Information ...................... 28 Worldwide Sales and Design Support ....................... 28 Products .................................................................... 28 PSoC Solutions ......................................................... 28 [+] Feedback |
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