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S71PL254JB0-T7 Datasheet(PDF) 5 Page - SPANSION |
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5 / 196 page November 22, 2004 S71PL254/127/064/032J_00_A6 5 Advance I n f o rmatio n Figure 6. Data# Polling Algorithm......................................... 76 RY/BY#: Ready/Busy# .......................................................................................76 DQ6: Toggle Bit I ................................................................................................76 Figure 7. Toggle Bit Algorithm.............................................. 78 DQ2: Toggle Bit II .............................................................................................. 78 Reading Toggle Bits DQ6/DQ2 ..................................................................... 78 DQ5: Exceeded Timing Limits ........................................................................79 DQ3: Sector Erase Timer .................................................................................79 Table 19. Write Operation Status ......................................... 80 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . 81 Figure 8. Maximum Overshoot Waveforms............................. 81 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . .82 Industrial (I) Devices ......................................................................................... 82 Wireless Devices ............................................................................................... 82 Supply Voltages ................................................................................................... 82 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .83 Table 20. CMOS Compatible ................................................ 83 AC Characteristic . . . . . . . . . . . . . . . . . . . . . . . . . .84 Test Conditions .................................................................................................. 84 Figure 9. Test Setups......................................................... 84 Table 21. Test Specifications ............................................... 84 Switching Waveforms ....................................................................................... 85 Table 22. Key to Switching Waveforms ................................. 85 Figure 10. Input Waveforms and Measurement Levels............. 85 VCC RampRate .................................................................................................. 85 Read Operations ................................................................................................ 86 Table 23. Read-Only Operations .......................................... 86 Figure 11. Read Operation Timings....................................... 86 Figure 12. Page Read Operation Timings ............................... 87 Reset ...................................................................................................................... 87 Table 24. Hardware Reset (RESET#) .................................... 87 Figure 13. Reset Timings..................................................... 88 Erase/Program Operations ............................................................................. 89 Table 25. Erase and Program Operations .............................. 89 Timing Diagrams ................................................................................................. 90 Figure 14. Program Operation Timings .................................. 90 Figure 15. Accelerated Program Timing Diagram .................... 90 Figure 16. Chip/Sector Erase Operation Timings..................... 91 Figure 17. Back-to-back Read/Write Cycle Timings ................. 91 Figure 18. Data# Polling Timings (During Embedded Algorithms) ............................................ 92 Figure 19. Toggle Bit Timings (During Embedded Algorithms) .. 92 Figure 20. DQ2 vs. DQ6 ...................................................... 93 Protect/Unprotect . . . . . . . . . . . . . . . . . . . . . . . . 93 Table 26. Temporary Sector Unprotect ................................. 93 Figure 21. Temporary Sector Unprotect Timing Diagram.......... 93 Figure 22. Sector/Sector Block Protect and Unprotect Timing Diagram............................................................................ 94 Controlled Erase Operations ..........................................................................95 Table 27. Alternate CE# Controlled Erase and Program Operations ........................................................... 95 Table 28. Alternate CE# Controlled Write (Erase/Program) Operation Timings ............................................................. 96 Table 29. Erase And Programming Performance .................... 97 BGA Pin Capacitance . . . . . . . . . . . . . . . . . . . . . . 97 Type 2 pSRAM Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Product Information . . . . . . . . . . . . . . . . . . . . . . . 98 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Power Up Sequence . . . . . . . . . . . . . . . . . . . . . . . 99 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 99 Power Up ..............................................................................................................99 Figure 23. Power Up 1 (CS1# Controlled) ............................. 99 Figure 24. Power Up 2 (CS2 Controlled)................................ 99 Functional Description . . . . . . . . . . . . . . . . . . . . . 100 Absolute Maximum Ratings . . . . . . . . . . . . . . . . 100 DC Recommended Operating Conditions . . . . . 100 DC and Operating Characteristics . . . . . . . . . . . 101 Common ...............................................................................................................101 16M pSRAM ..........................................................................................................102 32M pSRAM .........................................................................................................102 64M pSRAM .........................................................................................................103 AC Operating Conditions . . . . . . . . . . . . . . . . . . 103 Test Conditions (Test Load and Test Input/Output Reference) ........103 Figure 25. Output Load .................................................... 103 ACC Characteristics (Ta = -40°C to 85°C, VCC = 2.7 to 3.1 V) ........104 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 105 Read Timings .......................................................................................................105 Figure 26. Timing Waveform of Read Cycle(1)..................... 105 Figure 27. Timing Waveform of Read Cycle(2)..................... 105 Figure 28. Timing Waveform of Read Cycle(2)..................... 105 Write Timings .....................................................................................................106 Figure 29. Write Cycle #1 (WE# Controlled)........................ 106 Figure 30. Write Cycle #2 (CS1# Controlled) ...................... 106 Figure 31. Timing Waveform of Write Cycle(3) (CS2 Controlled) ............................................................. 107 Figure 32. Timing Waveform of Write Cycle(4) (UB#, LB# Controlled) ..................................................................... 107 pSRAM Type 3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Operation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 109 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 109 Table 30. DC Recommended Operating Conditions ............... 109 Table 31. DC Characteristics (TA = -25°C to 85°C, VDD = 2.6 to 3.3V) ............................................................................. 110 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 110 Table 32. AC Characteristics and Operating Conditions (TA = -25°C to 85°C, VDD = 2.6 to 3.3V) .............................................. 110 Table 33. AC Test Conditions ............................................. 111 Figure 33. AC Test Loads .................................................. 111 Figure 34. State Diagram ................................................. 112 Table 34. Standby Mode Characteristics .............................. 112 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 112 Figure 35. Read Cycle 1—Addressed Controlled ................... 112 Figure 36. Read Cycle 2—CS1# Controlled.......................... 113 Figure 37. Write Cycle 1—WE# Controlled .......................... 113 Figure 38. Write Cycle 2—CS1# Controlled ......................... 114 Figure 39. Write Cycle3—UB#, LB# Controlled .................... 114 Figure 40. Deep Power-down Mode .................................... 115 Figure 41. Power-up Mode ................................................ 115 Figure 42. Abnormal Timing.............................................. 115 pSRAM Type 4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Functional Description . . . . . . . . . . . . . . . . . . . . . 116 Product Portfolio ................................................................................................116 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . 117 |
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