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RD38F0040W0YTQ0 Datasheet(PDF) 3 Page - Numonyx B.V |
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RD38F0040W0YTQ0 Datasheet(HTML) 3 Page - Numonyx B.V |
3 / 46 page November 2007 Datasheet Order Number: 251407-13 3 32WQ and 64WQ Family with Asynchronous RAM Contents 1.0 Introduction .............................................................................................................. 6 1.1 Nomenclature ..................................................................................................... 6 1.2 Conventions ....................................................................................................... 7 2.0 Functional Overview ..................................................................................................8 2.1 Block Diagram .................................................................................................... 8 2.2 Flash Memory Map and Partitioning........................................................................ 9 3.0 Package Information ............................................................................................... 10 4.0 Ballout and Signal Description ................................................................................. 13 4.1 Signal Ballout ................................................................................................... 13 4.2 Signal Descriptions ............................................................................................ 14 5.0 Maximum Ratings and Operating Conditions............................................................ 16 5.1 Absolute Maximum Ratings................................................................................. 16 5.2 Operating Conditions ......................................................................................... 16 5.3 Capacitance...................................................................................................... 17 6.0 Electrical Specifications........................................................................................... 18 6.1 DC Characteristics ............................................................................................. 18 7.0 AC Characteristics ................................................................................................... 20 7.1 Flash AC Characteristics ..................................................................................... 20 7.2 SRAM AC Characteristics .................................................................................... 20 7.3 PSRAM AC Characteristics................................................................................... 22 7.4 Device AC Test Conditions .................................................................................. 27 8.0 Flash Power Consumption ....................................................................................... 28 9.0 Device Operation ..................................................................................................... 29 9.1 Bus Operations ................................................................................................. 29 10.0 Flash Command Definitions ..................................................................................... 33 11.0 Flash Read Operations............................................................................................. 33 12.0 Flash Program Operations ....................................................................................... 33 13.0 Flash Erase Operations ............................................................................................ 33 14.0 Flash Security Modes ............................................................................................... 33 15.0 Flash Read Configuration Register........................................................................... 33 16.0 SRAM Operations..................................................................................................... 34 16.1 Power-up Sequence and Initialization................................................................... 34 16.2 Data Retention Mode ......................................................................................... 34 17.0 PSRAM Operations................................................................................................... 36 17.1 Power-Up Sequence and Initialization................................................................... 36 17.1.1 16Mbit PSRAM Power-Up Sequence (Non-Page Mode).................................. 36 17.2 Standby Mode/ Deep Power-Down Mode............................................................... 37 17.3 PSRAM Special Read and Write Constraints ........................................................... 37 A Write State Machine ................................................................................................ 38 B Common Flash Interface.......................................................................................... 38 C Flash Flowcharts ..................................................................................................... 38 D Additional Information ............................................................................................ 38 |
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