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M28W640CT 数据表(PDF) 2 Page - STMicroelectronics |
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M28W640CT 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 54 page ![]() M28W640CT, M28W640CB 2/54 TABLE OF CONTENTS SUMMARY DESCRIPTION ... ...... ....... ...... ....... ...... ....... ...... ...... .....5 Figure 2.LogicDiagram .. ...... ....... ...... ....... ...... ....... ...... ...... .....5 Table 1. Signal Names . . . ...... ....... ...... ....... ...... ....... ...... ...... .....5 Figure 3. TSOP Connections..... ....... ...... ....... ...... ....... ...... ...... .....6 Figure 4. TFBGA Connections (Top view through package) . ...... ....... ...... ...... ..... 7 Figure 5.Block Addresses. ...... ....... ...... ....... ...... ....... ...... ...... ..... 8 Figure 6.SecurityBlock Memory Map..... ...... ....... ...... ....... ...... ...... .....8 SIGNAL DESCRIPTIONS .... ...... ....... ...... ....... ...... ....... ...... ...... .....9 Address Inputs (A0-A21). . ...... ....... ...... ....... ...... ....... ...... ...... .....9 Data Input/Output (DQ0-DQ15). . . ....... ...... ....... ...... ....... ...... ...... .....9 Chip Enable (E). . . ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 Output Enable (G). ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 Write Enable (W). . ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 Write Protect (WP). ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 Reset(RP). ...... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 VDD Supply Voltage (2.7V to 3.6V) ....... ...... ....... ...... ....... ...... ...... .....9 VDDQ Supply Voltage (1.65V to VDD). ..... ...... ....... ...... ....... ...... ...... .....9 VPP Program Supply Voltage .... ....... ...... ....... ...... ....... ...... ...... .....9 VSS Ground. ..... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....9 BUS OPERATIONS... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Read. .... ....... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Write. .... ....... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Output Disable. ... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Standby. . ....... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Automatic Standby. ...... ...... ....... ...... ....... ...... ....... ...... ...... ....10 Reset. ... ....... ...... ...... ....... ...... ....... ...... ....... ...... ... ... .... 10 Read Electronic Signature Command ..... ...... ....... ...... ....... ...... ...... ....11 Table 2.Bus Operations .. ...... ....... ...... ....... ...... ....... ...... ...... ....10 COMMANDINTERFACE .... ...... ....... ...... ....... ...... ....... ...... ...... .... 11 Read Memory Array Command... ....... ...... ....... ...... ....... ...... ...... ....11 Read Status Register Command. . ....... ...... ....... ...... ....... ...... ...... ....11 Read Electronic Signature Command ..... ...... ....... ...... ....... ...... ...... ....11 Read CFIQueryCommand ...... ....... ...... ....... ...... ....... ...... ...... ....11 Block Erase Command ... ...... ....... ...... ....... ...... ....... ...... ...... ....11 Program Command ...... ...... ....... ...... ....... ...... ....... ...... ...... ....11 Double Word Program Command . ....... ...... ....... ...... ....... ...... ...... .... 12 Clear Status Register Command. . ....... ...... ....... ...... ....... ...... ...... ....12 Program/Erase Suspend Command ...... ...... ....... ...... ....... ...... ...... ....12 Program/Erase Resume Command ...... ...... ....... ...... ....... ...... ...... ....12 Protection Register Program Command ... ...... ....... ...... ....... ...... ...... ....13 Block Lock-Down Command ..... ....... ...... ....... ...... ....... ...... ...... ....13 |
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