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M28W320CB90ZB6T Datasheet(PDF) 1 Page - STMicroelectronics |
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M28W320CB90ZB6T Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 42 page 1/42 PRELIMINARY DATA May 2000 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. M28W320CT M28W320CB 32 Mbit (2Mb x16, Boot Block) Low Voltage Flash Memory s SUPPLY VOLTAGE –VDD = 2.7V to 3.6V: for Program, Erase and Read –VDDQ = 1.65V or 2.7V: Input/Output option –VPP = 12V: optional Supply Voltage for fast Program s ACCESS TIME – 2.7V to 3.6V: 90ns – 2.7V to 3.6V: 100ns s PROGRAMMING TIME: –10 µs typical – Double Word Programming Option s PROGRAM/ERASE CONTROLLER (P/E.C.) s COMMON FLASH INTERFACE s MEMORY BLOCKS – Parameter Blocks (Top or Bottom location) – Main Blocks s BLOCK PROTECTION UNPROTECTION – All Blocks protected at Power Up – Any combination of blocks can be protected – WP for block locking s SECURITY – 64-bit user Programmable OTP cells – 64-bit unique device identifier – One Parameter Block Permanently Lockable s AUTOMATIC STAND-BY MODE s PROGRAM and ERASE SUSPEND s 100,000 PROGRAM/ERASE CYCLES per BLOCK s 20 YEARS of DATA RETENTION – Defectivity below 1ppm/year s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Top Device Code, M28W320CT: 88BAh – Bottom Device Code, M28W320CB: 88BBh Figure 1. Logic Diagram AI03521 21 A0-A20 W DQ0-DQ15 VDD M28W320CT M28W320CB E VSS 16 G RP WP VDDQ VPP TSOP48 (N) 12 x 20mm µBGA47 (GB) 8 x 6 solder balls µBGA |
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