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S29JL064H70BFI000 Datasheet(PDF) 2 Page - SPANSION |
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S29JL064H70BFI000 Datasheet(HTML) 2 Page - SPANSION |
2 / 64 page 2S29JL064H S29JL064HA1 March 26, 2004 Pr el i m i n ary General Description The S29JL064H is a 64 megabit, 3.0 volt-only flash memory device, organized as 4,194,304 words of 16 bits each or 8,388,608 bytes of 8 bits each. Word mode data appears on DQ15–DQ0; byte mode data appears on DQ7–DQ0. The device is designed to be programmed in-system with the standard 3.0 volt VCC supply, and can also be programmed in standard EPROM programmers. The device is available with an access time of 55, 60, 70, or 90 ns and is offered in 48-pin TSOP and 63-ball Fine Pitch BGA packages. Standard control pins—chip enable (CE#), write enable (WE#), and output enable (OE#)—control normal read and write operations, and avoid bus contention issues. The device requires only a single 3.0 volt power supply for both read and write functions. Internally generated and regulated voltages are provided for the pro- gram and erase operations. Simultaneous Read/Write Operations with Zero Latency The Simultaneous Read/Write architecture provides simultaneous operation by dividing the memory space into four banks, two 8 Mb banks with small and large sectors, and two 24 Mb banks of large sectors. Sector addresses are fixed, system software can be used to form user-defined bank groups. During an Erase/Program operation, any of the three non-busy banks may be read from. Note that only two banks can operate simultaneously. The device can improve overall system performance by allowing a host system to program or erase in one bank, then immediately and simultaneously read from the other bank, with zero latency. This releases the system from waiting for the completion of program or erase operations. The S29JL064H can be organized as both a top and bottom boot sector configuration. S29JL064H Features The SecSi™ (Secured Silicon) Sector is an extra 256 byte sector capable of being permanently locked by FASL or customers. The SecSi Customer Indicator Bit (DQ6) is permanently set to 1 if the part has been customer locked, perma- nently set to 0 if the part has been factory locked, and is 0 if customer lockable. This way, customer lockable parts can never be used to replace a factory locked part. Factory locked parts provide several options. The SecSi Sector may store a se- cure, random 16 byte ESN (Electronic Serial Number), customer code (programmed through Spansion programming services), or both. Customer Lock- able parts may utilize the SecSi Sector as bonus space, reading and writing like any other flash sector, or may permanently lock their own code there. Bank Megabits Sector Sizes Bank 1 8 Mb Eight 8 Kbyte/4 Kword, Fifteen 64 Kbyte/32 Kword Bank 2 24 Mb Forty-eight 64 Kbyte/32 Kword Bank 3 24 Mb Forty-eight 64 Kbyte/32 Kword Bank 4 8 Mb Eight 8 Kbyte/4 Kword, Fifteen 64 Kbyte/32 Kword |
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