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型號(hào)： W39V040C

類別： 其他存儲(chǔ)器

描述： Description,The W39V040C is a 4-megabit, 3.3-volt only CMOS flash memory organized as 512K ? 8 bits. For flexible erase capability, the 4Mbits of data are divided into into 16 x 8 Kbytes pages and 6 x 64 Kbytes sectors or 8 x 64 Kbytes sectors. The device can be programmed and erased in-system with a standard 3.3V power supply. A 12-volt VPP is required for accelerated program. The unique cell architecture of the W39V040C results in fast program/erase operations with extremely low current consumption. This device can operate at two modes, Programmer bus interface mode, Low pin count (LPC) bus interface mode. As in the Programmer interface mode, it acts like the traditional flash but with a multiplexed address inputs. But in the LPC interface mode, this device complies with the Intel LPC specification. The device can also be programmed and erased using standard EPROM programmers,Features,Single 3.3-volt operations,Fast Read access time:Tkq 11ns,Endurance: 50K cycles (typ),6 Even sectors with 64K bytes and 16 Even pages with 8K bytes or 8 Even sectors with 64 Kbyte,Hardware protection: 64K byte Top Boot Block with lockout protection/ #TBL & #WP supports the whole chip except Boot Block hardware protection,Automatic program and erase timing with internal VPP operation,twenty-year data retentions,TTL compatible I/O,JEDEC standard byte-wide pinouts

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