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DESCRIPTION

The M5M5V408B is a family of low voltage 4-Mbit static RAMs organized as 524,288-words by 8-bit, fabricated by Mitsubishis high performance 0.25μm CMOS technology.

The M5M5V408B is suitable for memory applications where a simple interfacing , battery operating and battery backup are the important design objectives.

M5M5V408B is packaged in 32-pin plastic SOP, 32-pin plastic TSOP and 32-pin 8mm x 13.4mm STSOP packages. Two types of TSOPs and two types of STSOPs are available, M5M5V408BTP (normal-lead-bend TSOP), M5M5V408BRT (reverse-lead-bend TSOP), M5M5V408BKV (normal-lead-bend STSOP) and M5M5V408BKR (reverse-lead-bend STSOP). These two types TSOPs and two types STSOPs are suitable for a surface mounting on double-sided printed circuit boards.

From the point of operating temperature, the family is divided into three versions; Standard, W-version, and I-version. Those are summarized in the part name table below.

FEATURES

? Single +2.7~+3.6V power supply

? Small stand-by current: 0.3μA(3V,typ.)

? No clocks, No refresh

? Data retention supply voltage=2.0V to 3.6V

? All inputs and outputs are TTL compatible.

? Easy memory expansion by S

? Common Data I/O

? Three-state outputs: OR-tie capability

? OE prevents data contention in the I/O bus

? Process technology: 0.25μm CMOS

? Package:

M5M5V408BFP: 32 pin 525 mil SOP

M5M5V408BTP/RT: 32 PIN 400mil TSOP(ll)

M5M5V408BKV/KR: 32 pin 8mm x13.4mm STSOP