MEMORY DATABOOK - Al Kossow's Bitsavers

OKI setnlconductor .,.~~-------------------------------------------~~~MSM411000RS1,048,576-WORD x 1-BITS DYNAMIC RAMGENERAL DESCRIPTIONThe MSM411 OOORS is a new generation dynamic RAM organized as 1,048,576 words by 1 bit.The technology used to fabricate the MSM411 OOORS is OKI's N channel silicon gate MOS processtechnology. The device operates at a single +5V power supply. Its I/O pins are TTL compatible.FEATURES• Silicon gate, tripple polysilicon NMOS,1-transistor memory cell• 1,048,576 words by 1 bitFamilyMSM411 000-1 ORSMSM411 000-1 2RSAccess Time(MAX)100 ns120 ns• Single +5V supply, ±1 0% tolerance• Input: TTL compatible, address input, datainput latch• Output: TTL compatible, tristate, nonlatch• Refresh: 512 cycles/8 ms• Common I/O capability using "Early Write"operation• Standard 1 8-pin plastic DIP• Family organizationCycle TimePower Dissipation(MIN) Operating Stand By(MAX)(MAX)200 ns 413mW230 ns 385mW28mW• Page mode, read modify write capability• CAS before RAS refresh, CAS before RAShidden refresh, RAS only refresh capability• "Gated" CAS• Built-in VBB generator circuitPIN CONFIGURATION (TOP VIEW)Pin NamesAOtoA9RASCASDINDOUTWEVCCVSSFunctionAddress InpulRow Address StrobeColumn Address StrobeData InputData OutputWrite EnablePower Supply (+5V)Ground (OV)• Refresh Address191