MEMORY DATABOOK - Al Kossow's Bitsavers

~OKI semiconductor $~~~-------------------------------------------------------------------------- ~~MSM511000RS1,048,576-WORD x 1-BIT DYNAMIC RAM GENERAL DESCRIPTIONThe MSM511 OOORS is a new generation dynamic RAM organized as 1,048,576 words by 1 bit.The technology used to fabricate the MSM511 OOORS is OKl's silicon gate CMOS process technology.The device operates from a single +5V power supply. Its I/O pins are TTL compatible.FEATURES• Silicon gate, N-well CMOS, 1 -transistormemory cell• 1,048,576 words by 1 bitFamilyMSM511000-1ORSMSM511000-12RSAccess 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 18-pin plastic DIP• Family organizationCycle TimePower Dissipation(MIN) Operating Standby(MAX)(MAX)190 ns 385mW220 ns 330mW11 mW• Fast page mode, read modify write capability• CAS before RAS refresh, CAS before RAShidden refresh, RAS only refresh capability• "Gated" CAS• Built-in VBB generator circuitFUNCTIONAL BLOCK DIAGRAMDOUTMemoryCells1--------- DINVCC vss-- --------~---'-__________---'OnchipVBB217