MEMORY DATABOOK - Al Kossow's Bitsavers

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OKI semiconductorMSM41464RS65,536-WORD x 4-BITS DYNAMIC RANDOM ACCESS MEMORYGENERAL DESCRIPTIONThe Oki MSM41464 is a fully decoded, dynamic NMOS random access memory organized as65,536 words by 4 bits. The design is optimized for high-speed, high performance applications suchas mainframe memory, buffer memory, peripheral storage and environments where low power dissipationand compact layout is required.Multiplexed row and column address inputs permit the MSM41464 to be housed in a standard 18pin DIP. Pin-outs conform to the JEDEC approved pin out. Additionally, the MSM41464 offers newfunctional enhancements that make it more versatile than previous dynamic RAMs. "CASbefore-RAS"refresh provides an on-chip refresh capability.The MSM41464 is fabricated using silicon gate NMOS and Oki's advanced VLSI Polysiliconprocess. This process, coupled with single-transistor memory storage cells, permits maximum circuitdensity and minimum chip size. Dynamic circuitry is employed in the design, including the senseamplifiers.Clock timing requirements are noncritical, and power supply tolerance is very wide. All inputs andoutput are TTL compatible.FEATURES• 65,536 x 4 RAM, 18 pin package• Silicon-gate, Double Poly NMOS, singletransistor cell• Row access time:100 ns max (MSM41464-1 DRS)120 ns max (MSM41464-12RS)150 ns max (MSM41464-15RS)• Cycle time:200 ns min (MSM41464-1 DRS)230 ns min (MSM41464-12RS)260 ns min (MSM41464-15RS)• Low power:385 mW active, 28 mW max standby• Single +5V Supply, ± 10% tolerance• All inputs TTL compatible, low capacitive load• Three-state TTL compatible output• "Gated" CAS• 256 refresh cycles/4 ms• Output impedance controllable through earlywrite and OE operations• Output unlatched at cycle end allowsextended page boundary andtwo-dimensional chip select• Read-Modify-Write, RAS-only refresh,capability• On-chip latches for Addresses and Data-in• On-chip substrate bias generator for highperformance• CAS-before-RAS refresh capability• "Page Mode" capabilityPIN CONFIGURATION (TOP VIEW)OEDQ1DO,VSSDO,CASPin NamesAo-A,RASFUnctionAddress InputsRow Address StrobeWE D03 CAS Column Address StrobeRAS Ao DO,-DO, Data In/Data OutA, OE Output EnableA5 A,-WE Write EnableA, A3VCC Power Supply (+5V)VCC A-VSSGround (DV)163
• DYNAMIC RAM· MSM41464RS •• ------------------FUNCTIONAL BLOCK DIAGRAM~~~ -----~r.--- I'-______ ...JL--J OnchipVSBELECTRICAL CHARACTERISTICSABSOLUTE MAXIMUM RATINGS (See Note)RatingSymbolValueUnitVoltage on any pin relative to VSSVoltage on Vee supply relative to VSSOperating temperatureStorage temperaturePower disSipationShort circuit output currentVIN. VOUTVeeToprTstgPD-1 to +7 V-1 to +7 Vo to 70 °e-55 to +150 °e1.0 W50 mANote: Parmanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.Functional operation should be restricted to the conditions as detailed in the operational sectionsof this data sheet. Exposure to absolute maximum rating conditions for extended periodsmay affect device reliability.164
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MEMORYDATABOOK1986
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CONTENTSo IC MEMORY LINE-UP AND TYP
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MSM28201 AASMSM53256RSMSK531000RS
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IC MEMORY LINE-UP AND TYPICALCHARAC
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---------.IC MEMORY LINE-UP AND TYP
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---------I.IC MEMORY LINE-UP AND TY
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----------_IC MEMORY LINE-UP AND TY
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PACKAGINGPACKAGESNo. RS GS JS US YS
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------------------.PACKAGING ••
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oIIIRELIABILITY INFORMATION .......
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I\JOl~rt-ProcessmentAcceptanceof or
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• RELIABILITY INFORMATION ••
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• RELIABILITY INFORMATION ••
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• RELIABILITY INFORMATION .'-----
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D MOS MEMORY HANDLING PRECAUTIONS .
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D EPROM WRITING AND ERASURE .......
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• EPROM WRITING AND ERASURE •
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MASK ROM CUSTOMER PROGRAMSPECIFICAT
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DD MASK ROM DEVELOPMENT FLOWCHART..
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D TERMINOLOGY AND SYMBOLS .........
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.TERMINOLOGYANDSyMBOLS.------------
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• TERMINOLOGY AND SYMBOLS ... ---
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_TERMINOLOGY AND SYMBOLS _._-------
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MOSDYNAMICRAMS
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----------------.... DYNAMIC RAM·
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----------------__ DYNAMIC RAM· MS
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________________... DYNAMIC RAM . M
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_________________ • DYNAMIC RAM·
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--------------------11. DYNAMIC RAM
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----------------... DYNAMIC RAM . M
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----------------__• DYNAMIC RAM'
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• DYNAMIC RAM . MSM3764AS/RS .1--
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• DYNAMIC RAM· MSM3764AS/RS •
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OKI semiconductorMSM3764 AAS/RS65,5
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• DYNAMIC RAM· MSM3764AAS/RS •
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• DYNAMIC RAM· MSM3764AAS/RS .--
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• DYNAMIC RAM· MSM3764AAS/RS .--
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OKI semiconductorMSM41256AS/RS26214
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• DYNAMIC RAM' MSM411 001 RS •
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• DYNAMIC RAM· MSM411 001 RS .1-
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OKI semiconductor ~----------------
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O __ K __ I __ seMSM514257RS__ rn_I
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• DYNAMIC RAM· MSM37S64ARS/37S64
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_ DYNAMIC RAM· MSM37S64ARS/37S64RS
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_O_K __ I __se_rn_I_C_O_nc:I_U_c_.o
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• DYNAMIC RAM· MSC2301 YS9/KS9 .
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_ DYNAMIC RAM· MSC2301 YS9/KS9 ---
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• DYNAMIC RAM· MSC2301 YS9/KS9
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• DYNAMIC RAM· MSC2304YSS/KSS .1
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.DYNAMICRAM·MSC2304YSS/KSS.-------
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• DYNAMIC RAM· MSC2304YSS/KSS .1
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_______________.... DYNAMIC RAM· M
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---------------..... DYNAMIC RAM·
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----------------1. DYNAMIC RAM· MS
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----------------. DYNAMIC RAM· MSC
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---------------1. DYNAMIC RAM· MSC
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------------------------------___ O
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-----------------11. DYNAMIC RAM·
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MOSSTATICRAMS
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------------------1. STATIC RAM ·M
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OKI semiconductorMSM2128RS2 KW x 8
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-------------------11. STATIC RAM
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_______.,..--__________-11. STATIC
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-------------------. STATIC RAM 'MS
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OKI semiconductorMSM5128 - 20GSK204
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-----------------. STATIC RAM· MSM
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-----------------. STATIC RAM· MSM
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OKI semiconductorMSM5126RS2048-WORD
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-------------------. STATIC RAM 'MS
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-------------------. STATIC RAM ·M
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------------------. STATIC RAM· MS
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-----------------11. STATIC RAM· M
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-----------------1. STATIC RAM· MS
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-----------------1. STATIC RAM· MS
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-----------------... STATIC RAM ·M
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o __ K__ I __MSM5188USse_rn_IC_O_nc
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--------------------11. STATIC RAM
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___________________ • STATIC RAM
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-----------------. STATIC RAM' MSM5
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-----------------. STATIC RAM ·MSM
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-----------------. STATIC RAM' MSM5
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----------------1. STATIC RAM· MSM
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-----------------I.STATICRAM·MSM51
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----------------... STATIC RAM· MS
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MOSMASKROMS
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------------------___ • MASK ROM
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-----------------__._ MASK ROM ·MS
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------------------.... MASK ROM . M
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-----------------_____ MASK ROM· M
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-----------------____ MASK ROM . MS
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OKI semiconductorMSM28201AAS1M BIT
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-----------------____ MASK ROM . MS
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OKI semiconductorMSM2764AS8192 x 8
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.EPROM·MSM2764AS •• ----------
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.EPROM·MSM2764AS.I----------------
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OKI semiconductorMSM27128AS16384 x
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.EPROM·MSM27128AS •• ---------
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.EPROM·MSM27128AS •• ---------
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.EPROM·MSM27256AS •• ---------
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.EPROM·MSM27256AS •• ---------
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.EPROM·MSM27512AS •• ---------
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.EPROM·MSM27512AS.--------~-------
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.EPROM·MSM271000AS •.-----------
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.EPROM·MSM271000AS •• --------
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.EPROM·MSM271024AS.---------------
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.EPROM·MSM271024AS.I--------------
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.EPROM·MSM271024AS •• --------
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.EPROM·MSM27C64AS •• ---------
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_EPROM·MSM27C64AS ___ ------------
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_EPROM·MSM27C64AS_._--------------
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.EPROM·MSM27C128AS .--------------
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.EPROM·MSM27C128AS.I--------------
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.EPROM·MSM27C128AS •• --------
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_EPROM·MSM27C1024AS ___ ----------
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.EPROM·MSM27C1024AS.--------------
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_EPROM·MSM27C1024AS-.-------------
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OKI semiconductorMSM2816ARS2K x 8 B
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.EEPROM·MSM2816ARS.I--------------
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.EEPROM·MSM2816ARS.---------------
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·EEPROM·MSM2816ARS.I-------------
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IIi) CROSS REFERENCE LIST1. DYNAMIC
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....Co)I\JStructureTotalBit§ori_\
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~c.J~NMOSTotalBit1M§StructureOr- N
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.l>e,)Ol§2. STATIC RAMStruc- Total
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.....U)(Xl3. MASK ROM§Or- NumtureB
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~~oNMOSTotaLBit256k512k§StructureO
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m APPLICATIONS64K BIT DYNAMIC RAM A
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• APPLICATIONS •• -----------
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_APPLICATIONS __ -------------_____
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CMOS RAM BATTERY BACK-UPA practical
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MASK ROM KANJI GENERATION MEMORYDES
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_APPLICATIONS _a_------____________
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• APPLICATIONS ... --------------
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