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51W17800 Datasheet

Download or read online Hitachi Semiconductor 51W17800 2,097,152-word × 8-bit Dynamic Ram pdf datasheet.



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HM51W17800 Series
2,097,152-word 8-bit Dynamic RAM
Description
The Hitachi HM51W17800 is a CMOS dynamic RAM organized 2,097,152-word
most advanced CMOS technology for high performance and low power. The HM51W17800 offers Fast Page
Mode as a high speed access mode. Multiplexed address input permits the HM51W17800 to be packaged in
standard 28-pin plastic SOJ and 28-pin TSOP.
Features
Single 3.3 V ( 0.3 V)
Access time: 50 ns/60 ns/70 ns (max)
Power dissipation
Active mode: 396 mW/360 mW/324 mW (max)
Standby mode : 7.2 mW (max)
: 0.54 mW (max) (L-version)
Fast page mode capability
Refresh cycles
2048 refresh cycles : 32 ms
: 128 ms (L-version)
4 variations of refresh
RAS-only refresh
CAS-before-RAS refresh
Hidden refresh
Self refresh (L-version)
Battery backup operation (L-version)
ADE-203-664C (Z)
Rev. 3.0
Feb. 24, 1997
8-bit. It employs the

Summary of Contents

Page 1

... The Hitachi HM51W17800 is a CMOS dynamic RAM organized 2,097,152-word most advanced CMOS technology for high performance and low power. The HM51W17800 offers Fast Page Mode as a high speed access mode. Multiplexed address input permits the HM51W17800 to be packaged in standard 28-pin plastic SOJ and 28-pin TSOP. ...

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... HM51W17800 Series Ordering Information Type No. HM51W17800J-5 HM51W17800J-6 HM51W17800J-7 HM51W17800LJ-5 HM51W17800LJ -6 HM51W17800LJ -7 HM51W17800S-5 HM51W17800S-6 HM51W17800S-7 HM51W17800LS-5 HM51W17800LS-6 HM51W17800LS-7 HM51W17800TT-5 HM51W17800TT-6 HM51W17800TT-7 HM51W17800LTT-5 HM51W17800LTT-6 HM51W17800LTT-7 HM51W17800TS-5 HM51W17800TS-6 HM51W17800TS-7 HM51W17800LTS-5 HM51W17800LTS-6 HM51W17800LTS-7 2 Access time Package 50 ns 400-mil 28-pin plastic SOJ (CP-28DA ...

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... Function Address input Row/Refresh address A0 to A10 Column address Data input/data output Row address strobe Column address strobe Read/Write enable Output enable Power supply Ground No connection HM51W17800 Series HM51W17800TT/LTT Series HM51W17800TS/LTS Series CAS ...

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... HM51W17800 Series Block Diagram A0 A1 Column address to buffers A9 Row address buffers A10 4 RAS CAS WE Timing and control Column decoder 2M array 2M array 2M array 2M array 2M array 2M array 2M array 2M array OE I/O buffers I/O0 to I/O7 ...

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... Input low voltage Notes: 1. All voltage referred to V Symbol Value V 0 4 0 4.6 CC Iout 50 P 1.0 T Topr 0 to 70 Tstg 55 to 125 Symbol Min 0 HM51W17800 Series Typ Max Unit 3.3 3.6 V — 0 0.8 V Unit Notes ...

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... HM51W17800 Series DC Characteristics ( Parameter Symbol 1, 2 Operating current Standby current I Standby current (L-version) I RAS-only refresh current Standby current I CAS-before-RAS refresh I current 1, 3 Fast page mode current Battery backup current I (Standby with CBR refresh) (L-version) Self refresh mode current ...

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... Input timing reference levels: 0.8 V, 2.0 V Output timing reference levels: 0.8 V, 2.0 V Output load: 1 TTL gate C 3 Symbol I/O 3 (100 pF) (Including scope and jig) L HM51W17800 Series Typ Max Unit — — — 1, 2, Notes ...

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... HM51W17800 Series Read, Write, Read-Modify-Write and Refresh Cycles (Common parameters) Parameter Random read or write cycle time RAS precharge time CAS precharge time RAS pulse width CAS pulse width Row address setup time Row address hold time Column address setup time Column address hold time ...

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... WCS t 8 10 WCH t 8 — 15 RWL t 13 15 CWL t 0 — — HM51W17800 Series -7 Max Min Max Unit Notes 60 — — 10, 17, 30 — 11, 17, 15 — 0 ns — ...

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... HM51W17800 Series Read-Modify-Write Cycle Parameter Read-modify-write cycle time RAS to WE delay time CAS to WE delay time Column address to WE delay time OE hold time from WE Refresh Cycle Parameter CAS setup time (CBR refresh cycle) t CAS hold time (CBR refresh cycle setup time (CBR refresh cycle) t ...

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... If t RCD RAD RAD exceeds the value shown. RAC t (max) and t t (max). RCD RAD RAD t (max) and t t (max). RCD RAD RAD HM51W17800 Series -6 -7 Min Max Min Max Unit 85 96 — 68 ns Max Unit Note 32 ...

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... HM51W17800 Series 12. Either must be satisfied for a read cycles. RCH RRH 13. t (max) and t (max) define the time at which the outputs achieve the open circuit condition and OFF OEZ are not referred to output voltage levels. 14 WCS RWD CWD AWD sheet as electrical characteristics only ...

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... Dout RAS t CSH t t RCD RSH t CAS t t RAD RAL t CAL t t ASC CAH t RAH Column t RCS t DZC High DZO OEA t CAC RAC t t CLZ Dout HM51W17800 Series CRP t RRH t RCH t CDD t OED t OEZ t OHO t OFF OH 13 ...

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... HM51W17800 Series Early Write Cycle RAS t T CAS t ASR Row Address WE Din Dout RAS t CSH t t RCD RSH t CAS RAH ASC CAH Column t t WCS WCH Din CRP High- WCS WCS (min) ...

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... ASR RAH Row Address WE Din OE Dout RAS t CSH t t RCD RSH t CAS t t ASC CAH Column RCS t t DZC DS High-Z Din t DZO t OED t OEZ t CLZ Invalid Dout HM51W17800 Series CRP CWL RWL OEH High-Z 15 ...

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... HM51W17800 Series 18 Read-Modify-Write Cycle RAS t T CAS t ASR Address Row WE Din OE Dout 16 t RWC t RAS t t RCD CAS t RAD RAH ASC CAH Column t CWD t RCS t AWD t RWD t DZC High-Z t OED t DZO t OEA t CAC RAC Dout t CLZ CRP t CWL ...

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... RAS-Only Refresh Cycle RAS CRP CAS t ASR Address t OFF Dout RAS t RAH Row High-Z HM51W17800 Series RPC CRP 17 ...

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... HM51W17800 Series CAS-Before-RAS Refresh Cycle t RP RAS t RPC t CP CAS WE Address t OFF Dout RAS RPC CSR CHR CP CSR WRP WRH High RAS RP t CRP t CHR t WRP WRH ...

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... RAS RP t RSH RCD t RAL t t ASC CAH Column t WRP t t RRH WRH t DZC High-Z t DZO t OEA t CAC CLZ HM51W17800 Series RAS RP RAS CHR t WRP t WRH t OFF t OH Dout CRP t CDD t OED t OEZ t OHO 19 ...

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... HM51W17800 Series Fast Page Mode Read Cycle RAS RCD CAS t RAD t t ASR RAH Address Row WE Din OE t RAC Dout 20 t RASP t t CSH CAS CP CAS t t CAL CAL ASC CAH ASC CAH Column 1 Column 2 t RCS ...

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... RCD CAS ASC CAH ASC Column 1 Column WCS WCH WCS Din 1 Din 2 High-Z HM51W17800 Series t RSH CAS CP CAS t t CAH ASC CAH Column WCH WCS WCH Din WCS t RP ...

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... HM51W17800 Series Fast Page Mode Delayed Write Cycle RAS RCD CAS t RAD t ASR t RAH Row Address t RCS WE Din t DZO OE t CLZ Dout RASP CSH CAS CAS t t ASC ASC t t CAH CAH Column 1 Column 2 t CWL ...

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... DH Din OED OED t DZO t t OEH OEH t OHO t OEA t CAC CPA OEZ CLZ Dout 1 Dout 2 HM51W17800 Series t t RSH CP t CAS t ASC t CAH Column CWL CPW CWL t AWD t RWL t t RCS CWD DZC ...

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... HM51W17800 Series Self Refresh Cycle (L-version RAS t RPC t CP CAS WE t OFF Dout 24 19, 20, 21 RASS CSR t t WRP WRH High-Z t RPS t CRP t CHS ...

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... Package Dimensions HM51W17800J/LJ Series (CP-28DA) 18.54 Max 28 1 0.74 1.30 Max 0.43 ± 0.10 0.41 ± 0.08 18. 1.27 0.10 HM51W17800 Series 9.40 ± 0.25 Hitachi Code CP-28DA JEDEC Code MO-061-AA EIAJ Code SC-637-B Weight 1. ...

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... HM51W17800 Series HM51W17800S/LS Series (CP-28DNA 1.165 Max 0.43 ± 0.10 0.41 ± 0.08 26 18.41 18.84 Max 15 14 0.74 1.27 0.10 6.79 ± 0.18 Hitachi Code CP-28DNA JEDEC Code EIAJ Code Weight ...

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... HM51W17800TT/LTT Series (TTP-28DA) 18.41 18.81 Max 28 1 0.21 0.42 ± 0.08 0.40 ± 0.06 1.15 Max 15 14 1.27 M 11.76 ± 0.20 0.10 HM51W17800 Series 0.80 0 5° 0.50 ± 0.10 Hitachi Code TTP-28DA JEDEC Code MO-133AA EIAJ Code Weight 0. ...

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... HM51W17800 Series HM51W17800TS/LTS Series (TTP-28DB) 18.41 18.81 Max 28 1 0.21 0.42 ± 0.08 0.40 ± 0.06 1.15 Max 0. 1.27 M 9.22 ± 0.2 0 5° 0.50 ± 0.10 Hitachi Code TTP-28DB JEDEC Code EIAJ Code Weight ...

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... Brisbane, CA. 94005-1835 Dornacher Straß D-85622 Feldkirchen Tel: 415-589-8300 München Fax: 415-583-4207 Tel: 089-9 91 80-0 Fax: 089 HM51W17800 Series Hitachi Europe Ltd. Hitachi Asia Pte. Ltd. Electronic Components Div. 16 Collyer Quay #20-00 Northern Europe Headquarters Hitachi Tower Whitebrook Park Singapore 0104 ...

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... HM51W17800 Series Revision Record Rev. Date Contents of Modification 1.0 Sep. 30, 1996 Initial issue 2.0 Dec. 5, 1996 Addition of HM51W17800-5 Series Addition of HM51W17800S/LS Series (CP-28DNA) Addition of HM51W17800TS/LTS Series (TTP-28DB) Power dissipation (active) 432/396 mW(max) to 396/360/324 mW (max) DC Characteristics I CC1 I CC3 I CC6 I CC7 AC Characteristics t RRH t RPC 3.0 Feb. 24, 1997 ...

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