HM514400CS-7 Renesas Electronics Corporation., HM514400CS-7 Datasheet
HM514400CS-7
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HM514400CS-7 Summary of contents
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HM514400B/BL Series HM514400C/CL Series 1,048,576-word 4-bit Dynamic Random Access Memory The Hitachi HM514400B/BL, HM514400C/CL are CMOS dynamic RAM organized 1,048,576- word 4-bit. HM514400B/BL, HM514400C/CL have realized higher density, higher performance and various functions by employing 0.8 m CMOS process technology ...
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... HM514400B/BL, HM514400C/CL Series Ordering Information Access Type No. time HM514400BS HM514400BS HM514400BS HM514400BLS HM514400BLS HM514400BLS HM514400CS HM514400CS HM514400CS HM514400CLS HM514400CLS HM514400CLS HM514400BZ HM514400BZ HM514400BZ HM514400BLZ HM514400BLZ-7 ...
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... Pin Arrangement HM514400BS/BLS Series HM514400CS/CLS Series I/ RAS (Top view) HM514400BTT/BLTT Series HM514400CTT/CLTT Series I/ RAS (Top view) HM514400B/BL, HM514400C/CL Series HM514400BZ/BLZ Series HM514400CZ/CLZ Series ...
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HM514400B/BL, HM514400C/CL Series Pin Description Pin name Function Address input Refresh address input I/O1 to I/O4 Data-in/Data-out RAS Row address strobe CAS Column address strobe WE Read/Write enable OE Output enable V Power (+5 ...
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Block Diagram RAS RAS Control CAS Control Circuit Circuit I/O1 I/O1 Buffer Row Row Driver Driver Row Row Driver Driver Row Address Buffer HM514400B/BL, HM514400C/CL Series CAS Control OE Control Circuit Circuit I/O2 I/O3 I/O2 Buffer I/O3 ...
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HM514400B/BL, HM514400C/CL Series Absolute Maximum Ratings Parameter Voltage on any pin relative Supply voltage relative Short circuit output current Power dissipation Operating temperature Storage temperature Recommended DC Operating Conditions ( +70 ...
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DC Characteristics ( + Parameter Symbol Operating current I CC1 Standby current I CC2 Standby current I CC2 (L-version) RAS-only I CC3 refresh current Standby current I CC5 CAS-before-RAS I CC6 refresh current Fast page ...
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HM514400B/BL, HM514400C/CL Series Capacitance ( Parameter Input capacitance (Address) Input capacitance (Clocks) Output capacitance (Data-in, Data-out) Notes: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method. 2. CAS = V to disable Dout. ...
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Read, Write, Read-Modify-Write and Refresh Cycles (Common parameters) Parameter Random read or write cycle time RAS 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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HM514400B/BL, HM514400C/CL Series Read Cycle Parameter Access time from RAS Access time from CAS Access time from address Access time from OE Read command setup time Read command hold time to CAS Read command hold time to RAS Column address ...
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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) CAS hold time (CBR ...
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HM514400B/BL, HM514400C/CL Series Fast Page Mode Read-Modify-Write Cycle Parameter Fast page mode read-modify-write cycle time Fast page mode read-modify-write cycle CAS precharge to WE delay time Test Mode Cycle Parameter Test mode WE setup time Test mode WE hold time ...
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Notes measurements assume t 2. Assumes that t t RCD RCD maximum recommended value shown in this table Measured with a load circuit equivalent to 2 TTL loads and 100 pF. 4. Assumes that t t ...
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HM514400B/BL, HM514400C/CL Series *21 Timing Waveforms Read Cycle RAS t T CAS t t ASR RAH Row Address t RCS WE Dout Din OE Notes: 21 (H: V (min) IH Invalid Dout RAS ...
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Early Write Cycle RAS t T CAS t t RAH ASR Row Address WE Din Dout HM514400B/BL, HM514400C/CL Series RAS t RSH t t CAS RCD t CSH t t ASC CAH Column t t WCS WCH ...
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HM514400B/BL, HM514400C/CL Series Delayed Write Cycle RAS t T CAS t t ASR RAH Row Address WE Din t t DZO Dout RAS t CSH t t RCD RSH t CAS t t ASC CWL ...
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Read-Modify-Write Cycle RAS t T CAS t ASR t RAH Address Row WE Din Dout t DZO OE HM514400B/BL, HM514400C/CL Series t RWC t RAS t t RCD CAS t RAD t t CAH ASC Column t CWD t RCS ...
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HM514400B/BL, HM514400C/CL Series Hidden Refresh Cycle t t RAS (Read) RAS RSH t RCD CAS t ASC t ASR t RAD t RAH Address Row t RCS WE t RAC Dout t DZC Din t DZO OE ...
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Fast Page Mode Read Cycle RAS RCD CAS t ASR t RAD t t RAH ASC Address Row t RCS WE t DZC Din t RAC Dout t DZO OE HM514400B/BL, HM514400C/CL Series t RASC t t ...
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HM514400B/BL, HM514400C/CL Series Fast Page Mode Early Write Cycle RAS CSH t RCD CAS ASR ASC RAH Address Row t WCS Din Din Dout 20 t RASC ...
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Fast Page Mode Delayed Write Cycle RAS CSH t RCD CAS t ASR t ASC t RAH Address Row Column t RCS WE Din Dout t ODD OE HM514400B/BL, HM514400C/CL Series t RASC ...
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HM514400B/BL, HM514400C/CL Series Fast Page Mode Read-Modify-Write Cycle RAS t RCD t T CAS t RAD t RAH t CAH t ASR t ASC Row Address Column t AWD t CWD t RCS t RWD WE t CAC t DZC ...
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Test Mode Cycle Set Cycle** RAS CAS WE Test Mode Set Cycle WE-and-CAS-Before RAS-Refresh Cycle RAS t RPC CAS t CPN @ WE Address t OFF1 Dout HM514400B/BL, HM514400C/CL Series Test Mode Cycle RAS t ...
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HM514400B/BL, HM514400C/CL Series CAS-Before-RAS Refresh Cycle RAS t CPN t RPC CAS WE Address t OFF1 Dout RAS CSR CHR CPN High ...
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RAS-Only Refresh Cycle RAS CRP CAS t ASR Address Dout HM514400B/BL, HM514400C/CL Series RAS t t RAH Row High-Z * Refresh address : A0 – A9 (AX0 – AX9 ...
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HM514400B/BL, HM514400C/CL Series CAS-Before-RAS Refresh Counter Check Cycle (Read) RAS CSR CAS Address Din Dout RAS CHR CPT RSH t ASC Column RCS t DZC ...
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CAS-Before-RAS Refresh Counter Check Cycle (Write) RAS CSR CAS Address Din Dout OE HM514400B/BL, HM514400C/CL Series t RAS t t CHR CPT t ASC WCS WH WCH ...