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MC-458CB64ESB-A10B Datasheet(PDF) 1 Page - NEC |
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MC-458CB64ESB-A10B Datasheet(HTML) 1 Page - NEC |
1 / 6 page The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC representative for availability and additional information. © 1996 DATA SHEET MOS INTEGRATED CIRCUIT MC-458CB64ESB, 458CB64PSB 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE (SO DIMM) Document No. M12263EJAV0DS00 (10th edition) Date Published February 2000 NS CP(K) Printed in Japan The mark • • • • shows major revised points. Description The MC-458CB64ESB and MC-458CB64PSB are 8,388,608 words by 64 bits synchronous dynamic RAM module (Small Outline DIMM) on which 4 pieces of 128M SDRAM: µPD45128163 are assembled. These modules provide high density and large quantities of memory in a small space without utilizing the surface- mounting technology on the printed circuit board. Decoupling capacitors are mounted on power supply line for noise reduction. Features • 8,388,608 words by 64 bits organization • Clock frequency and access time from CLK Part number /CAS Latency Clock frequency Access time from CLK (MAX.) (MIN.) MC-458CB64ESB-A10B CL = 3 100 MHz 7 ns CL = 2 67 MHz 8 ns MC-458CB64PSB-A10B CL = 3 100 MHz 7 ns CL = 2 67 MHz 8 ns • Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge • Pulsed interface • Possible to assert random column address in every cycle • Quad internal banks controlled by BA0 and BA1 (Bank Select) • Programmable burst-length (1, 2, 4, 8 and Full Page) • Programmable wrap sequence (Sequential / Interleave) • Programmable /CAS latency (2, 3) • Automatic precharge and controlled precharge • CBR (Auto) refresh and self refresh • Single +3.3 V ± 0.3 V power supply • LVTTL compatible • 4,096 refresh cycles/64 ms • Burst termination by Burst Stop command and Precharge command • 144-pin small outline dual in-line memory module (Pin pitch = 0.8 mm) • Unbuffered type • Serial PD 5 |
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