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D45128841G5

NEC
Part Number D45128841G5
Manufacturer NEC
Description UPD45128841G5
Published Jan 8, 2008
Detailed Description www.DataSheet4U.com DATA SHEET MOS INTEGRATED CIRCUIT µPD45128441, 45128841, 45128163 128M-bit Synchronous DRAM 4-ban...
Datasheet PDF File D45128841G5 PDF File

D45128841G5
D45128841G5

Overview
www.
DataSheet4U.
com DATA SHEET MOS INTEGRATED CIRCUIT µPD45128441, 45128841, 45128163 128M-bit Synchronous DRAM 4-bank, LVTTL Description The µPD45128441, 45128841, 45128163 are high-speed 134,217,728-bit synchronous dynamic random-access memories, organized as 8,388,608 × 4 × 4, 4,194,304 × 8 × 4, 2,097,152 × 16 × 4 (word × bit × bank), respectively.
The synchronous DRAMs achieved high-speed data transfer using the pipeline architecture.
All inputs and outputs are synchronized with the positive edge of the clock.
The synchronous DRAMs are compatible with Low Voltage TTL (LVTTL).
These products are packaged in 54-pin TSOP (II).
Features • 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(A13) and BA1(A12) • Byte control (×16) by LDQM and UDQM • Programmable Wrap sequence (Sequential / Interleave) • Programmable burst length (1, 2, 4, 8 and full page) • Programmable /CAS latency (2 and 3) • Automatic precharge and controlled precharge • CBR (Auto) refresh and self refresh • ×4, ×8, ×16 organization • Single 3.
3 V ± 0.
3 V power supply • LVTTL compatible inputs and outputs • 4,096 refresh cycles / 64 ms • Burst termination by Burst stop command and Precharge command 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.
Document No.
M12650EJBV0DS00 (11th edition) Date Published April 2000 NS CP (K) Printed in Japan The mark • shows major revised points.
© 1997 www.
DataSheet4U.
com µPD45128441, 45128841, 45128163 Ordering Information Part number Organization (word × bit × bank) 8M × 4 × 4 Clock frequency MHz (MAX.
) 133 125 100 100 4M × 8 × 4 133 125 100 100 2M × 16 × 4 133 125 100 100 ...


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