46V16M8 Datasheet (data sheet) PDF





46V16M8 Datasheet, MT46V16M8

46V16M8   46V16M8  

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PRELIMINARY‡ 128Mb: x4, x8, x16 DDR S DRAM DOUBLE DATA RATE (DDR) SDRAM FEAT URES • VDD = +2.5V ±0.2V, VDDQ = +2. 5V ±0.2V • Bidirectional data strobe (DQS) transmitted/ received with data, i.e., source-synchronous data www.Data Sheet4U.com capture (x16 has two – on e per byte) • Internal, pipelined dou ble-data-rate (DDR) architecture; two d ata accesses per clock cycle • Differ ential clock inputs (CK and CK#) • Co mmands entered on each positive CK edge • DQS edge-aligned with data for REA Ds; centeraligned with data for WRITEs • DLL to align DQ and DQS transitions with CK • Four internal banks for co ncurrent operation • Data mask (DM) for masking

46V16M8 Datasheet, MT46V16M8

46V16M8   46V16M8  
write data (x16 has two – one per byt e) • x16 has programmable IOL/IOH opt ion • Programmable burst lengths: 2, 4, or 8 • Auto precharge option • A uto Refresh and Self Refresh Modes • Longer lead TSOP for improved reliabili ty (OCPL) • 2.5V I/O (SSTL_2 compatib le) MT46V32M4 – 8 Meg x 4 x 4 banks MT46V16M8 – 4 Meg x 8 x 4 banks MT46V 8M16 – 2 Meg x 16 x 4 banks For the l atest data sheet revisions, please refe r to the Micron Web site: www.micron.co m/datasheets PIN ASSIGNMENT (TOP VIEW) 66-Pin TSOP x4 x8 x16 VDD VDD VDD NC D Q0 DQ0 VDDQ VDDQ VDDQ NC DQ1 NC DQ0 DQ1 DQ2 VSSQ VSSQ VssQ NC DQ3 NC NC DQ2 DQ 4 VDDQ VDDQ VDDQ NC DQ5 NC DQ1 DQ3 DQ6 VSSQ VSSQ VssQ NC DQ7 NC NC NC NC VDDQ VDDQ VDDQ NC NC LDQS NC NC NC VDD VDD V DD NC DNU DNU NC NC LDM WE# WE# WE# CAS # CAS# CAS# RAS# RAS# RAS# CS# CS# CS# NC NC NC BA0 BA0 BA0 BA1 BA1 BA1 A10/AP A10/AP A10/AP A0 A0 A0 A1 A1 A1 A2 A2 A2 A3 A3 A3 VDD VDD VDD x16 VSS DQ15 VS SQ DQ14 DQ13 VDDQ DQ12 DQ11 VSSQ DQ10 D Q9 VDDQ DQ8 NC VSSQ UDQS DNU VREF VSS U DM CK# CK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS x8 VSS DQ7 VSSQ NC DQ6 VDDQ NC D Q5 VSSQ NC DQ4 VDDQ NC NC VSSQ DQS DNU VREF VSS DM CK# CK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS x4 VSS NC VSSQ NC DQ3 V DDQ NC NC VSSQ NC DQ2 VDDQ NC NC VSSQ D QS DNU VREF VSS DM CK# CK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS OPTIONS








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