參數(shù)資料
型號: MT48V2M32LFFC
廠商: Micron Technology, Inc.
英文描述: 512K x 32 x 4 banks 2.5V SDRAM(2.5V,512K x 32 x 4組同步動態(tài)RAM)
中文描述: 為512k × 32 × 4銀行2.5V的內(nèi)存電壓(2.5V,512K采樣× 32 × 4組同步動態(tài)RAM)的
文件頁數(shù): 3/50頁
文件大小: 1058K
代理商: MT48V2M32LFFC
3
64Mb: x32 SDRAM, 2.5V
BatRam_25V.p65 – Rev. 0.7, Pub. 2/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
64Mb: x32, 2.5V
SDRAM
PRELIMINARY
TABLE OF CONTENTS
Functional Block Diagram - 2 Meg x 32 .....................
Pin Descriptions ..........................................................
4
5
Functional Description ............................................
Initialization ...........................................................
Register Definition ................................................
Mode Register ...................................................
Burst Length................................................
Burst Type ...................................................
CAS Latency ................................................
Operating Mode..........................................
Write Burst Mode........................................
Commands ................................................................
Truth Table 1 (Commands and DQM Operation) ................
Command Inhibit .................................................. 10
No Operation (NOP) .............................................. 10
Load Mode Register ............................................... 10
Active ....................................................................... 10
Read ....................................................................... 10
Write ....................................................................... 10
Precharge ................................................................ 10
Auto Precharge....................................................... 10
Burst Terminate ..................................................... 11
Auto Refresh ........................................................... 11
Self Refresh ............................................................. 11
Operation ..................................................................
12
Bank/Row Activation ............................................. 12
Reads ....................................................................... 13
Writes ....................................................................... 19
Precharge ................................................................ 21
Power-Down ........................................................... 21
Clock Suspend........................................................ 22
6
6
6
6
6
7
8
8
8
9
9
Burst Read/Single Write ....................................... 22
Concurrent Auto Precharge ................................. 23
Truth Table 2 (CKE) ..............................................................
Truth Table 3 (Current State, Same Bank) ...........................
26
Truth Table 4 (Current State, Different Bank) .....................
28
Absolute Maximum Ratings....................................... 30
DC Electrical Characteristics and
Operating Conditions ........................................... 30
I
DD
Specifications and Conditions............................. 30
Capacitance.................................................................. 32
25
AC Electrical Characteristics
(Timing Table) ......... 32
Timing Waveforms
Initialize and Load Mode Register....................... 35
Power-Down Mode ................................................ 36
Clock Suspend Mode ............................................ 37
Auto Refresh Mode ................................................ 38
Self Refresh Mode.................................................. 39
Reads
Read - Without Auto Precharge...................... 40
Read - With Auto Precharge............................ 41
Alternating Bank Read Accesses.................... 42
Read - Full-Page Burst ..................................... 43
Read - DQM Operation .................................... 44
Writes
Write - Without Auto Precharge ..................... 45
Write - With Auto Precharge ........................... 46
Alternating Bank Write Accesses ................... 47
Write - Full-Page Burst..................................... 48
Write - DQM Operation.................................... 49
相關(guān)PDF資料
PDF描述
MT48V4M32LFFC SYNCHRONOUS DRAM
MT49H16M16 THERMISTOR PTC 100OHM 110DEG RAD
MT49H16M16FM REDUCED LATENCY DRAM RLDRAM
MT49H8M32 THERMISTOR PTC 100OHM 120DEG RAD
MT49H8M32FM REDUCED LATENCY DRAM RLDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT48V32M16S2FG-10 制造商:Micron Technology Inc 功能描述:32MX16 SSDRAM PLASTIC 2BOC 2.5V - Trays
MT48V32M16S2FG-8 ES 制造商:Micron Technology Inc 功能描述:DRAM CHIP MOBILE SDRAM 512MBIT 2.5V 54FBGA - Bulk