MT45W8MW16BGX856IT Micron Technology Inc, MT45W8MW16BGX856IT Datasheet - Page 3

• Manufacturer Part Number: MT45W8MW16BGX856IT
• Manufacturer: Micron Technology Inc

Specifications of MT45W8MW16BGX856IT

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Compliant

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PDF: 09005aef80ec6f79/Source: 09005aef80ec6f65
128mb_burst_cr1_5_p26zLOF.fm - Rev. H 9/07 EN
54-Ball VFBGA Ball Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Functional Block Diagram – 8 Meg x 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Part Number Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Power-Up Initialization Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
READ Operation (ADV# LOW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
WRITE Operation (ADV# LOW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Page Mode READ Operation (ADV# LOW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Burst Mode READ (4-word burst) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Burst Mode WRITE (4-word burst) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Wired-OR WAIT Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Refresh Collision During Variable-Latency READ Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Configuration Register WRITE, Asynchronous Mode, Followed by READ ARRAY Operation . . . . .18
Configuration Register WRITE, Synchronous Mode Followed by READ ARRAY Operation . . . . . . .19
Register READ, Asynchronous Mode Followed by READ ARRAY Operation . . . . . . . . . . . . . . . . . . . .20
Register READ, Synchronous Mode Followed by READ ARRAY Operation . . . . . . . . . . . . . . . . . . . . .21
Load Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Read Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Bus Configuration Register Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
WAIT Configuration (BCR[8] = 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
WAIT Configuration (BCR[8] = 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Latency Counter (Variable Initial Latency, No Refresh Collision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Refresh Configuration Register Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Typical Refresh Current vs. Temperature (I
AC Input/Output Reference Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
AC Output Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Initialization Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
DPD Entry and Exit Timing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Asynchronous READ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Asynchronous READ Using ADV# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Page Mode READ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Single-Access Burst READ Operation – Variable Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
4-Word Burst READ Operation – Variable Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Single-Access Burst READ Operation – Fixed Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
4-Word Burst READ Operation – Fixed Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
READ Burst Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Burst READ at End of Row (Wrap Off) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
CE#-Controlled Asynchronous WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
LB#/UB#-Controlled Asynchronous WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
WE#-Controlled Asynchronous WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Asynchronous WRITE Using ADV# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Burst WRITE Operation – Variable Latency Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Burst WRITE Operation – Fixed Latency Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Burst WRITE at End of Row (Wrap Off) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Burst WRITE Followed by Burst READ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Burst READ Interrupted by Burst READ or WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Burst WRITE Interrupted by Burst WRITE or READ – Variable Latency Mode . . . . . . . . . . . . . . . . . .60
Burst WRITE Interrupted by Burst WRITE or READ – Fixed Latency Mode . . . . . . . . . . . . . . . . . . . . .61
Asynchronous WRITE Followed by Burst READ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Asynchronous WRITE (ADV# LOW) Followed by Burst READ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Burst READ Followed by Asynchronous WRITE (WE#-Controlled) . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Burst READ Followed by Asynchronous WRITE Using ADV# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Asynchronous WRITE Followed by Asynchronous READ – ADV# LOW . . . . . . . . . . . . . . . . . . . . . . . .66
54-Ball VFBGA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
128Mb: 8 Meg x 16 Async/Page/Burst CellularRAM 1.5
TCR
3
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2004 Micron Technology, Inc. All rights reserved.
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