MT46V16M8TG-8L MICRON [Micron Technology], MT46V16M8TG-8L Datasheet - Page 3

• Manufacturer Part Number: MT46V16M8TG-8L
• Description: DOUBLE DATA RATE DDR SDRAM
• Manufacturer: MICRON [Micron Technology]

TABLE OF CONTENTS
Functional Block Diagram – 32 Meg x 4 ...............
Functional Block Diagram – 16 Meg x 8 ...............
Functional Block Diagram – 8 Meg x 16 .............
Pin Descriptions ......................................................
Functional Description .........................................
Commands ............................................................ 13
Operation .............................................................. 16
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65 – Rev. C; Pub. 4/01
Initialization ......................................................
Register Definition .............................................
Truth Table 1 (Commands)
Truth Table 1A (DM Operation)
Deselect .............................................................. 14
No Operation (NOP) ........................................ 14
Load Mode Register .......................................... 14
Active ................................................................ 14
Read ................................................................ 14
Write ................................................................ 14
Precharge ........................................................... 14
Auto Precharge .................................................. 14
Burst Terminate ................................................. 14
Auto Refresh ...................................................... 15
Self Refresh ........................................................ 15
Bank/Row Activation ....................................... 16
Reads ................................................................ 17
Writes ................................................................ 26
Mode Register ...............................................
Extended Mode Register ............................... 12
Read Burst .................................................... 18
Consecutive Read Bursts .............................. 19
Nonconsecutive Read Bursts ....................... 20
Random Read Accesses ................................ 21
Terminating a Read Burst ............................ 23
Read to Write ............................................... 24
Read to Precharge ......................................... 25
Write Burst ................................................... 27
Consecutive Write to Write ......................... 28
Nonconsecutive Write to Write .................. 29
Burst Length ............................................
Burst Type ................................................ 10
Read Latency ........................................... 11
Operating Mode ...................................... 11
DLL Enable/Disable ................................. 12
........................................ 13
.................................. 13
4
5
6
7
9
9
9
9
9
3
Operating Conditions
Absolute Maximum Ratings .................................... 43
DC Electrical and Operating Conditions ................... 43
AC Input Operating Conditions ........................... 43
Clock Input Operating Conditions ....................... 44
Input Voltage ......................................................... 45
Capacitance – x4, x8 .............................................. 46
I
Capacitance – x16 .................................................. 47
I
AC Electrical Characteristics (Timing Table) .......... 48
Slew Rate Derating Tables ...................................... 49
Derating Data Valid Window ............................... 51
Voltage and Timing Waveforms
66-pin TSOP dimensions ........................................ 68
DD
DD
Precharge ........................................................... 37
Power-Down ..................................................... 37
Truth Table 2 (CKE)
Truth Table 3 (Current State, Same Bank)
Truth Table 4 (Current State, Different Bank)
Normal Output Drive Curves ........................... 54
Reduced Output Drive Curves (x16 only) ........ 55
Output Timing –
Output Timing –
Output Timing –
Input Timing ..................................................... 58
Initialize and Load Mode Registers .................. 59
Power-Down Mode .......................................... 60
Auto Refresh Mode ........................................... 61
Self Refresh Mode ............................................. 62
Reads
Writes
Specifications and Conditions – x4, x8 ........... 46
Specifications and Conditions – x16 ............... 47
Random Writes ............................................ 30
Write to Read – Uninterrupting .................. 31
Write to Read – Interrupting ....................... 32
Write to Read – Odd, Interrupting ............. 33
Write to Precharge – Uninterrupting .......... 34
Write to Precharge – Interrupting ............... 35
Write to Precharge – Odd, Interrupting ...... 36
Bank Read – Without Auto Precharge ........ 63
Bank Read – With Auto Precharge .............. 64
Bank Write – Without Auto Precharge ....... 65
Bank Write – With Auto Precharge ............. 66
Write – DM Operation ................................ 67
Micron Technology, Inc., reserves the right to change products or specifications without notice.
................................................. 38
t
t
t
128Mb: x4, x8, x16
DQSQ and
DQSQ and
AC and
t
DQSCK ................. 58
DDR SDRAM
t
t
QH – x4, x8 ..... 56
QH – x16 ......... 57
PRELIMINARY
..................... 39
................. 41
©2001, Micron Technology, Inc.