1Gb: x4, x8, x16 DDR2 SDRAM
Contents
State Diagram .................................................................................................................................................. 9
Functional Description ................................................................................................................................... 10
Industrial Temperature .............................................................................................................................. 10
Automotive Temperature ........................................................................................................................... 11
General Notes ............................................................................................................................................ 11
Functional Block Diagrams ............................................................................................................................. 12
Ball Assignments and Descriptions ................................................................................................................. 15
Packaging ...................................................................................................................................................... 19
Package Dimensions .................................................................................................................................. 19
FBGA Package Capacitance ......................................................................................................................... 22
Electrical Specifications – Absolute Ratings ..................................................................................................... 23
Temperature and Thermal Impedance ........................................................................................................ 23
Electrical Specifications – IDD Parameters ........................................................................................................ 26
IDD Specifications and Conditions ............................................................................................................... 26
IDD7 Conditions .......................................................................................................................................... 27
AC Timing Operating Specifications ................................................................................................................ 31
AC and DC Operating Conditions .................................................................................................................... 41
ODT DC Electrical Characteristics ................................................................................................................... 42
Input Electrical Characteristics and Operating Conditions ............................................................................... 43
Output Electrical Characteristics and Operating Conditions ............................................................................. 46
Output Driver Characteristics ......................................................................................................................... 48
Power and Ground Clamp Characteristics ....................................................................................................... 52
AC Overshoot/Undershoot Specification ......................................................................................................... 53
Input Slew Rate Derating ................................................................................................................................ 55
Commands .................................................................................................................................................... 68
Truth Tables ............................................................................................................................................... 68
DESELECT ................................................................................................................................................. 72
NO OPERATION (NOP) .............................................................................................................................. 73
LOAD MODE (LM) ..................................................................................................................................... 73
ACTIVATE .................................................................................................................................................. 73
READ ......................................................................................................................................................... 73
WRITE ....................................................................................................................................................... 73
PRECHARGE .............................................................................................................................................. 74
REFRESH ................................................................................................................................................... 74
SELF REFRESH ........................................................................................................................................... 74
Mode Register (MR) ........................................................................................................................................ 74
Burst Length .............................................................................................................................................. 75
Burst Type ................................................................................................................................................. 76
Operating Mode ......................................................................................................................................... 76
DLL RESET ................................................................................................................................................. 76
Write Recovery ........................................................................................................................................... 77
Power-Down Mode .................................................................................................................................... 77
CAS Latency (CL) ........................................................................................................................................ 78
Extended Mode Register (EMR) ....................................................................................................................... 79
DLL Enable/Disable ................................................................................................................................... 80
Output Drive Strength ................................................................................................................................ 80
DQS# Enable/Disable ................................................................................................................................. 80
RDQS Enable/Disable ................................................................................................................................. 80
Output Enable/Disable ............................................................................................................................... 80
On-Die Termination (ODT) ........................................................................................................................ 81
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
4
© 2004 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
