MT47H256M4BT-5E:A TR Micron Technology Inc, MT47H256M4BT-5E:A TR Datasheet - Page 4

• Manufacturer Part Number: MT47H256M4BT-5E:A TR
• Description: IC DDR2 SDRAM 1GBIT 5NS 92FBGA
• Manufacturer: Micron Technology Inc

Specifications of MT47H256M4BT-5E:A TR

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 92-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1206-1

Contents
State Diagram .................................................................................................................................................. 9
Functional Description ................................................................................................................................... 10
Functional Block Diagrams ............................................................................................................................. 12
Ball Assignments and Descriptions ................................................................................................................. 15
Packaging ...................................................................................................................................................... 19
Electrical Specifications – Absolute Ratings ..................................................................................................... 23
Electrical Specifications – I
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
Mode Register (MR) ........................................................................................................................................ 74
Extended Mode Register (EMR) ....................................................................................................................... 79
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Industrial Temperature .............................................................................................................................. 10
Automotive Temperature ........................................................................................................................... 11
General Notes ............................................................................................................................................ 11
Package Dimensions .................................................................................................................................. 19
FBGA Package Capacitance ......................................................................................................................... 22
Temperature and Thermal Impedance ........................................................................................................ 23
I
I
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
Burst Length .............................................................................................................................................. 75
Burst Type ................................................................................................................................................. 76
Operating Mode ......................................................................................................................................... 76
DLL RESET ................................................................................................................................................. 76
Write Recovery ........................................................................................................................................... 77
Power-Down Mode .................................................................................................................................... 77
CAS Latency (CL) ........................................................................................................................................ 78
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
DD
DD7
Specifications and Conditions ............................................................................................................... 26
Conditions .......................................................................................................................................... 27
DD
Parameters ........................................................................................................ 26
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
1Gb: x4, x8, x16 DDR2 SDRAM
© 2004 Micron Technology, Inc. All rights reserved.