MT40A512M8RH-075E Datasheet, PDF (8/365 Pages) Micron Technology – DDR4 SDRAM

4Gb: x4, x8, x16 DDR4 SDRAM
Features
ODT During Reads .................................................................................................................................... 255
Dynamic ODT ............................................................................................................................................... 256
Functional Description .............................................................................................................................. 256
Asynchronous ODT Mode .............................................................................................................................. 259
Electrical Specifications ................................................................................................................................. 260
Absolute Ratings ........................................................................................................................................ 260
DRAM Component Operating Temperature Range ...................................................................................... 260
Electrical Characteristics – AC and DC Operating Conditions .......................................................................... 261
Supply Operating Conditions ..................................................................................................................... 261
Leakages ................................................................................................................................................... 262
V_REFCA Supply ............................................................................................................................................ 262
V_REFDQ Supply and Calibration Ranges ....................................................................................................... 263
V_REFDQ Ranges ........................................................................................................................................... 264
Electrical Characteristics – AC and DC Single-Ended Input Measurement Levels .............................................. 265
RESET_n Input Levels ................................................................................................................................ 265
Command/Address Input Levels ................................................................................................................ 265
Command, Control, and Address Setup, Hold, and Derating ........................................................................ 267
Data Receiver Input Requirements ............................................................................................................. 269
Connectivity Test (CT) Mode Input Levels .................................................................................................. 273
Electrical Characteristics – AC and DC Differential Input Measurement Levels ................................................. 277
Differential Inputs ..................................................................................................................................... 277
Single-Ended Requirements for CK Differential Signals ............................................................................... 278
Slew Rate Definitions for CK Differential Input Signals ................................................................................ 279
CK Differential Input Cross Point Voltage .................................................................................................... 280
DQS Differential Input Signal Definition and Swing Requirements .............................................................. 281
DQS Differential Input Cross Point Voltage ................................................................................................. 283
Slew Rate Definitions for DQS Differential Input Signals .............................................................................. 284
Electrical Characteristics – Overshoot and Undershoot Specifications ............................................................. 286
Address, Command, and Control Overshoot and Undershoot Specifications ................................................ 286
Clock Overshoot and Undershoot Specifications ......................................................................................... 287
Data, Strobe, and Mask Overshoot and Undershoot Specifications .............................................................. 288
Electrical Characteristics – AC and DC Output Measurement Levels ................................................................ 288
Single-Ended Outputs ............................................................................................................................... 288
Differential Outputs .................................................................................................................................. 290
Reference Load for AC Timing and Output Slew Rate ................................................................................... 291
Connectivity Test Mode Output Levels ........................................................................................................ 292
Electrical Characteristics – AC and DC Output Driver Characteristics ............................................................... 293
Connectivity Test Mode Output Driver Electrical Characteristics ................................................................. 293
Output Driver Electrical Characteristics ..................................................................................................... 295
Output Driver Temperature and Voltage Sensitivity ..................................................................................... 298
Alert Driver ............................................................................................................................................... 298
Electrical Characteristics – On-Die Termination Characteristics ...................................................................... 299
ODT Levels and I-V Characteristics ............................................................................................................ 299
ODT Temperature and Voltage Sensitivity ................................................................................................... 301
ODT Timing Definitions ............................................................................................................................ 301
DRAM Package Electrical Specifications ......................................................................................................... 305
Thermal Characteristics ................................................................................................................................. 309
Current Specifications – Measurement Conditions .......................................................................................... 310
I_DD, I_PP, and I_DDQ Measurement Conditions ................................................................................................ 310
I_DD Definitions .......................................................................................................................................... 312
Current Specifications – Patterns and Test Conditions ..................................................................................... 316
Current Test Definitions and Patterns ......................................................................................................... 316
09005aef84af6dd0
4gb_ddr4_dram.pdf - Rev. G 1/17 EN
8
Micron Technology, Inc. reserves the right to change products or specifications without notice.
‹ 2014 Micron Technology, Inc. All rights reserved.