EDJ2104BASE datasheet(4/148 Pages) ELPIDA

4 / 148 page

EDJ2104BASE, EDJ2108BASE

Preliminary Data Sheet E1505E20 (Ver. 2.0)

CONTENTS

Specifications.................................................................................................................................................1

Features.........................................................................................................................................................1

Ordering Information......................................................................................................................................2

Part Number ..................................................................................................................................................2

Pin Configurations .........................................................................................................................................3

Electrical Conditions ......................................................................................................................................6

Absolute Maximum Ratings .........................................................................................................................6

Operating Temperature Condition ...............................................................................................................6

Recommended DC Operating Conditions (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V) ..................7

AC and DC Input Measurement Levels (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V)......................7

VREF Tolerances ........................................................................................................................................8

Input Slew Rate Derating .............................................................................................................................9

AC and DC Logic Input Levels for Differential Signals...............................................................................15

AC and DC Output Measurement Levels (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V) .................20

AC Overshoot/Undershoot Specification....................................................................................................22

Output Driver Impedance...........................................................................................................................23

On-Die Termination (ODT) Levels and I-V Characteristics ........................................................................25

ODT Timing Definitions..............................................................................................................................27

IDD Measurement Conditions (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V) ..................................31

Electrical Specifications...............................................................................................................................44

DC Characteristics 1 (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V) ................................................44

Pin Capacitance (TC = 25

°C, VDD, VDDQ = 1.5V ± 0.075V)....................................................................46

Standard Speed Bins.................................................................................................................................47

AC Characteristics (TC = 0

°C to +85°C, VDD, VDDQ = 1.5V ± 0.075V, VSS, VSSQ = 0V)......................51

Block Diagram .............................................................................................................................................65

Pin Function.................................................................................................................................................66

Command Operation ...................................................................................................................................68

Command Truth Table...............................................................................................................................68

CKE Truth Table ........................................................................................................................................72

Simplified State Diagram .............................................................................................................................73

RESET and Initialization Procedure ............................................................................................................74

Power-Up and Initialization Sequence .......................................................................................................74

Reset and Initialization with Stable Power .................................................................................................75

Programming the Mode Register.................................................................................................................76

Mode Register Set Command Cycle Time (tMRD) ....................................................................................76

MRS Command to Non-MRS Command Delay (tMOD) ............................................................................76

DDR3 SDRAM Mode Register 0 [MR0] .....................................................................................................77

DDR3 SDRAM Mode Register 1 [MR1] .....................................................................................................78

DDR3 SDRAM Mode Register 2 [MR2] .....................................................................................................79

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