EDJ8232B5MB datasheet(5/142 Pages) ELPIDA

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EDJ8232B5MB

Data Sheet E1825E30 (Ver. 3.0)

CONTENTS

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

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

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

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

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

Block Diagram (DDP) ....................................................................................................................................4

Electrical Conditions ......................................................................................................................................7

Absolute Maximum Ratings ......................................................................................................................... 7

Operating Temperature Condition ............................................................................................................... 7

Recommended DC Operating Conditions (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V) ..................8

AC and DC Input Measurement Levels (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V)......................8

VREF Tolerances ...................................................................................................................................... 10

Input Slew Rate Derating ........................................................................................................................... 11

AC and DC Logic Input Levels for Differential Signals ............................................................................... 16

AC and DC Output Measurement Levels (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V) .................21

AC Overshoot/Undershoot Specification.................................................................................................... 23

Output Driver Impedance........................................................................................................................... 24

On-Die Termination (ODT) Levels and I-V Characteristics ........................................................................26

ODT Timing Definitions.............................................................................................................................. 28

IDD Measurement Conditions (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V) ..................................32

Electrical Specifications...............................................................................................................................45

DC Characteristics 1 (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V) ................................................45

Pin Capacitance (TC = 25

C, VDD, VDDQ = 1.5V  0.075V) ....................................................................47

Standard Speed Bins ................................................................................................................................. 48

AC Characteristics (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V, VSS, VSSQ = 0V)......................50

Block Diagram (Chip) ..................................................................................................................................58

Pin Function.................................................................................................................................................59

Command Operation ...................................................................................................................................61

Command Truth Table ............................................................................................................................... 61

CKE Truth Table ........................................................................................................................................ 65

Simplified State Diagram .............................................................................................................................66

RESET and Initialization Procedure ............................................................................................................67

Power-Up and Initialization Sequence ....................................................................................................... 67

Reset and Initialization with Stable Power ................................................................................................. 68

Programming the Mode Register.................................................................................................................69

Mode Register Set Command Cycle Time (tMRD) ....................................................................................69

MRS Command to Non-MRS Command Delay (tMOD) ............................................................................ 69

DDR3 SDRAM Mode Register 0 [MR0] ..................................................................................................... 70

DDR3 SDRAM Mode Register 1 [MR1] ..................................................................................................... 71

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