User Manuals: Winbond W632GU6NB Series SDRAM Specialty

Manuals and User Guides for Winbond W632GU6NB Series SDRAM Specialty. We have 1 Winbond W632GU6NB Series SDRAM Specialty manual available for free PDF download: General Description Manual

Winbond W632GU6NB Series General Description Manual

Winbond W632GU6NB Series General Description Manual (162 pages)

16M x 8 BANKS x 16 BIT DDR3L SDRAM

Brand: Winbond | Category: Storage | Size: 4 MB

Table of Contents

Table of Contents
1
1 General Description

5
2 Features

5
3 Order Information

6
4 Key Parameters

7
5 Ball Configuration

9
6 Ball Description

10
7 Block Diagram

12
8 Functional Description

13
- Basic Functionality
  13
- RESET and Initialization Procedure
  13
  - Power-Up Initialization Sequence
    13
  - Reset Initialization with Stable Power
    15
- Programming the Mode Registers
  16
  - Mode Register MR0
    18
    
    Burst Length, Type and Order
    19
    
    CAS Latency
    19
    
    Test Mode
    20
    
    DLL Reset
    20
    
    Write Recovery
    20
    
    Precharge PD DLL
    20
  - Mode Register MR1
    21
    
    DLL Enable/Disable
    21
    
    Output Driver Impedance Control
    22
    
    ODT RTT Values
    22
    
    Additive Latency (AL)
    22
    
    Write Leveling
    22
    
    Output Disable
    22
  - Mode Register MR2
    23
    
    Partial Array Self Refresh (PASR)
    24
    
    CAS Write Latency (CWL)
    24
    
    Auto Self Refresh (ASR) and Self Refresh Temperature (SRT)
    24
    
    Dynamic ODT (Rtt_Wr)
    24
  - Mode Register MR3
    25
    
    Multi Purpose Register (MPR)
    25
- No Operation (NOP) Command
  26
- Deselect Command
  26
- DLL-Off Mode
  26
- DLL On/Off Switching Procedure
  27
  - DLL "On" to DLL "Off" Procedure
    27
  - DLL "Off" to DLL "On" Procedure
    28
- Input Clock Frequency Change
  29
  - Frequency Change During Self-Refresh
    29
  - Frequency Change During Precharge Power-Down
    29
- Write Leveling
  31
- Multi Purpose Register
  35
  - MPR Functional Description
    36
  - MPR Register Address Definition
    37
  - Relevant Timing Parameters
    37
  - Protocol Example
    37
- ACTIVE Command
  43
- PRECHARGE Command
  43
- READ Operation
  44
  - READ Burst Operation
    44
  - READ Timing Definitions
    45
    
    READ Timing; Clock to Data Strobe Relationship
    46
    
    READ Timing; Data Strobe to Data Relationship
    47
    
    Tlz(Dqs), Tlz(DQ), Thz(DQS), Thz(DQ) Calculation
    48
    
    Trpre Calculation
    49
    
    Trpst Calculation
    49
    
    Burst Read Operation Followed by a Precharge
    55
- WRITE Operation
  57
  - DDR3L Burst Operation
    57
  - WRITE Timing Violations
    57
    
    Motivation
    57
    
    Data Setup and Hold Violations
    57
    
    Strobe to Strobe and Strobe to Clock Violations
    57
    
    Write Timing Parameters
    57
  - Write Data Mask
    58
  - Twpre Calculation
    59
  - Twpst Calculation
    59
- Refresh Command
  66
- Self-Refresh Operation
  68
- Power-Down Modes
  70
- ZQ Calibration Commands
  78
- On-Die Termination (ODT)
  80
9 Operation Mode

95
- Command Truth Table
  95
- CKE Truth Table
  97
- Simplified State Diagram
  98
10 Electrical Characteristics

99
11 Backward Compatible to 1.5V DDR3 SDRAM VDD/VDDQ Requirements

159
12 Package Specification

161
13 Revision History

162

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