W989D6DB Datasheet, PDF (1/64 Pages) Winbond – Standard Self Refresh Mode

W989D6DB / W989D2DB
512Mb Mobile LPSDR
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 4
2. FEATURES ................................................................................................................................. 4
3. ORDER INFORMATION ............................................................................................................. 4
4. BALL CONFIGURATION ............................................................................................................ 5
4.1 Ball Assignment: LPSDR x16 ......................................................................................... 5
4.2 Ball Assignment: LPSDR x32 ......................................................................................... 6
5. BALL DESCRIPTION .................................................................................................................. 7
5.1 Signal Description ........................................................................................................... 7
5.2 Addressing Table ............................................................................................................ 8
6. BLOCK DIAGRAM ...................................................................................................................... 9
7. FUNCTIONAL DESCRIPTION.................................................................................................. 10
7.1 Command Function ...................................................................................................... 10
7.1.1
Table 1. Truth Table (Note (1) and (2))...................................................................10
7.1.2
Functional Truth Table (See Note 1) ......................................................................11
7.1.3
Functional Truth Table for CKE ..............................................................................14
7.1.4
Bank Activate Command ........................................................................................15
7.1.5
Bank Precharge Command ....................................................................................15
7.1.6
Precharge All Command ........................................................................................15
7.1.7
Write Command......................................................................................................15
7.1.8
Write with Auto Precharge Command ....................................................................15
7.1.9
Read Command .....................................................................................................15
7.1.10
Read with Auto Precharge Command ....................................................................15
7.1.11
Extended Mode Register Set Command ................................................................16
7.1.12
Mode Register Set Command ................................................................................16
7.1.13
No-Operation Command ........................................................................................16
7.1.14
Burst Stop Command .............................................................................................16
7.1.15
Device Deselect Command ....................................................................................16
7.1.16
Auto Refresh Command .........................................................................................16
7.1.17
Self Refresh Entry Command .................................................................................16
7.1.18
Self Refresh Exit Command ...................................................................................17
7.1.19
Clock Suspend Mode Entry/Power Down Mode Entry Command ..........................17
7.1.20
Clock Suspend Mode Exit/Power Down Mode Exit Command ...............................17
7.1.21
Data Write/Output Enable, Data Mask/Output Disable Command..........................17
8. OPERATION ............................................................................................................................. 17
8.1 Read Operation............................................................................................................. 17
Publication Release Date: Mar. 19, 2014
-1-
Revision: A01-001