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PDF W989D6DB Data sheet ( Hoja de datos )

Número de pieza W989D6DB
Descripción 512Mb Mobile LPSDR
Fabricantes Winbond 
Logotipo Winbond Logotipo



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No Preview Available ! W989D6DB Hoja de datos, Descripción, Manual

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

1 page




W989D6DB pdf
4. BALL CONFIGURATION
4.1 Ball Assignment: LPSDR x16
W989D6DB / W989D2DB
Top View
123456789
A
VSS DQ15 VSSQ
B
DQ14 DQ13 VDDQ
C
DQ12 DQ11 VSSQ
D
DQ10 DQ9 VDDQ
E
DQ8 NC VSS
F
UDQM CLK CKE
G
A12 A11 A9
H
A8 A7 A6
J
VSS A5
A4
VDDQ DQ0 VDD
VSSQ DQ2 DQ1
VDDQ DQ4 DQ3
VSSQ DQ6 DQ5
VDD LDQM DQ7
/CAS /RAS /WE
BA0 BA1 /CS
A0 A1 A10
A3 A2 VDD
Publication Release Date: Mar. 19, 2014
- 5 - Revision: A01-001

5 Page





W989D6DB arduino
W989D6DB / W989D2DB
7.1.2 Functional Truth Table (See Note 1)
Current
State
Idle
Row active
Read
CS RAS CAS W E Address
Command
Action
HXXX
X
DSL Nop
L HHX
X
NOP/BST Nop
L H L H BA, CA, A10 READ/READA ILLEGAL
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
L LHH
BA, RA
ACT
Row activating
L L H L BA, A10 PRE/PREA Nop
L L L H X AREF/SELF Refresh or Self refresh
L L L L Op-Code MRS/EMRS Mode register accessing
HXXX
X
DSL Nop
L HHX
X
NOP/BST Nop
L H L H BA, CA, A10 READ/READA Begin read: Determine AP
L H L L BA, CA, A10 WRIT/WRITA Begin write: Determine AP
L LHH
BA, RA
ACT
ILLEGAL
L L H L BA, A10 PRE/PREA Precharge
L L L H X AREF/SELF ILLEGAL
L L L L Op-Code MRS/EMRS ILLEGAL
HXXX
X
DSL Continue burst to end
L HHH
X
NOP
Continue burst to end
L HH L
X
BST Burst stop
L
H
L
H
BA, CA, A10
READ/READA
Term burst, new read: Determine
AP
L
H
L
L
BA, CA, A10
WRIT/WRITA
Term burst, begin write:
Determine AP
L LHH
BA, RA
ACT
ILLEGAL
L LHL
BA, A10
PRE/PREA Term burst, precharging
L L L H X AREF/SELF ILLEGAL
L L L L Op-Code MRS/EMRS ILLEGAL
HXXX
X
DSL Continue burst to end.
L HHH
X
NOP
Continue burst to end
L HH L
X
BST Burst stop, row active
L
H
L
H
BA, CA, A10
READ/READA
Term burst, start read: Determine
AP
Write
L
H
L
L
BA, CA, A10
WRIT/WRITA
Term burst, new write: Determine
AP
L LHH
BA, RA
ACT
ILLEGAL
L LHL
BA, A10
PRE/PREA Term burst. precharging
L L L H X AREF/SELF ILLEGAL
L L L L Op-Code MRS/EMRS ILLEGAL
Notes
3
3
2
2
4
4
3
5
6
6, 7
3
6, 7
6
3
8
- 11 -
Publication Release Date: Mar. 19, 2014
Revision: A01-001

11 Page







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