W9412G6KH Datasheet PDF - Winbond
Part Number | W9412G6KH | |
Description | 2M x 4-BANKS x 16-BITS DDR SDRAM | |
Manufacturers | Winbond | |
Logo | ||
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2M 4 BANKS 16 BITS DDR SDRAM
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 4
2. FEATURES ................................................................................................................................. 4
3. ORDER INFORMATION ............................................................................................................. 4
4. KEY PARAMETERS ................................................................................................................... 5
5. PIN CONFIGURATION ............................................................................................................... 6
6. PIN DESCRIPTION..................................................................................................................... 7
7. BLOCK DIAGRAM ...................................................................................................................... 8
8. FUNCTIONAL DESCRIPTION.................................................................................................... 9
8.1 Power Up Sequence....................................................................................................... 9
8.2 Command Function ...................................................................................................... 10
8.2.1
Bank Activate Command ........................................................................... 10
8.2.2
Bank Precharge Command........................................................................ 10
8.2.3
Precharge All Command............................................................................ 10
8.2.4
Write Command ......................................................................................... 10
8.2.5
Write with Auto-precharge Command........................................................ 10
8.2.6
Read Command ......................................................................................... 10
8.2.7
Read with Auto-precharge Command ....................................................... 10
8.2.8
Mode Register Set Command.................................................................... 11
8.2.9
Extended Mode Register Set Command ................................................... 11
8.2.10 No-Operation Command............................................................................ 11
8.2.11 Burst Read Stop Command ....................................................................... 11
8.2.12 Device Deselect Command ....................................................................... 11
8.2.13 Auto Refresh Command ............................................................................ 11
8.2.14 Self Refresh Entry Command .................................................................... 12
8.2.15 Self Refresh Exit Command....................................................................... 12
8.2.16 Data Write Enable /Disable Command ...................................................... 12
8.3 Read Operation............................................................................................................. 12
8.4 Write Operation............................................................................................................. 13
8.5 Precharge ..................................................................................................................... 13
8.6 Burst Termination.......................................................................................................... 13
8.7 Refresh Operation......................................................................................................... 13
8.8 Power Down Mode ....................................................................................................... 14
8.9 Input Clock Frequency Change during Precharge Power Down Mode........................ 14
8.10 Mode Register Operation.............................................................................................. 14
8.10.1 Burst Length field (A2 to A0)...................................................................... 14
8.10.2 Addressing Mode Select (A3) .................................................................... 15
8.10.3 CAS Latency field (A6 to A4) ..................................................................... 16
8.10.4 DLL Reset bit (A8) ..................................................................................... 16
8.10.5 Mode Register /Extended Mode register change bits (BA0, BA1)............. 16
Publication Release Date: Nov. 17, 2014
Revision: A03
-1-
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W9412G6KH
4. KEY PARAMETERS
SYMBOL
DESCRIPTION
CL = 2
tCK Clock Cycle Time
CL = 2.5
tRAS
tRC
IDD0
IDD1
IDD4R
IDD4W
IDD5
IDD6
CL = 3
Active to Precharge Command Period
Active to Ref/Active Command Period
Operating Current: One Bank Active-Precharge
Operating Current: One Bank Active-Read-Precharge
Burst Operation Current
Burst Operation Current
Auto Refresh Burst current
Self-Refresh Current
MIN/MAX.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Min.
Max.
Max.
Max.
Max.
Max.
Max.
-5/-5I
7.5 nS
12 nS
6 nS
12 nS
5 nS
12 nS
40 nS
50 nS
55 mA
65 mA
120 mA
115 mA
70 mA
2 mA
-6I
7.5 nS
12 nS
6 nS
12 nS
6 nS
12 nS
42 nS
54 nS
50 mA
55 mA
110 mA
100 mA
65 mA
2 mA
Publication Release Date: Nov. 17, 2014
Revision: A03
-5-
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for W9412G6KH electronic component. |
Information | Total 30 Pages | |
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Download | [ W9412G6KH.PDF Datasheet ] |
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