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EM6AA320 데이터시트 PDF




Etron Technology에서 제조한 전자 부품 EM6AA320은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 EM6AA320 자료 제공

부품번호 EM6AA320 기능
기능 8M x 32 DDR SDRAM
제조업체 Etron Technology
로고 Etron Technology 로고


EM6AA320 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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EM6AA320 데이터시트, 핀배열, 회로
EtronTech
Revision History
EM6AA320
Revision 0.6(May, 2006) Preliminary Spec
Delete confidential wording.
Revision 0.5(May, 2003) Preliminary Spec
Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.8V spec.
Revision 0.4(May, 2003) Preliminary Spec
Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.5V spec.
Revision 0.3(March, 2003) Preliminary Spec
Separated pure VDD/VDDQ=2.8V spec for graphics application.
Revision 0.2(March, 2003) Preliminary Spec
Separated pure VDD/VDDQ=2.5V spec for mobile PC graphics application.
Initially defined VDD=VDDQ=2.5V 275MHz(-3.6ns) preliminary specification.
Combined VDD=VDDQ=2.5V 200MHz(-5ns) and 250MHz(-4ns) specification from rev. 0.1 for both
2.8V and 2.5V.
Revision 0.1(February, 2003) Preliminary Spec
Defined EM6AA320BI-3.6(275MHz).
Added special code “M” in EM6AA320BI-4M for indicating 2.5V power supply.
Added special code “M” in EM6AA320BI-5M for indicating 2.5V power supply.
Removed EM6AA320BI-3.5(285MHz).
Revised the DC current of IDD2P, IDD2N, IDD3P, IDD3N, IDD4R and IDD4W for all speed grade.
Revision 0.0(July, 2002) Preliminary Spec
Initially defined target specification.




EM6AA320 pdf, 반도체, 판매, 대치품
EtronTech
Block Diagram
8Mx32 DDR SDRAM
EM6AA320
CK
CK#
CKE
CS#
RAS#
CAS#
WE#
DLL
CLOCK
BUFFER
COMMAND
DECODER
A8/AP
COLUMN
COUNTER
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
A0 ADDRESS
BUFFER
A10
A11
BA0
BA1
REFRESH
COUNTER
DQS0~3
DATA
STROBE
BUFFER
DQ0
DQ31
DQ
BUFFER
DM0~3
Column Decoder
De
co 4096 X 512 X 32
de
Rr o
w
CELL ARRAY
(BANK #0)
Sense Amplifier
Sense Amplifier
De
co
4096 X 512 X 32
de CELL ARRAY
Rr o (BANK #1)
w
Column Decoder
Column Decoder
De
co
4096 X 512 X 32
de CELL ARRAY
Rr o
w
(BANK #2)
Sense Amplifier
Sense Amplifier
De
co
4096 X 512 X 32
de CELL ARRAY
Rr o
w
(BANK #3)
Column Decoder
4
Rev 0.6
May 2006

4페이지










EM6AA320 전자부품, 판매, 대치품
EtronTech
8Mx32 DDR SDRAM
EM6AA320
Mode Register Set (MRS)
The mode register is divided into various fields depending on functionality.
Burst Length Field (A2, A1, A0)
This field specifies the data length of column access and selects the Burst Length.
Addressing Mode Select Field (A3)
The Addressing Mode can be Interleave Mode or Sequential Mode. Both Sequential Mode and
Interleave Mode support burst length of 2, 4 and 8. Full page burst length is only for Sequential mode.
CAS# Latency Field (A6, A5, A4)
This field specifies the number of clock cycles from the assertion of the Read command to the first
read data. The minimum whole value of CAS# Latency depends on the frequency of CK. The
minimum whole value satisfying the following formula must be programmed into this field.
tCAC(min) CAS# Latency X tCK
Test Mode field :A7; DLL Reset Mode field : A8
These two bits must be programmed to "00" in normal operation.
( BA0, BA1)
Mode Resistor Bitmap
BA1 BA0 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
0 Mode RFU must be set to “0” DLL TM CAS Latency BT Burst Lenght
BA0 Register Mode
0 MRS
1 EMRS
A8 A7
Mode
0 0 Normal
1 0 Reset DLL
0 1 Test Mode
A3 Type
0 Sequential
1 Interleave
A6 A5 A4
CAS Latency
0 10
Reserved
0 11
3 clocks
1 00
4 clocks
1 01
5 clocks
All other Reserved
A2 A1 A0
Burst Length
001
2
010
4
011
8
1 1 1 Full Page (Sequential)
All other Reserved
Burst Definition, Addressing Sequence of Sequential and Interleave Mode
Burst Length
2
4
8
Start Address
A2 A1 A0
XX0
XX1
X00
X01
X10
X11
000
001
010
011
100
101
110
111
Sequential
0, 1
1, 0
0, 1, 2, 3
1, 2, 3, 0
2, 3, 0, 1
3, 0, 1, 2
0, 1, 2, 3, 4, 5, 6, 7
1, 2, 3, 4, 5, 6, 7, 0
2, 3, 4, 5, 6, 7, 0, 1
3, 4, 5, 6, 7, 0, 1, 2
4, 5, 6, 7, 0, 1, 2, 3
5, 6, 7, 0, 1, 2, 3, 4
6, 7, 0, 1, 2, 3, 4, 5
7, 0, 1, 2, 3, 4, 5, 6
Interleave
0, 1
1, 0
0, 1, 2, 3
1, 0, 3, 2
2, 3, 0, 1
3, 2, 1, 0
0, 1, 2, 3, 4, 5, 6, 7
1, 0, 3, 2, 5, 4, 7, 6
2, 3, 0, 1, 6, 7, 4, 5
3, 2, 1, 0, 7, 6, 5, 4
4, 5, 6, 7, 0, 1, 2, 3
5, 4, 7, 6, 1, 0, 3, 2
6, 7, 4, 5, 2, 3, 0, 1
7, 6, 5, 4, 3, 2, 1, 0
7
Rev 0.6
May 2006

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부품번호상세설명 및 기능제조사
EM6AA320

8M x 32 DDR SDRAM

Etron Technology
Etron Technology

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