Чтобы посмотреть этот PDF файл с форматированием и разметкой, скачайте его и откройте на своем компьютере.
!"
#$%
&'()*
[email protected], www.multicore.ru
!"#$%&'(!)*"+,(-$)./+)0*
(+
14
#$%&'$()*+,,!-&!.#*//,#&0%$!1123
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
"-'!('.#).
((./.#).
"01).
2.3"+.#/!%))
8%44($9"7*():(
#%+;"-$*5""
6*)0,"
3*&6%.%9(+"(
#%)6%+(+,%7
!%4(."$%7*+"(
,%6%.%-""
2.3"+.#/!%))
$"
=$66:
&"-+*.%7
�$*&&"$%7#*
&"-+*.%7
DDR3, DDR3L
?)6(4*+&
."+"@
"
,($)"+*5"0
A7*6"$%7*+"(
4*++:'
8%&.(4%7*,(./+%&,/
,$*&&"$%7#"
&"-+*.%7
�$*&&"$%7#*
DATA LANE
�$*&&"$%7#*
ADDR/CMD
�$*&&"$%7#*
CLK
�$*&&"$%7#*
%6%$+%-%
6",*+"0
DDRx_VREF
*$)*"3
)4+.#.#)5
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
((./.#).
4*++%)
4%#)(+,(
6$"7(4(+:
$(#%)(+4*5""
6%
6%4#.BC(+"B
6*)0,"
DDR
3
#
)"#$%&'()(
1!
7
C*&,"
#*&*BD(@&0
$(*."E*5""
,%6%.%-""
6(C*,+%@
6.*,:
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
"01).
2.3"+.#/!%))
2.1
$67789:;=8&#x 2 =;&#x 2 8;&#x 3 0;?
@6AB;CD9=E;;
F=�GH;
!"#$%&'()*
1892
1!
6%44($9"7*(,
&.(4BD"(
,"6:
6*)0,"
: DDR2, DDR3
, LPDDR2
7
$*E$04+%)
$(9")(
1%E)%9+%
6%4#.BC(+"(
47'
16
$*E$04+:'
)"#$%&'()
3"&+%#
"."
C(,:$F'
8
$*E$04+:'
3"&+%#
A"-+*.:
*4$(&*
,
6$*7.(+"0
"
,*#,%7%@
C*&,%,:
4%.9+:
,$*&&"$%7*,/&0
+*
6(C*,+%@
6.*,(
7
7"4(
4($(7*
�%6%.%-"0
fly
+(
6%44($9"7*(,&0
2;[email protected]
[email protected];8
9=M9
G7A?N
�;@96IN8�
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
2;[email protected]
[email protected];8
9=M9G7A?N
�;@96IN8�
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
2.2
2=IF6J6:8A;8
@6�F6A8AH6
3(#%)(+4():(
7*$"*+,:
$*&6%.%9(+"0
#%)6%+(+,%7
+*
6(C*,+%@
6.*,(
6$"7(4(+:
+*
3"&+%#
2;[email protected]
[email protected]�68A7D8�68
9=M�8O8A;8
@�6F6A8AH6
A=
F8L=HA6P
FJ=H8
$9;�8L=A;8
8$"
"&6%./E%7*+""
8
$*E$04+:'
)"#$%&'()
6*)0,"
47(
)"#$%&'():
$*E)(D*B,&0
+*
7($'+(@
&,%$%+(
6(C*,+%@
6.*,:
47(
+*
+"9+
2.3
+678J;96=A;8
H6F6J6C;;
G.0
4%&,"9(+"0
+*".CH"'
$(E./,*,%7
$(#%)(+4(,&0
6$%7%4",/
)%4(."$%7*+"(
,%6%.%-""
6.*,:
)%4(./
6$%5(&&%$*
4%&,6+*
+*
&*@,(
http://multicore.ru/
'%4(
)%4(."$%7*+"0
+(%I'%4")%
(4",/&0
7
,%)
C,%
8%.%9",(./+:(
(overshoot)
"
%,$"5*,(./+:(
(preshoot)
7:I$%&:
&"-+*.%7
+(
7:'%40,
E*
6$(4(.:
4%6&,"):'
.
8$(4(./+:(
E+*C(+"0
$%7+(@
&"-+*.%7
6$(4&,*7.(+:
7
6
6
&6(5";"#*5""
JESD79
1$()(++%@
IB49(,
(setup
"
hold)
&%%,7(,&
,7(,
&6(5";"#*5""
+*
"&6%./E():(
)"#$%&'():
6*)0,"
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
)4+.#.#)5
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
K(
4%6&#*(,&0
6($(&,*+%7#*
&"-+*.%7
"
DQSx
nDQSx
3.2.3
$6IJ876=H8JSA6IHS
H9=II;[email protected];
I;CA=J6
ADDR/
CMD
CLK
3.2.4
9=II;[email protected]
DATA LANE
1&(
&"-+*.:
7
6$(4(.*'
%4+%-%
DATA
4%.9+:
I:,/
$*E7(4(+:
7
%4+"'
"
,('
9(
&.%0'
&
)"+")*./+:)
"
%4"+*#%7:)
C"&.%)
6($('%4+:'
%,7($&,"@
L*E%$:
)(94
6$%7%4+"#*)"
7+,$"
-$66:
3
,5H,
-4(
H
$*&&,%0+"(
4%
%6%$+%-%
&.%0
.
L*E%$:
)(94
4";
;($(+5"*./+:)
*.%)
"
%&,*./+:)"
&"-+*.*)"
7
-$66(
:
4H.
L*E%$
4%
&"-+*.%7
#%,%$:(
+(
7'%40,
7
-$66
4%.9(+
I:,/
+(
)(+((
4H.
G."+:
&"-+*.%7
7+,$"
#*94%-%
DATA
4%.9+:
I:,/
7:$
7+(+:
&
,%C+%&,/B
0,1
))
.
3*E+"5*
)(94
$*E+:)"
DATA
+(
I%.((
1
))
.
3*E+"5*
)(94
4."+%@
&*)%-%
#%$%,#%-%
DATA
"
,*#,%7:)
&"-+*.%)
DDR
+(
I%.((
))
3.2.5
9=II;[email protected]
ADDR/CMD
1&(
&"-+*.:
7
6$(4(.*'
%4+%-%
DATA
4%.9+:
I:,/
$*E7(4(+:
7
%4+"'
"
,('
9(
&.%0'
&
)"+")*./+:)
"
%4"+*#%7:)
C"&.%)
6($('%4+:'
%,7($&,"@
L*E%$:
)(94
6$%7%4+"#*)"
7+,$"
-$66:
2,53H,
-4(
H
$*&&,%0+"(
4%
%6%$+%-%
&.%0
G."+*
&"-+*.%7
7+,$"
-$66:
$*7+*
4."+(
,*#,%7%-%
&"-+*.*
DDR
0,635
))
3.2.6
9=II;[email protected]
L*E%$:
&"-+*.*
DDR
4%
4$-"'
&"-+*.%7
: 5H,
-4(
$*&&,%0+"(
4%
%6%$+%-%
A"-+*.:
7+,$"
4";
.
6*$:
4%.9+:
I:,/
7:$
7+(+:
&
,%C+%&,/B
0,1
))
.
JID*0
4."+*
&"-+*.*
DDR
+(
4%.9+*
6$(7:H*,/
))
3.2.7
9=II;9
6F69A6C6
F;H=A;G
VREF
J6%$+%(
6",*+"(
DDRx
VREF
4%.9+%
I:,/
7:6%.+(+%
6$%7%4+"#%)
H"$"+%@
+(
)(+((
1
))
"."
6%.
"-%+%)
L*E%$
4%
4$-"'
&"-+*.%7
:
+(
)(+((
))
!"#$%&'()*
"+,(-$*./+*0
1!
3(#%)(+4*5""
6%
,$*&&"$%7#(
DDR3
2.3"+.#/!%))
$"
3.1
-9DFF?
I;CA=J6
A"-+*.:
DDR
"+,($;(@&*
6%4$*E4(.0B,&0
+*
,$"
-$66:
Q=RJ;E=
�689
C9DFF?
#=M=A;8
C9DFF?
*;CA=J?
ADDR, CM
[14:0],
[2:
nRAS, nCAS, nWE
nCS, ODT, CKE , RST
CLK
CK / CKn
DATA LANE0
[7:0]
DM0
DQS0 / nDQS0
DATA LANE1
[15:8]
/ nDQS
DATA LANE2
[23:16]
/ nDQS
DATA LANE3
[31:24]
/ nDQS
3.2
9=II;[email protected]
I;C
A=J6
3,
3.2.1
�)F87=AI
J;A;P
;
H89�;A=E;G
3(#%)(+4():@
")6(4*+&
%4"+%C+:'
6$%7%4+"#%7
: 50
J)
4.0
4";;($(+5"*./+:'
6*$
: 100
J)
G%6%.+",(./+:(
($)"+"$BD"(
$(E"&,%$:
+*
."+"0'
ADDR, CMD
"
DATA
+(
,$(IB,&0
3(#%)(+4(,&0
&,*+*7."7*,/
,($)"+"$
BD"@
$(E"&,%$
+%)"+*.%)
100
J)
)(94
&"-+*.*)"
DDRx_CK
"
DDRx_CKn
7
,%C#(
$*E7(,7.(+"0
&"-+*.*
3.2.2
*=F;96=A;8
7=AA?N
G.0
6$%D(+"0
*&&"$%7#"
4%6&#*(,&0
6($(&,*7.0,/
)(94
&%I%@
&"-+*.:
4*++:'
7+,$"
%4+%@
-$66:
DATA
G%6&#*(,&0
6($(&,*7.0,/
-$66
DATA LANE
)(94
&%I%@
K(
4%6&#*(,&0
6($(&,*7.0,/
&"-+*.:
4*++:'
%,+%&0D"'&0
#
$*E+:)
-$66*)
DATA LANE.
Приложенные файлы
