JEDEC
STANDARD
Low Power Double Date Rate 4
(LPDDR4)
JESD209-4B
(Revision of JESD209-4A, November 2015)
FEBRUARY 2017
JEDEC SOLID STATE TECHNOLOGY ASSOCIATION
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JEDEC Standard No. 209-4B
Page 1
LOW POWER DOUBLE DATA RATE (LPDDR) 4
From JEDEC Board Ballot JCB-16-51, formulated under the cognizance of the JC-42.6 Subcommittee on
Low Power Memories.)
1
Scope
This document defines the LPDDR4 standard, including features, functionalities, AC and DC
characteristics, packages, and ball/signal assignments. The purpose of this specification is to define the
minimum set of requirements for a JEDEC compliant 16 bit per channel SDRAM device with either one or
two channels. LPDDR4 dual channel device density ranges from 4 Gb through 32 Gb and single channel
density ranges from 2 Gb through 16 Gb. This document was created using aspects of the following
standards: DDR2 (JESD79-2), DDR3 (JESD79-3), DDR4 (JESD79-4), LPDDR (JESD209), LPDDR2
(JESD209-2) and LPDDR3 (JESD209-3).
Each aspect of the standard was considered and approved by committee ballot(s). The accumulation of
these ballots was then incorporated to prepare the LPDDR4 standard.
2
Package ballout and Pin definition
JEDEC Standard No. 209-4B
Page 2
Pad Order
141 VDD2
142 CKE_B
143 CS_B
144 VSS
145 CA1_B
146 CA0_B
147 VDD2
148 ODT(ca)_B
149 VSS
150 VDD1
151 VSSQ
152 DQ7_B
153 VDDQ
154 DQ6_B
155 VSSQ
156 DQ5_B
157 VDDQ
158 DQ4_B
159 VSSQ
160 DMI0_B
161 VDDQ
162 DQS0_c_B
163 DQS0_t_B
164 VSSQ
165 DQ3_B
166 VDDQ
167 DQ2_B
168 VSSQ
169 DQ1_B
170 VDDQ
171 DQ0_B
172 VSSQ
173 VSS
174 VDD2
175 VDD1
176 VSS
177 VDD2
Ch. B Bottom
2.1
2.1.1 Pad Order for dual channel
Ch. A Top
1
VDD2
2
VSS
3
VDD1
4
VDD2
5
VSS
6
VSSQ
7 DQ8_A
8
VDDQ
9 DQ9_A
10 VSSQ
11 DQ10_A
12 VDDQ
13 DQ11_A
14 VSSQ
15 DQS1_t_A
16 DQS1_c_A
17 VDDQ
18 DMI1_A
19 VSSQ
20 DQ12_A
21 VDDQ
22 DQ13_A
23 VSSQ
24 DQ14_A
25 VDDQ
26 DQ15_A
27 VSSQ
28 ZQ
29 VDDQ
30 VDD2
31 VDD1
32 VSS
33 CA5_A
34 CA4_A
35 VDD2
36 CA3_A
37 CA2_A
38 VSS
39 CK_c_A
40 CK_t_A
NOTE 1 Applications are recommended to follow bit/byte assignments. Bit or Byte swapping at the application level
requires review of MR and calibration features assigned to specific data bits/bytes.
Ch. B Top
101 VDD2
102 VSS
103 VDD1
104 VDD2
105 VSS
106 VSSQ
107 DQ8_B
108 VDDQ
109 DQ9_B
110 VSSQ
111 DQ10_B
112 VDDQ
113 DQ11_B
114 VSSQ
115 DQS1_t_B
116 DQS1_c_B
117 VDDQ
118 DMI1_B
119 VSSQ
120 DQ12_B
121 VDDQ
122 DQ13_B
123 VSSQ
124 DQ14_B
125 VDDQ
126 DQ15_B
127 VSSQ
128 RESET_n
129 VDDQ
130 VDD2
131 VDD1
132 VSS
133 CA5_B
134 CA4_B
135 VDD2
136 CA3_B
137 CA2_B
138 VSS
139 CK_c_B
140 CK_t_B
41 VDD2
42 CKE_A
43 CS_A
44 VSS
45 CA1_A
46 CA0_A
47 VDD2
48 ODT(ca)_A
49 VSS
50 VDD1
51 VSSQ
52 DQ7_A
53 VDDQ
54 DQ6_A
55 VSSQ
56 DQ5_A
57 VDDQ
58 DQ4_A
59 VSSQ
60 DMI0_A
61 VDDQ
62 DQS0_c_A
63 DQS0_t_A
64 VSSQ
65 DQ3_A
66 VDDQ
67 DQ2_A
68 VSSQ
69 DQ1_A
70 VDDQ
71 DQ0_A
72 VSSQ
73 VSS
74 VDD2
75 VDD1
76 VSS
77 VDD2
Ch. A Bottom
NOTE 2 Additional pads are allowed for DRAM mfg-specific pads (“DNU”), or additional power pads as long as the
extra pads are grouped with like-named pads.
Pad Order (cont’d)
2.1
2.1.2 Pad Order for single channel
JEDEC Standard No. 209-4B
Page 3
VDDQ
VDD2
VSS
VDD1
VDD2
VSS
VSSQ
TOP
1
2
3
4
5
6
7 DQ8
8
9 DQ9
10 VSSQ
11 DQ10
12 VDDQ
13 DQ11
14 VSSQ
15 DQS1_t
16 DQS1_c
17 VDDQ
18 DMI1
19 VSSQ
20 DQ12
21 VDDQ
22 DQ13
23 VSSQ
24 DQ14
25 VDDQ
26 DQ15
27 VSSQ
28 ZQ
29 VDDQ
30 VDD2
31 RESET_n
32 VDD1
33 VSS
34 CA5
35 CA4
36 VDD2
37 CA3
38 CA2
39 VSS
40 CK_c
41 CK_t
42 VDD2
43 CKE
44 CS
45 VSS
46 CA1
47 CA0
48 VDD2
49 ODT(ca)
50 VSS
51 VDD1
52 VSSQ
53 DQ7
54 VDDQ
55 DQ6
56 VSSQ
57 DQ5
58 VDDQ
59 DQ4
60 VSSQ
61 DMI0
62 VDDQ
63 DQS0_c
64 DQS0_t
65 VSSQ
66 DQ3
67 VDDQ
68 DQ2
69 VSSQ
70 DQ1
71 VDDQ
72 DQ0
73 VSSQ
74 VSS
75 VDD2
76 VDD1
77 VSS
78 VDD2
Bottom
NOTE 1 Applications are recommended to follow bit/byte assignments. Bit or Byte swapping at the application level
requires review of MR and calibration features assigned to specific data bits/bytes.
NOTE 2 Additional pads are allowed for DRAM mfg-specific pads (“DNU”), or additional power pads as long as the
extra pads are grouped with like-named pads.
NOTE 3 A RESET_n pad is added. The RESET_n pad location is vendor specific. See vendor device datasheets for
details about RESET_n pad location.
2.2
2.2.1
1
2
Package Ballout
272 ball 15 mm x 15 mm 0.4 mm pitch, Quad-Channel POP FBGA (top view) Using Variation VFFCDB for MO-273
35
12
11
10
17
18
19
23
24
26
27
28
33
34
30
13
21
22
25
32
15
31
14
16
20
29
6
7
8
9
3
4
5
36
DNU
VSS
P
a
g
e
4
t
J
E
D
E
C
S
a
n
d
a
r
d
N
o
.
2
0
9
-
4
B
VSS
VSS
VSS
VSS
VSS
VSS
VSS
DNU
VDD2
VDD1
VDDQ
VDDQ
CS1_a
CA0_a
CS0_a
DQ0_a
DQ2_a
DQ7_a
DQ4_a
DQ6_a
CK_t_a
DMI0_a
CK_c_a
ODTca_a
A
B
C CA2_a
D VDD2
E CKE0_a
F CKE1_a
G VDD2
H CA1_a
J
K
L
M DQ5_a
N VDDQ
P DQS0_c_a
R DQ3_a DQS0_t_a
T
U DQ1_a
V
W DQ0_b
Y DQ1_b
AA VDDQ
AB DQ3_b DQS0_t_b
AC DQS0_c_b
AD VDDQ
AE DQ5_b
AF DQ6_b
AG VDDQ
AH CA0_b
AJ
AK VDD2
AL CKE1_b
AM CKE0_b
AN VDD2
AP CA2_b
AR VSS
AT
ODTca_b
CK_c_b
DMI0_b
CK_t_b
DQ4_b
DQ2_b
DQ7_b
CS0_b
CA1_b
CS1_b
VDD2
VDD2
DNU
VSS
VSS
VSS
VSS
VSS
VSS
VDD1 CA4_a VDDQ ZQ1_a
VDDQ DQ15_a VDD2 DQ13_a VDD2 DMI1_a
VDDQ DQS1_c_a VDDQ DQ10_a
VSS
DQ8_a DQ0_c
VDD1 DQ2_c VDDQ DQS0_c_c
VDDQ
DQ4_c
VDD2 DQ5_c
VDD2 DQ7_c
VDDQ
CA0_c VDDQ CS1_c VDD1
VSS
CA3_a
VSS
CA5_a
VSS
ZQ0_a
VSS DQ14_a
VSS DQ12_a
VSS
DQS1_t_a
VSS
DQ11_a
VSS
DQ9_a
VDD2
VSS
DQ1_c
VSS
DQ3_c
VSS
DQS0_t_c
VSS
DMI0_c
VSS
DQ6_c
VSS
ODTca_c
VSS
CA1_c
VSS
CS0_c
VDD2
VDD1
VDD2
VDDQ
VSS
CK_t, CK_c
DMI
DQ, CA, CS,
DNU, NC
DQS_t, DQS_c
RESET_n, ZQ,
NOTE 1 15 mm x 15 mm, 0.4 mm pitch.
NOTE 2 272 ball count, 36 rows.
NOTE 3 Top View, A1 in top left corner.
NOTE 4 ODT(ca)_[x] balls are wired to ODT(ca)_[x] pads of Rank 0 DRAM die. ODT(ca)_[x] pads for other
ranks (if present) are disabled in the package.
NOTE 5 Package Channel a and Channel c shall be assigned to die Channel A of different DRAM die.
NOTE 6 Die pad VSS and VSSQ signals are combined to VSS package balls.
NOTE 7 Package requires dual channel die or functional equivalent of single channel die-stack.
CKE0_c
CKE1_c
CK_t_c
VDD2
VSS
CK_c_c
CA2_c
CA3_c
CA4_c
VDD2
VSS
CA5_c
ZQ0_c
ZQ1_c
DQ15_c
VDDQ
VSS
DQ14_c
DQ12_c
DQ13_c
DMI1_c
VDDQ
VSS
DQS1_c_c
DQS1_t_c DQ11_c
DQ10_c
VDDQ
VSS
DQ9_c
DQ8_c
VDD1
VDD2
DQ8_d
VSS
DQ9_d
DQ10_d
VDDQ
DQS1_t_d DQ11_d
VSS
DQS1_c_d
DMI1_d
VDDQ
DQ12_d
DQ13_d
VSS
DQ14_d
DQ15_d
VDDQ
NC
NC
VSS
CA5_d
CA4_d
VDD2
CA2_d
CA3_d
VSS
CK_c_d
CK_t_d
VDD2
CKE0_d
CKE1_d
CA3_b
VSS
CA5_b
VDD1 CA4_b VDDQ
VSS RESET_n VSS DQ14_b
VSS
DMI1_b
VSS
DQS1_t_b
VSS
DQ11_b
VSS
DQ9_b
VDD2
VSS
DQ1_d
VSS
DQ3_d
VSS
DQS0_t_d
VSS
DQ4_d
VSS
DQ6_d
VSS
ODTca_d
VSS
CA1_d
VSS
CS0_d
VDD2
NC
VDDQ DQ15_b VDD2 DQ13_b VDD2 DQ12_b
VDDQ DQS1_c_b VDDQ DQ10_b
VSS
DQ8_b DQ0_d
VDD1 DQ2_d VDDQ DQS0_c_d
VDDQ
DMI0_d VDD2 DQ5_d
VDD2 DQ7_d
VDDQ
CA0_d VDDQ CS1_d VDD1
VSS
VSS
DNU