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Understanding the Most Advanced
Future Mobile DRAM Solutions
Mueez Deen, Mobile Marketing
Hank Lai, Mobile Product Planning
Samsung Semiconductor Inc.

JEDEC at CES 2014
Copyright © 2014 SAMSUNG
What’s Driving Mobile Data Consumption
Smartphone

Tablet

% Data Consumption

% Data Consumption

Video / Communications

45%

50%

Information

12%

17%

Web Browsing

6%

7%

Social Networking

7%

3%

Music/Audio Streaming

4%

3%

System

16%

13%

Other

10%

7%

Source: Cisco Data Meter, Sep 2012–Dec 2012
Average Mobile user; Traffic per Month
2017

2012

201 MB

2.0 GB

Traffic/month

Traffic/month

1 Hour of Video

10 Hours of Video

2 Hours of Audio

15 Hours of Audio

1 Video call

5 Video calls

1 App Download

15 App Downloads

10X

Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017

5X

15X
Global Mobile Data Traffic
66% CAGR 2012–2017
12

11.2 EB

Exabytes per Month

10

13X

8

7.4 EB

6
4.7 EB

4
2.8 EB

2

1.6 EB
0.9 EB

0

2012

2013

2014

2015

Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017

2016

2017
Global Mobile Data Traffic,
by Category
66% CAGR 2012–2017

12
Mobile File Sharing (3.5%)

Exabytes per Month

10

Mobile M2M (5.1%)
Mobile Web/Data (24.9%)

8
6

Mobile Video (66.5%)
Figures (n) refer to
2017 traffic share

Video
is
2/3rd

4
2
0

2012

2013

2014

2015

ource: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017

2016

2017
FaceTime Data Usage Study
Key Findings

Data Usage

Devices

• 3.4 MB per minute average
data consumption across all
device and network types

• iPhone 5: 75% higher data
consumption than iPhone 4
over Wi-Fi
• Nearly 20% higher on mobile

Network Technology
• Wi-Fi data consumption up to
3X greater than cell network
• Less than 10% difference in
3G and 4G data consumption
Source: Cisco Analysis, 2013
10

4%

2-2.5G

Exabytes per Month

3-3.5G

8

4G

51%

6

4
45%

2

10%
76%
14%
0
2012

2013

2014

2015

2016

2017

Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017
© 2013 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

7
Smartphone Market
Mobile phone shipments will total 1,677M in 2014
Smartphone segment will grow by 15% to 1,154M – representing 67% of total shipments
Strong smartphone demand expected due to increased cannibalization of feature phones in
emerging markets

18%

40%

(62%)

7%

2%

2%

5%

(51%)

0.3

7%
(34%)
1,459

1,677

1,638

1,566

1.0
0.7

(9%)

(15%)

(42%)

(60%)

5%

1.2

0.4

1,757

1,235

17%

13.7

291
(22%)

470
(32%)

710
(45%)

1005
(61%)

1.5

1,154
(69%)

1,260
(72%)
7.3

9.9

10.8

11.3

16
Tablet Market
Tablet shipments will grow 29% to 285M in 2014
Tablet market growth continues, especially in the low-end segment

Tablet average memory content grows 10% to 21.9GB/sys in 2014

57%

38%

2.1

1.5

261%
142%
55%

0.6

29%

1.0

1.0

27%

363
285
221
-5%

31.4

25.4

138
21.9

23.0

59
WB
30

WB
66

WB
89

WB
70

20.0
Performance Improves But Power Still An Issue
Smartphone performance exploding  Battery capacity not keeping up
2010
Cellular

2~5Mbps

Wi-Fi

(vs. 2010)
x20

150~300Mbps

x30
Key Mobile Memory Requirements

(B/W)

2020
50~100Mbps

7Gbps

 Faster Performance & More Capability
Display
720p
4,000p
x17
 While Maintaining Low Power Consumption

(Resolution)

Video

720p H.264

x34

4Kp H.265

Battery

5.76W/h

x2.2

13W/h

(Resolution)

Source : ARM
What’s Next for Mobile: Wearable Devices?
Smartphones & Tablets still in early stage, but see strong
onset of wearables and potential for future devices
•
•
•
•
•
•

Sensor Enabled
Environment-Aware
Hands-Free, Easy Access
Always On/Always Connected
Development Platforms
Wider Markets/Applications

. . . And they all need Flash
Mobile DRAM Technology Trend
•

Strong demand for high speed/bandwidth Mobile DRAM
–

Double the bandwidth every other year : LP2(‘11)  LP3(‘13)  LP4(‘15)

GB/s
LPDDR4x128
~3200Mbps

38.4
51.2

WIO2x512
~800Mbps
LPDDR4Ex64
~4266Mbps

LPDDR3x128
~1600Mbps

25.6
LPDDR2x128
~1066bps

12.8

LPDDR4x64
~3200Mbps

LPDDR3Ex64
~1866Mbps

LPDDR3x64
~1600Mbps
LPDDR2x64
~1066Mbps

LPDDR3x32
~1600Mbps

LPDDR2x32
~800Mbps

0
2012

LPDDR3Ex32
~1866Mbps

2013

* Platform MP : 3~6month later

2014

2015
LPDDR4 Key Features
 Evolutionary DRAM technology enables 3.2Gbps and faster
Items

LPDDR4

Comments

CLK

400-800MHz
(~1066MHz w/ LP3E)

800-1600MHz

2X,
Pursues higher
speed

CMD/ADDR

DDR

SDR

-

DQ

DDR

DDR

Band Width

12.8GB/s+ (2ch)

25.6GB/s+ (2ch)

2X

Voltage

VDD2/VDDQ/VDD1

1.2/1.2/1.8

1.1/1.1/1.8

Total Pd 10%↓

Architecture

[# o Ch & DQs]/ Die
# of Bank/channel
Page Size
BL

x32
8
4K
8

2x16
8
2K
16

IDD4 20% ↓
IDD0 10%↓
32B/ch

I/O interface

HSUL

LVSTL

DQ ODT

No term
(VDDQterm option)

VSSQ Term

40% I/O power
reduction
(vs. POD)

CA ODT

No term

VSSterm

Optional

Vref

External

Internal

Speed

Interface

LPDDR3
LPDDR4 - Innovative Interface LVSTL
LVSTL (Low Voltage Swing Terminated Logic)
•
•
•
•
•

High frequency operation with less IO power consumption
No DC power consumption when driving “low”
Lower Cio, small Xtalk and SSN, because of small swing
Stronger reference plane
Easy voltage scaling
LPDDR4 LVSTL

I/O Power by Interfaces

(mW/Gbps/pin)

VDDQ
VOH

32%

10
8
6
4
2
0

40%

CTT

POD_VDDQ

LVSTL_VSSQ

DDR3

DDR4

LPDDR4
LPDDR4 3.2Gbps and Beyond
LPDDR4 LVSTL enables stable 3.2Gbps with 70% UI
• Initial SI study result shows prominent 4.3Gbps
with 60% UI @ 350mV swing
• Further enhancement by reducing trace length, optimizing
channel - SOC/PKG/DRAM and lower Cio
3.2Gbps Data Eye Diagram (ODT=60ohm)

4.3Gbps Data Eye Diagram (ODT=60ohm)

218
Over 70%

Source : Samsung

140
Over 60%

Source : Samsung memory DRAM Design Team (Feb’13)
Power Efficiency by Enhanced Architecture
 Core power reduction by adopting advanced
low power-friendly architecture
Low Power 32-bit Architecture

Access Granularity & Page-size/Ch
BL8
x32

32Byte

LPDDR3 : Activated Page 4KB(1Kx32)

BL16

32Byte

x16
x16

LPDDR4 : Activated Page 2KB(1Kx16)

~20% IDD4 reduction

~10% IDD0 reduction
Power Efficiency by DRAM Technology
 More than 40% power efficiency improvement by
adopting new architecture, circuits and low VDD
DDR4

mW/GB

ODT
I/O
Core

-40%

LP3_1600
12.8GB/s
Source : Samsung

LP3_1866
14.6GB/s

LP3_2133
17GB/s

LP3_4Ch

LP4
25.6GB/s

WIO2
Power Saving with Advanced Technology
 LPDDR4 consumes much less power than LPDDR3
for performing certain tasks
Active

Power

Standby

LPDDR3

Time
Power

Active
Standby

LPDDR4

Time

Power(Area)@LP4 << Power@LP3
Summary
• Mobile devices continue to demand higher
performance without sacrificing battery life
• LPDDR4 is the most power efficient
(mW/GBps) memory that will meet these
demands handily

• Please plan to design your next generation
devices with LPDDR4!

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Understanding the Most Advanced Future Mobile DRAM Solutions

  • 1. Understanding the Most Advanced Future Mobile DRAM Solutions Mueez Deen, Mobile Marketing Hank Lai, Mobile Product Planning Samsung Semiconductor Inc. JEDEC at CES 2014 Copyright © 2014 SAMSUNG
  • 2. What’s Driving Mobile Data Consumption Smartphone Tablet % Data Consumption % Data Consumption Video / Communications 45% 50% Information 12% 17% Web Browsing 6% 7% Social Networking 7% 3% Music/Audio Streaming 4% 3% System 16% 13% Other 10% 7% Source: Cisco Data Meter, Sep 2012–Dec 2012
  • 3. Average Mobile user; Traffic per Month 2017 2012 201 MB 2.0 GB Traffic/month Traffic/month 1 Hour of Video 10 Hours of Video 2 Hours of Audio 15 Hours of Audio 1 Video call 5 Video calls 1 App Download 15 App Downloads 10X Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017 5X 15X
  • 4. Global Mobile Data Traffic 66% CAGR 2012–2017 12 11.2 EB Exabytes per Month 10 13X 8 7.4 EB 6 4.7 EB 4 2.8 EB 2 1.6 EB 0.9 EB 0 2012 2013 2014 2015 Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017 2016 2017
  • 5. Global Mobile Data Traffic, by Category 66% CAGR 2012–2017 12 Mobile File Sharing (3.5%) Exabytes per Month 10 Mobile M2M (5.1%) Mobile Web/Data (24.9%) 8 6 Mobile Video (66.5%) Figures (n) refer to 2017 traffic share Video is 2/3rd 4 2 0 2012 2013 2014 2015 ource: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017 2016 2017
  • 6. FaceTime Data Usage Study Key Findings Data Usage Devices • 3.4 MB per minute average data consumption across all device and network types • iPhone 5: 75% higher data consumption than iPhone 4 over Wi-Fi • Nearly 20% higher on mobile Network Technology • Wi-Fi data consumption up to 3X greater than cell network • Less than 10% difference in 3G and 4G data consumption Source: Cisco Analysis, 2013
  • 7. 10 4% 2-2.5G Exabytes per Month 3-3.5G 8 4G 51% 6 4 45% 2 10% 76% 14% 0 2012 2013 2014 2015 2016 2017 Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017 © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7
  • 8. Smartphone Market Mobile phone shipments will total 1,677M in 2014 Smartphone segment will grow by 15% to 1,154M – representing 67% of total shipments Strong smartphone demand expected due to increased cannibalization of feature phones in emerging markets 18% 40% (62%) 7% 2% 2% 5% (51%) 0.3 7% (34%) 1,459 1,677 1,638 1,566 1.0 0.7 (9%) (15%) (42%) (60%) 5% 1.2 0.4 1,757 1,235 17% 13.7 291 (22%) 470 (32%) 710 (45%) 1005 (61%) 1.5 1,154 (69%) 1,260 (72%) 7.3 9.9 10.8 11.3 16
  • 9. Tablet Market Tablet shipments will grow 29% to 285M in 2014 Tablet market growth continues, especially in the low-end segment Tablet average memory content grows 10% to 21.9GB/sys in 2014 57% 38% 2.1 1.5 261% 142% 55% 0.6 29% 1.0 1.0 27% 363 285 221 -5% 31.4 25.4 138 21.9 23.0 59 WB 30 WB 66 WB 89 WB 70 20.0
  • 10. Performance Improves But Power Still An Issue Smartphone performance exploding  Battery capacity not keeping up 2010 Cellular 2~5Mbps Wi-Fi (vs. 2010) x20 150~300Mbps x30 Key Mobile Memory Requirements (B/W) 2020 50~100Mbps 7Gbps  Faster Performance & More Capability Display 720p 4,000p x17  While Maintaining Low Power Consumption (Resolution) Video 720p H.264 x34 4Kp H.265 Battery 5.76W/h x2.2 13W/h (Resolution) Source : ARM
  • 11. What’s Next for Mobile: Wearable Devices? Smartphones & Tablets still in early stage, but see strong onset of wearables and potential for future devices • • • • • • Sensor Enabled Environment-Aware Hands-Free, Easy Access Always On/Always Connected Development Platforms Wider Markets/Applications . . . And they all need Flash
  • 12. Mobile DRAM Technology Trend • Strong demand for high speed/bandwidth Mobile DRAM – Double the bandwidth every other year : LP2(‘11)  LP3(‘13)  LP4(‘15) GB/s LPDDR4x128 ~3200Mbps 38.4 51.2 WIO2x512 ~800Mbps LPDDR4Ex64 ~4266Mbps LPDDR3x128 ~1600Mbps 25.6 LPDDR2x128 ~1066bps 12.8 LPDDR4x64 ~3200Mbps LPDDR3Ex64 ~1866Mbps LPDDR3x64 ~1600Mbps LPDDR2x64 ~1066Mbps LPDDR3x32 ~1600Mbps LPDDR2x32 ~800Mbps 0 2012 LPDDR3Ex32 ~1866Mbps 2013 * Platform MP : 3~6month later 2014 2015
  • 13. LPDDR4 Key Features  Evolutionary DRAM technology enables 3.2Gbps and faster Items LPDDR4 Comments CLK 400-800MHz (~1066MHz w/ LP3E) 800-1600MHz 2X, Pursues higher speed CMD/ADDR DDR SDR - DQ DDR DDR Band Width 12.8GB/s+ (2ch) 25.6GB/s+ (2ch) 2X Voltage VDD2/VDDQ/VDD1 1.2/1.2/1.8 1.1/1.1/1.8 Total Pd 10%↓ Architecture [# o Ch & DQs]/ Die # of Bank/channel Page Size BL x32 8 4K 8 2x16 8 2K 16 IDD4 20% ↓ IDD0 10%↓ 32B/ch I/O interface HSUL LVSTL DQ ODT No term (VDDQterm option) VSSQ Term 40% I/O power reduction (vs. POD) CA ODT No term VSSterm Optional Vref External Internal Speed Interface LPDDR3
  • 14. LPDDR4 - Innovative Interface LVSTL LVSTL (Low Voltage Swing Terminated Logic) • • • • • High frequency operation with less IO power consumption No DC power consumption when driving “low” Lower Cio, small Xtalk and SSN, because of small swing Stronger reference plane Easy voltage scaling LPDDR4 LVSTL I/O Power by Interfaces (mW/Gbps/pin) VDDQ VOH 32% 10 8 6 4 2 0 40% CTT POD_VDDQ LVSTL_VSSQ DDR3 DDR4 LPDDR4
  • 15. LPDDR4 3.2Gbps and Beyond LPDDR4 LVSTL enables stable 3.2Gbps with 70% UI • Initial SI study result shows prominent 4.3Gbps with 60% UI @ 350mV swing • Further enhancement by reducing trace length, optimizing channel - SOC/PKG/DRAM and lower Cio 3.2Gbps Data Eye Diagram (ODT=60ohm) 4.3Gbps Data Eye Diagram (ODT=60ohm) 218 Over 70% Source : Samsung 140 Over 60% Source : Samsung memory DRAM Design Team (Feb’13)
  • 16. Power Efficiency by Enhanced Architecture  Core power reduction by adopting advanced low power-friendly architecture Low Power 32-bit Architecture Access Granularity & Page-size/Ch BL8 x32 32Byte LPDDR3 : Activated Page 4KB(1Kx32) BL16 32Byte x16 x16 LPDDR4 : Activated Page 2KB(1Kx16) ~20% IDD4 reduction ~10% IDD0 reduction
  • 17. Power Efficiency by DRAM Technology  More than 40% power efficiency improvement by adopting new architecture, circuits and low VDD DDR4 mW/GB ODT I/O Core -40% LP3_1600 12.8GB/s Source : Samsung LP3_1866 14.6GB/s LP3_2133 17GB/s LP3_4Ch LP4 25.6GB/s WIO2
  • 18. Power Saving with Advanced Technology  LPDDR4 consumes much less power than LPDDR3 for performing certain tasks Active Power Standby LPDDR3 Time Power Active Standby LPDDR4 Time Power(Area)@LP4 << Power@LP3
  • 19. Summary • Mobile devices continue to demand higher performance without sacrificing battery life • LPDDR4 is the most power efficient (mW/GBps) memory that will meet these demands handily • Please plan to design your next generation devices with LPDDR4!