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Annex B, Raw Card B, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Load Reduced DIMM Design Specification

Release Number: 30 		MODULE4.20.27.B Dec 2020

This specification defines the electrical and mechanical requirements for Raw Card B, 288-pin, 1.2 Volt (VDD), Load Reduced, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM LRDIMMs). These DDR4 Load Reduced DIMMs (LRDIMMs) are intended for use as main memory when installed in PCs. Item 2204.24.

Committee(s): JC-45.4

JESD21-C Solid State Memory Documents Main Page

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Annex B, Raw Card B, in 260-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM SO-DIMM Design Specification

Release Number: 26 		MODULE4.20.25.B Jun 2016

This annex defines the electrical and mechanical requirements for Raw Card B, 260-pin, 1.2 Volt (VDD), Small Outline, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM SO-DIMMs). These DDR4 SO-DIMMs are intended for use as main memory when installed in PCs, laptops, and other systems. Item no. 2228.17A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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Annex B, R/C B, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Unbuffered DIMM Design Specification

Release Number: 30A 		MODULE4.20.26.B Dec 2020

This document defines the electrical and mechanical requirements for Raw Card B, 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in PCs. Item 2231.26.

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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Annex B, R/C B, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Registered DIMM Design Specification

Release Number: 30 		MODULE4.20.28.B Aug 2020

This document defines the electrical and mechanical requirements for Raw Card B, 288-pin, 1.2 Volt (VDD), Registered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM RDIMMs). These DDR4 Registered DIMMs (RDIMMs) are intended for use as main memory when installed in PCs. Committee Item 2149.38a.

Committee(s): JC-45.1

JESD21-C Solid State Memory Documents Main Page

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Annex B, R/C B in 240-Pin PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Registered DIMM Design Specification

 MODULE4.20.20.B May 2011

Release No. 21
 Item 2082.29B, 2082.70, 2082.80, 2082.91

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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Annex AB, R/C AB in 240-Pin PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Registered DIMM Design Specification

 MODULE4.20.20.AB May 2011

Release No. 21
Item 2202.01

Committee(s): JC-45.1

JESD21-C Solid State Memory Documents Main Page

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Annex A, Raw Card A, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Load Reduced DIMM Design Specification

Release Number: 30 		MODULE4.20.27.A Dec 2020

Item No. 2204.22

Committee(s): JC-45.4

JESD21-C Solid State Memory Documents Main Page

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Annex A, R/C A, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Unbuffered DIMM Design Specification

Release Number: 30A 		MODULE4.20.26.A Nov 2020

This document defines the electrical and mechanical requirements for Raw Card A, 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in PCs. Committee Item 2231.38A.

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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Annex A, R/C A, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Registered DIMM Design Specification

Release Number: 30 		MODULE4.20.28.A Aug 2020

This specification defines the electrical and mechanical requirements for Raw Card A, 288-pin, 1.2 Volt (VDD), Registered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM RDIMMs). These DDR4 Registered DIMMs (RDIMMs) are intended for use as main memory when installed in PCs. Item 2149.40a.

Committee(s): JC-45.1

JESD21-C Solid State Memory Documents Main Page

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Annex A, R/C A, in 260-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM SODIMM Design Specification

Release Number: 28 		MODULE4.20.25.A Nov 2018

This document defines the electrical and mechanical requirements for Raw Card A, 260-pin, 1.2 Volt (VDD), Small Outline, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM SODIMMs). These DDR4 SODIMMs are intended for use as main memory when installed in PCs, laptops, and other systems. Item 2228.63.

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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Annex A, R/C A, in 240-Pin, 72 bit-wide, PC3(L)-6400/PC3(L)-8500/PC3(L)-10600/PC3(L)-12800/PC3(L)-14900/PC3(L)-17000 DDR3 SDRAM Load Reduced DIMM Design Specification

 MODULE4.20.24.A Apr 2014

Release No. 24. Item 2192.58B

Committee(s): JC-45.4

JESD21-C Solid State Memory Documents Main Page

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Annex A, R/C A in 240-Pin PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Registered DIMM Design Specification

 MODULE4.20.20.A May 2011

Release No. 21
Item 2082.28B, 2082.69, 2082.78, 2082.90

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Registered DIMM Design Specification

Release Number: 29 		MODULE4.20.28 May 2019

This specification defines the electrical and mechanical requirements for 288-pin, 1.2 Volt (VDD), Registered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM RDIMMs). These DDR4 Registered DIMMs (RDIMMs) are intended for use as main memory when installed in PCs. Item 2149.05E

Committee(s): JC-45.1

JESD21-C Solid State Memory Documents Main Page

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288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Load Reduced DIMM Design Specification

Release Number: 25 		MODULE4.20.27 Aug 2015

Item 2204.07

This specification defines the electrical and mechanical requirements for 288-pin, 1.2 Volt (VDD), Load Reduced, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM LRDIMMs). These DDR4 Load Reduced DIMMs (LRDIMMs) are intended for use as main memory when installed in PCs.

Committee(s): JC-45.4

JESD21-C Solid State Memory Documents Main Page

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288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/ PC4-3200 DDR4 SDRAM Non-Volatile NAND-Flash DIMM Design Specification

Status: RescindedThis document is published as JESD248Release Number: 26 		MODULE4.20.29 Oct 2016

See JESD248

Committee(s): JC-45.6

JESD21-C Solid State Memory Documents Main Page

260-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM SODIMM Design Specification

Release Number: 29 		MODULE4.20.25 Aug 2019

This document defines the electrical and mechanical requirements for 260 pin, 1.2 V (VDD), Small Outline, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM SODIMMs). These DDR4 SODIMMs are intended for use as main memory when installed in PCs, laptops and other systems. This document also contains the DDR4 DIMM Label, Ranks Definition. Item 2224.13A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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240-Pin, 72 bit-wide, PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Registered DIMM Design Specification

 MODULE4.20.23 Dec 2012

Release 22. Item 2082.94A

Committee(s): JC-45.1

JESD21-C Solid State Memory Documents Main Page

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240-Pin, 72 bit-wide, PC3(L)-6400/PC3(L)-8500/PC3(L)-10600/PC3(L)-12800/PC3(L)-14900/PC3(L)-17000 DDR3 SDRAM Load Reduced DIMM Design Specification

 MODULE4.20.24 Apr 2014

Release No. 24. Item 2192.48A

Committee(s): JC-45.4

JESD21-C Solid State Memory Documents Main Page

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240-Pin PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Unbuffered DIMM Design Specification

 MODULE4.20.19 May 2021

Release No. 31. Item 2131.03, 2078.04, 2131.06

This revision contains terminology updates only.

Committee(s): JC-45, JC-45.2, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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240-Pin PC3-6400/PC3-8500/PC3-10600/PC3-12800/PC3-14900/PC3-17000 DDR3 SDRAM Registered DIMM Design Specification

MODULE4.20.20 Feb 2012

Release No. 22. Item 2082.94A

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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240-Pin PC2-6400/PC2-5300/PC2-4200/PC2-3200 DDR2 SDRAM Registered DIMM Design Standard, Rev 4.04.

MODULE4.20.10 Jan 2010

Release No. 19A.  Items 2133.37, 2191.00, 2191.02, 2129.12, 2113.33.

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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240-Pin PC2-5300/PC2-6400 DDR2 SDRAM Unbuffered DIMM Design Specification

 MODULE4.20.13 May 2021

Release 31.  Item 2167.05

This revision contains terminology updates only.

Committee(s): JC-45, JC-45.2, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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214-Pin DDR2 SDRAM Unbuffered MicroDIMM Design Specification

 MODULE4.20.12 Apr 2004

Release No. 14

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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204-Pin EP3-6400/EP3-8500/EP3-10600/EP3-12800 DDR3 SDRAM 72b-SODIMM Design Specification

 MODULE4.20.21.D Aug 2013

Release No. 23
Item 2114.29A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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204-Pin EP3-6400/EP3-8500/EP3-10600/EP3-12800 DDR3 SDRAM 72b-SODIMM Design Specification

 MODULE4.20.21.A May 2011

Release No. 21
Item 2182.01

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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204-Pin EP3-6400/EP3-8500/EP3-10600/EP3-12800 DDR3 SDRAM 72b-SO-DIMM Design Specification

 MODULE4.20.21 Annex C Mar 2013

Release 23. Item 2114.28

Committee(s): JC-45, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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204-Pin EP3-6400/EP3-8500/EP3-10600/EP3-12800 DDR3 SDRAM 72b-SO-DIMM Design Specification

 MODULE4.20.21.B May 2011

Release No. 21
Item 2182.02

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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204-Pin EP3-6400/EP3-8500/EP3-10600/EP3-12800 DDR3 SDRAM 72b-S0-DIMM Design Specification

 MODULE4.20.21 Aug 2012

Release 22. Item 2189.17

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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204-Pin DDR3 SDRAM Unbuffered SODIMM Design Specification

 MODULE4.20.18 May 2014

Release No. 24;

Item 2114.44

Committee(s): JC-45, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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200-Pin DDR2 SDRAM Unbuffered SODIMM Design Specification

 MODULE4.20.11 Jun 2008

Release No. 18. Item 2168.01

Committee(s): JC-45, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP3-3200/EP3-4200/EP3-5300/EP3-6400 Unbuffered 32b-SO-DIMM Design Specification

 MODULE4.20.22.B Aug 2013

Release 23. Item 2227.13

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP3-3200/EP3-4200/EP3-5300/EP3-6400 Unbuffered 32b-SO-DIMM Design Specification

 MODULE4.20.22 Feb 2012

Release 22

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP3-3200/EP3-4200/EP3-5300/EP3-6400 Unbuffered 32b-SO-DIMM Design Specification

 MODULE4.20.22.D Aug 2013

Release 22. Item 2227.09A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP3-3200/EP3-4200/EP3-5300/EP3-6400 Unbuffered 32b-SO-DIMM Design Specification

 MODULE4.20.22.A Dec 2012

Release 22. Item 2227.03A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP3-3200/EP3-4200/EP3-5300/EP3-6400 Unbuffered 32b-SO-DIMM Design Specification

 MODULE4.20.22.C Dec 2012

Release 22. Item 2227.07A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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144-Pin EP2-2100 DDR2 SDRAM 32b S0DIMM Design Specification, Rev 1.0. Item 2043.09.

 MODULE4.20.16 Feb 2007

Release No. 16

Committee(s): JC-45, JC-45.3

JESD21-C Solid State Memory Documents Main Page

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100-Pin DDR SDRAM Unbuffered 32b-DIMM Design Specification

 MODULE4.20.9 Nov 2004

Release No. 14

Committee(s): JC-42, JC-45

JESD21-C Solid State Memory Documents Main Page

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Annex E, R/C E, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Unbuffered DIMM Design Specification

Release Number: 30 		MODULE4.20.26.E Jun 2020

This specification defines the electrical and mechanical requirements for Raw Card E, 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in PCs. Item 2231.17B.

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Unbuffered DIMM Design Specification

Release Number: 29 		MODULE4.20.26 Aug 2019

This specification defines the electrical and mechanical requirements for the 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs are intended for use as main memory when installed in PCs. Item 2241.13A

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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Annex D, Raw Card D, in 260-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM SODIMM Design Specification

Release Number: 31 		MODULE4.20.25.D Mar 2022

This specification defines the electrical and mechanical requirements for Raw Card D, 260-pin, 1.2 Volt (VDD), Small Outline, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM SO-DIMMs). These DDR4 SO-DIMMs are intended for use as main memory when installed in PCs, laptops, and other systems. Item 2228.60.

Committee(s): JC-45.3

JESD21-C Solid State Memory Documents Main Page

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