RAM: Difference between revisions

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== Graphics Memory ==
== Graphics Memory ==


The 256MB of GDDR3 memory is located inside the RSX chip using four 64MB Samsung chips.
The 256MB of GDDR3 memory is located inside the RSX chip using four 64MB FBGA chips.
 
 
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Revision as of 04:02, 5 June 2011

Main System Memory

The PS3 has 256MB of 64 bit bus Rambus XDR main system memory. Some models use four 64MB Samsung chips, while other models uses four 64MB Elpida chips.

A sample of the Memory chips in different PS3 models:

Type Size Speed Voltage Packaging Manufacturer Serial Number Description
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Elpida EDX5116ACSE-3C-E 256MB total (4 chips) Initial Models
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Samsung K4Y50164UC-JCB3 256MB total (4 chips) Initial Models
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-100 Samsung K4Y50164UE-JCB3 256MB total (4 chips) CECHG,CECHK
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Elpida X5116ADSE-3C-E 256MB total (4 chips) CECH-20xx
Rambus XDR 128MB 400MHz 1.5V+/-0.075V FBGA-150 Elpida X1032BASE-3C-F 256MB total (2 chips) CECH-21xx and later

Elpida EDX5116ACSE-3C-E

104-ball FBGA
Elpida EDX5116ACSE-3C-E

Datasheet: Elpida EDX5116ACSE

productcode meaning:
E - Elpida Memory
D - Type : Monolithic Device
X - Product Family : XDR RAM
51 - Density : 512M (x16bit)
16 - Organisation : x16bit
A - Supply Voltage : 1.8V, DRSL
C - Die Revision: C
SE - Package : FBGA (with back cover)
-
3C - Speed : 3.2G (tRAC = 35, C Bin)
-
E - Environmental Code : Lead Free


Samsung K4Y50164UC-JCB3

104-ball FBGA
Samsung K4Y50164UC-JCB3

Datasheet: Samsung K4Y50164UC-JCB3

productcode meaning:
K - Samsung Memory
4 - DRAM
Y - Product : XDR RAM
50 - Density : 512M, 32K/16ms(0,49us)
16 - Organisation : x16
4 - Banks : 8
U - Interface : DRSL(1.8V, 1.2V)
C - Generation : 4th
-
J - Packagetype: BOC lead free
C - Temperature & Power: Commercial, Normal Power
B3 - Speed (Data frequency, tRAC, tRC) : 3.2Gbps, 35ns, 24cycles

Samsung K4Y50164UE-JCB3

(CECHG,CECHK)

100-ball FBGA
Samsung K4Y50164UE-JCB3

Datasheet: Samsung K4Y50164UE-JCB3

productcode meaning:
K - Samsung Memory
4 - DRAM
Y - Product : XDR RAM
50 - Density : 512M, 32K/16ms(0,49us)
16 - Organisation : x16
4 - Banks : 8
U - Interface : DRSL(1.8V, 1.2V)
E - Generation : 6th
-
J - Packagetype: BOC lead free
C - Temperature & Power: Commercial, Normal Power
B3 - Speed (Data frequency, tRAC, tRC) : 3.2Gbps, 35ns, 24cycles

Elpida X5116ADSE-3C-E

(CECH-20xx)

104-ball FBGA
Elpida X5116ADSE-3C-E

Datasheet: Elpida X5116ADSE-3C-E

productcode meaning:
X - Product Family : XDR RAM
51 - Density : 512M (x16bit)
16 - Organisation : x16bit
A - Supply Voltage : 1.8V, DRSL
D - Die Revision: D
SE - Package : FBGA (with back cover)
-
3C - Speed : 3.2G (tRAC = 35, C Bin)
-
E - Environmental Code : Lead Free

Elpida X1032BASE-3C-F

(CECH-21xx and later)

Datasheet: E1332E50 (EOL)

productcode meaning:
E - Elpida Memory
D - Type : Monolithic Device
X - Product Family : XDR RAM
13 - Density : 1Gbit (128MB) 32Mbitx32 
32 - Organisation : x32bit
B - Supply Voltage : 1.5V +/- 0.075V, DRSL
A - Die Revision: A
SE - Package : FBGA (with back cover)
-
3C - Speed : 3.2G (tRAC = 35, C Bin)
-
F - Environmental Code : Lead & Halogen Free

Graphics Memory

The 256MB of GDDR3 memory is located inside the RSX chip using four 64MB FBGA chips.

Type Size Speed Voltage Packaging Manufacturer Serial Number Description
GDDR3 64MB (512Mbit) 700MHz 2.0V +/-0.1V FBGA-136 on-die Samsung K4J52324QC-SC14 256MB total (4 chips) for PS3 Graphics Memory
GDDR3 64MB (512Mbit_ 700MHz 2.0V +/-0.1V FBGA-136 on-die Qimonda HYB18H512322AF-14 256MB total (4 chips) for PS3 Graphics Memory (later models)

Samsung K4J52324QC-SC14

FBGA-136 / on-die
Samsung K4J52324QC-SC14
RSX bare die
GPU in centre
4x GDDR3

Datasheet: Samsung K4J52324QC-SC14

productcode meaning:
K - Samsung Memory
4 - DRAM
J - Product : GDDR3 RAM
52 - Density : 512M, 32ms, 8K
32 - Organisation : x32
4 - Banks : 8
Q - Interface : DRSL(1.8V, 1.2V)
C - Generation : 4th
-
S - Packagetype: BOC lead
C - Temperature & Power: Commercial, Normal Power (1.8V +/- 0.1V)
14 - Speed (Data frequency, tRAC, tRC) : 1.4Gbps

Qimonda HYB18H512322AF-14

ball-layout: the same as Samsung K4J52324QC-SC14 datasheet: unavailable

productcode meaning:
H
Y
B
1
8
H
512 - Density : 512M (16M x 32)
32 - Organisation : x32
2
A
F
-
14- Speed (Data frequency, tRAC, tRC) : 1.4Gbps

PS2 Compatibility Memory

Samsung K4R271669F

54-ball FBGA
Samsung K4R271669F

Datasheet: Samsung K4R271669F

The earlier models with hardware PS2 compatibility also contained an extra 32MB of RDRAM using two 16MB Samsung chips.

Type Size Speed Voltage Packaging Manufacturer Serial Number Description
RDRAM 16MB 800MHz 2.50 +/- 0.13V 54-pin Samsung K4R271669F 32MB total (2 chips) for Hardware PS2 Compatibility System Memory