WD1SN256X808-400C-PN Wintec Industries, WD1SN256X808-400C-PN Datasheet - Page 4

• Manufacturer Part Number: WD1SN256X808-400C-PN
• Description: MODULE DDR-400 256MB 200-SODIMM
• Manufacturer: Wintec Industries
• Series: -r

Specifications of WD1SN256X808-400C-PN

• Memory Type: DDR SDRAM
• Memory Size: 256MB
• Speed: 400MHz
• Features: -
• Package / Case: 200-SODIMM
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Functional Block Diagram:
One Rank 16M x 64 (128MB), 32M x 64 (256MB), 64M x 64 (512MB), 128M x 64 (1GB), and
256M x 64 (2GB) DDR Unbuffered Non-ECC SODIMM (x8 organization)
Green Rev. 1.1 - March, 06
BA0-BA1
A0-A13
RAS#
CAS#
CKE0
WE#
S0#
DQ[16:23]
DQ[24:31]
DQ[8:15]
BA0-BA1 to U0 - U7
A0-A13 to U0 - U7
RAS# to U0 - U7
CAS# to U0 - U7
CKE0 to U0 - U7
WE# to U0 - U7
DQ[0:7]
DQS0
DQS1
DQS2
DM2
DQS3
DM0
DM1
DM3
Note:
DQ, DM, DQS/DQS# resistors: 22 Ohms ± 5%
8
8
8
8
Wintec Industries, Inc., reserves the right to change datasheets and/or products without any notice.
DM CS# DQS
DM CS# DQS
DM CS# DQS
DM CS# DQS
U0
U1
U2
U3
CK0#
CK1#
CK0
CK1
120 Ohm
120 Ohm
One Rank, x8 Non-ECC SODIMM Pb-free
4
U0, U1, U4, U5
U2, U3, U6, U7
DDR SDRAMs
DDR SDRAMs
DQ[32:39]
DQ[40:47]
DQ[56:63]
DQ[48:55]
DDR-266, 333, 400MHz, 64-bit
DQS4
DQS5
DQS6
DM6
DQS7
DM5
DM7
DM4
8
8
8
8
V
SCL
WP
DD
DM CS# DQS
DM CS# DQS
DM CS# DQS
DM CS# DQS
V
/V
V
Vss
DDSPD
U4
U5
U6
U7
DDQ
REF
SA0
A0
SERIAL PD
SA1
A1
 2006 Wintec Industries, Inc.
Two x4 stacked to x8
for 2GB module
A2
SA2
To SPD
To U0 - U7
To U0 - U7
To U0 - U7
x8
x4
SDA