Internet Data Sheet
Rev. 1.0, 2006-10
10202006-L0SM-FEYT
3
HYS[64/72]T[32/64/128][0/9]xxEU-[25F/2.5/3/3S/3.7]-B2
Unbuffered DDR2 SDRAM Module
1
Overview
This chapter gives an overview of the 240-Pin unbuffered DDR2 SDRAM Modules product family and describes its main
characteristics.
1.1
Features
Feature list and performance tables
240-Pin PC2–6400, PC2–5300 and PC2–4200 DDR2
SDRAM memory modules.
Module organization 32M
×
64, 64M
×
64, 64M
×
72,
128M
×
64 and 128M
×
72.
Chip organization 32M
×
16 and 64M
×
8.
Standard Double-Data-Rate-Two Synchronous DRAMs
(DDR2 SDRAM) with a single + 1.8 V (± 0.1 V) power
supply
256MB, 512MB and 1GB modules built with 512-Mbit
DDR2 SDRAMs in P-TFBGA-60 and PG-TFBGA-84
chipsize packages
All speed grades faster than DDR2
–
400 comply with
DDR400 timing specifications.
Programmable CAS Latencies (3, 4, 5 and 6), Burst
Length (8 & 4) and Burst Type
Auto Refresh (CBR) and Self Refresh
Programmable self refresh rate via EMRS2 setting
Programmable partial array refresh via EMRS2 settings
DCC enabling via EMRS2 setting
All inputs and outputs SSTL_1.8 compatible
Off-Chip Driver Impedance Adjustment (OCD) and On-Die
Termination (ODT)
Serial Presence Detect with E
2
PROM
UDIMM Dimensions (nominal): 30 mm high and
133.35 mm wide
Based on standard reference layouts Raw Card “C” “D”,
“E”, “F” and “G”
RoHS compliant products
1)
TABLE 1
Performance Table
1) RoHS Compliant Product: Restriction of the use of certain hazardous substances (RoHS) in electrical and electronic equipment as defined
in the directive 2002/95/EC issued by the European Parliament and of the Council of 27 January 2003. These substances include mercury,
lead, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated biphenyl ethers.
Product Type Speed Code
–25F
–2.5
–3
–3S
–3.7
Unit
Speed Grade
PC2–6400
5–5–5
PC2–6400
6–6–6
PC2–5300
4–4–4
PC2–5300
5–5–5
PC2–4200
4–4–4
—
Max. Clock Frequency
@CL6
@CL5
@CL4
@CL3
f
CK6
f
CK5
f
CK4
f
CK3
t
RCD
t
RP
t
RAS
t
RC
400
400
266
200
12.5
12.5
45
57.5
400
333
266
200
15
15
45
60
–
333
333
200
12
12
45
57
–
333
266
200
15
15
45
60
–
266
266
200
15
15
45
60
MHz
MHz
MHz
MHz
ns
ns
ns
ns
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time