HYS64T256020EU-25F-B Datasheet, PDF (3/60 Pages) Qimonda AG – 240-Pin unbuffered DDR2 SDRAM Modules

Internet Data Sheet
1
Overview
HYS[64/72]T256020EU-[25F/2.5/3/3S/3.7]-B
Unbuffered DDR2 SDRAM Module
This chapter gives an overview of the 240-Pin unbuffered DDR2 SDRAM Modules product family and describes its main
characteristics.
1.1
Features
• 240-Pin PC2–6400, PC2–5300 and PC2–4200 DDR2
SDRAM memory modules.
• 256M × 64 and 256M ×72 module organization,and
128M × 8 chip organization
• Standard Double-Data-Rate-Two Synchronous DRAMs
(DDR2 SDRAM) with a single + 1.8 V (± 0.1 V) power
supply
• 2 GB Built with 1Gbit DDR2 SDRAMs in and
P-TFBGA-68-6 chipsize packages
• All speed grades faster than DDR400 comply with
DDR400 timing specifications.
• Programmable CAS Latencies (3, 4, 5 and 6), Burst
Length (8 & 4) and Burst Type
• Average Refresh Period 7.8 µs at a T_CASE lower than 85°C,
3.9µs between 85°C and 95°C.
• 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 E²PROM
• UDIMM and EDIMM Dimensions (nominal):
30 mm high, 133.35 mm wide
• Based on standard reference layouts Raw Card “E” and
“G”
• RoHS compliant products¹⁾
Product Type Speed Code
–25F
Speed Grade
Max. Clock Frequency @CL6
@CL5
@CL4
@CL3
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
PC2–6400
5–5–5
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
–2.5
PC2–6400
6–6–6
400
333
266
200
15
15
45
60
–3
PC2–5300
4–4–4
–
333
333
200
12
12
45
57
TABLE 1
Performance Table
–3S
–3.7
Unit
PC2–5300
5–5–5
–
333
266
200
15
15
45
60
PC2–4200
4–4–4
–
266
266
200
15
15
45
60
—
MHz
MHz
MHz
MHz
ns
ns
ns
ns
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.
Rev. 1.0, 2006-10
3
10262006-SX8C-DEY8