HYS72T256000ER Datasheet, PDF (3/33 Pages) Qimonda AG – 240-Pin Registered DDR2 SDRAM Modules

Internet Data Sheet
1
Overview
HYS72T256000ER-[3.7/5]-B
Registerd DDR2 SDRAM Module
This chapter gives an overview of the 240-Pin Registered DDR2 SDRAM Modules product family and describes its main
characteristics.
1.1
Features
• 240-Pin PC2–4200 and PC2–3200 DDR2 SDRAM
memory modules.
• 256M ×72 module organization and 256M × 4 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 P-TFBGA-68-6
chipsize packages
• All speed grades faster than DDR2–400 comply with
DDR2–400 timing specifications.
• Programmable CAS Latencies (3, 4 and 5), Burst Length
(8 & 4) and Burst Type
• Auto Refresh (CBR) and Self Refresh
• Average Refresh Period 7.8 µs at a T_CASE lower than 85°C,
3.9µs between 85°C and 95°C.
• 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
• RDIMM Dimensions (nominal):
30 mm high and 133.35 mm wide
• Based on standard reference layouts Raw Card “H”
• RoHS compliant products¹⁾
Product Type Speed Code
Speed Grade
Max. Clock Frequency
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
@CL5
@CL4
@CL3
TABLE 1
Performance Table
–3.7
–5
Unit
PC2–4200 4–4–4 PC2–3200 3–3–3 —
f_CK5
266
200
MHz
f_CK4
266
200
MHz
f_CK3
200
200
MHz
t_RCD
15
15
ns
t_RP
15
15
ns
t_RAS
45
45
ns
t_RC
60
60
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
10202006-EHWJ-OT02