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HYS72D256320GBR-7-B

Features: • 184-pin Registered 8-Byte Dual-In-Line DDR SDRAM Module for 1U PC, Workstation and Server main memory applications• One rank 128M * 72 organization and two rank 256M * 72 organization• JEDEC standard Double Data Rate Synchronous DRAMs (DDR SDRAM) with a single + 2.5...

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SeekIC No. : 004369506 Detail

HYS72D256320GBR-7-B: Features: • 184-pin Registered 8-Byte Dual-In-Line DDR SDRAM Module for 1U PC, Workstation and Server main memory applications• One rank 128M * 72 organization and two rank 256M * 72 o...

HYS72D256320GBR-7-B Data Sheet

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Part Number:
HYS72D256320GBR-7-B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 184-pin Registered 8-Byte Dual-In-Line DDR SDRAM Module for "1U" PC, Workstation and Server main
   memory applications
• One rank 128M * 72 organization and two rank 256M * 72 organization
• JEDEC standard Double Data Rate Synchronous DRAMs (DDR SDRAM) with a single + 2.5 V (± 0.2 V) power
   supply and +2.6(± 0.1 V) power supply for DDR400
• Built with DDR SDRAMs in 66-Lead TSOPII and FBGA 60 package
• Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave)
• Auto Refresh (CBR) and Self Refresh
• All inputs and outputs SSTL_2 compatible
• Re-drive for all input signals using register and PLL devices.
• Serial Presence Detect with E2PROM
• Low Profile Modules form factor: 133.35 mm * 28.58 mm (1.1") * 4.00 mm and 133.35 mm * 30.48 mm
   (1.2") * 4.00 mm
• Based on Jedec standard reference card layout RawCard "B", "C" and "D"
• Gold plated contacts


Specifications

Parameter
  Symbol
Values
Unit
Note/ Test Condition
min.
typ.
max.
Voltage on I/O pins relative to VSS
VIN, VOUT
0.5
-
VDDQ +
0.5
V
-
Voltage on inputs relative to VSS
VIN
1
-
+3.6
V
-
Voltage on VDD supply relative to VSS
VDD
1
-
+3.6
V
-
Voltage on VDDQ supply relative to VSS
VDDQ
1
-
+3.6
V
-
Operating temperature (ambient)
TA
0
-
+70
°C
-
Storage temperature (plastic)
TSTG
-55
-
+150
°C
-
Power dissipation (per SDRAM component)
PD
-
1
-
W
-
Short circuit output current
IOUT
-
50
-
mA
-

Attention: Permanent damage to the device may occur if "Absolute Maximum Ratings" are exceeded. This
is a stress rating only, and functional operation should be restricted to recommended operation
conditions. Exposure to absolute maximum rating conditions for extended periods of time may
affect device reliability and exceeding only one of the values may cause irreversible damage to
the integrated circuit.




Description

The HYS72D256320GBR-7-B are low profile versions of the standard Registered DIMM modules with 1.1" inch (28.58) and 1.2" inch (30,40 mm) height for 1U Server Applications. The Low Profile DIMM versions are available as 128M * 72 (1 GB) and 256M * 72 (2 GB).

The memory array of the HYS72D256320GBR-7-B is designed with Double Data Rate Synchronous DRAMs for ECC applications. All control and address signals are re-driven on the DIMM using register devices and a PLL for the clock distribution. This reduces capacitive loading to the system bus, but adds one cycle to the SDRAM timing. A variety of decoupling capacitors are mounted on the PC board. The DIMMs feature serial presence detect based on a serial E2PROM device using the 2-pin I2C protocol. The first 128 bytes of the HYS72D256320GBR-7-B are programmed with configuration data and the second 128 bytes are available to the customer.




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