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HDD32M72D9RPW Datasheet(PDF) 1 Page - Hanbit Electronics Co.,Ltd |
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HDD32M72D9RPW Datasheet(HTML) 1 Page - Hanbit Electronics Co.,Ltd |
1 / 10 page HANBit HDD32M72D9RPW URL : www.hbe.co.kr 1 HANBit Electronics Co.,Ltd. REV 1.0 (JUNE.2003) GENERAL DESCRIPTION The HDD32M72D9RPW is a 32M x 72 bit Double Data Rate(DDR) Synchronous Dynamic RAM high-density memory module. The module consists of nine CMOS 32M x 8 bit with 4banks DDR SDRAMs in 66pin TSOP-II 400mil packages and 2K EEPROM in 8-pin TSSOP package on a 184-pin glass-epoxy. Four 0.1uF decoupling capacitors are mounted on the printed circuit board in parallel for each DDR SDRAM. The HDD32M72D9RPW is a DIMM(Dual in line Memory Module) .Synchronous design allows precise cycle control with the use of system clock. Data I/O transactions are possible on both edges of DQS. Range of operating frequencies, programmable latencies and burst lengths allows the same device to be useful for a variety of high bandwidth, high performance memory sy stem applications. All module components may be powered from a single 2.5V DC power supply and all inputs and outputs are SSTL_2 compatible. FEATURES • Part Identification HDD32M72D9RPW – 10A : 100MHz (CL=2) HDD32M72D9RPW – 13A : 133MHz (CL=2) HDD32M72D9RPW – 13B : 133MHz (CL=2.5) • 2.5V ± 0.2V VDD and VDDQ power supply • Double-data-rate architecture; two data transfers per clock cycle • Bidirectional data strobe(DQS) • Differential clock inputs(CK and /CK) • DLL aligns DQ and DQS transition with CK transition • Programmable Read latency 2, 2.5 (clock) • Programmable Burst length (2, 4, 8) • Programmable Burst type (sequential & interleave) • Edge aligned data output, center aligned data input • Auto & Self refresh, 7.8us refresh interval (8K/64ms refresh) • The used device is 8M x 8bit x 4Banks DDR SDRAM DDR SDRAM Module 256Mbyte (32Mx72bit), based on 32Mx8, 4Banks 8K Ref., 184Pin-DIMM with PLL & Register Part No. HDD32M72D9RPW |
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