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EM48AM1644VTC-7FE Datasheet(PDF) 1 Page - Eorex Corporation |
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EM48AM1644VTC-7FE Datasheet(HTML) 1 Page - Eorex Corporation |
1 / 18 page eorex EM484M1644VTC Dec. 2007 www.eorex.com 64Mb (1M ×4Bank×16) Synchronous DRAM Features • Fully Synchronous to Positive Clock Edge • Single 3.3V ±0.3V Power Supply • LVTTL Compatible with Multiplexed Address • Programmable Burst Length (B/L) - 1, 2, 4, 8 or Full Page • Programmable CAS Latency (C/L) - 2 or 3 • Data Mask (DQM) for Read / Write Masking • Programmable Wrap Sequence – Sequential (B/L = 1/2/4/8/full Page) – Interleave (B/L = 1/2/4/8) • Burst Read with Single-bit Write Operation • All Inputs are Sampled at the Rising Edge of the System Clock • Auto Refresh and Self Refresh • 4,096 Refresh Cycles / 64ms (15.625us) Description The EM484M1644VTC is Synchronous Dynamic Random Access Memory (SDRAM) organized as 1Meg words x 4 banks by 16 bits. All inputs and outputs are synchronized with the positive edge of the clock. The 64Mb SDRAM uses synchronized pipelined architecture to achieve high speed data transfer rates and is designed to operate at 3.3V low power memory system. It also provides auto refresh with power saving / down mode. All inputs and outputs voltage levels are compatible with LVTTL. Available packages:TSOPII 54P 400mil. Ordering Information Part No Organization Max. Freq Package Grade Pb EM484M1644VTC-7F 4M X 16 143MHz @CL3 54pin TSOP(ll) Commercial Free EM484M1644VTC-6F 4M X 16 166MHz @CL3 54pin TSOP(ll) Commercial Free EM484M1644VTC-7FE 4M X 16 143MHz @CL3 54pin TSOP(ll) Extended Free EM484M1644VTC-6FE 4M X 16 166MHz @CL3 54pin TSOP(ll) Extended Free * EOREX reserves the right to change products or specification without notice. 1/18 |
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