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PD46184184B Datasheet(PDF) 1 Page - Renesas Technology Corp |
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PD46184184B Datasheet(HTML) 1 Page - Renesas Technology Corp |
1 / 32 page R10DS0113EJ0200 Rev.2.00 Page 1 of 38 Nov 09, 2012 Datasheet μPD46185084B μPD46185094B μPD46185184B μPD46185364B 18M-BIT QDRTM II SRAM 4-WORD BURST OPERATION Description The μPD46185084B is a 2,097,152-word by 8-bit, the μPD46185094B is a 2,097,152-word by 9-bit, the μPD46185184B is a 1,048,576-word by 18-bit and the μPD46185364B is a 524,288-word by 36-bit synchronous quad data rate static RAM fabricated with advanced CMOS technology using full CMOS six-transistor memory cell. The μPD46185084B, μPD46185094B, μPD46185184B and μPD46185364B integrate unique synchronous peripheral circuitry and a burst counter. All input registers controlled by an input clock pair (K and K#) are latched on the positive edge of K and K#. These products are suitable for application which require synchronous operation, high speed, low voltage, high density and wide bit configuration. These products are packaged in 165-pin PLASTIC BGA. Features • 1.8 ± 0.1 V power supply • 165-pin PLASTIC BGA (13 x 15) • HSTL interface • PLL circuitry for wide output data valid window and future frequency scaling • Separate independent read and write data ports with concurrent transactions • 100% bus utilization DDR READ and WRITE operation • Four-tick burst for reduced address frequency • Two input clocks (K and K#) for precise DDR timing at clock rising edges only • Two output clocks (C and C#) for precise flight time and clock skew matching-clock and data delivered together to receiving device • Internally self-timed write control • Clock-stop capability. Normal operation is restored in 20 μs after clock is resumed. • User programmable impedance output (35 to 70 Ω) • Fast clock cycle time : 3.3 ns (300 MHz), 4.0 ns (250 MHz) • Simple control logic for easy depth expansion • JTAG 1149.1 compatible test access port R10DS0113EJ0200 Rev.2.00 Nov 09, 2012 |
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