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R1Q2A3636 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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R1Q2A3636 Datasheet(HTML) 1 Page - Renesas Technology Corp |
1 / 25 page REJ03C0294-0003 Rev.0.03 Jul. 31, 2007 R1Q2A3636/R1Q2A3618/R1Q2A3609 36-Mbit QDR™II SRAM 2-word Burst REJ03C0294-0003 Preliminary Rev. 0.03 Jul. 31, 2007 Description The R1Q2A3636 is a 1,048,576-word by 36-bit, the R1Q2A3618 is a 2,097,152-word by 18-bit, and the R1Q2A3609 is a 4,194,304-word by 9-bit synchronous quad data rate static RAM fabricated with advanced CMOS technology using full CMOS six-transistor memory cell. It integrates unique synchronous peripheral circuitry and a burst counter. All input registers controlled by an input clock pair (K and /K) and are latched on the positive edge of K and /K. These products are suitable for applications which require synchronous operation, high speed, low voltage, high density and wide bit configuration. These products are packaged in 165-pin plastic FBGA package. Features • 1.8 V ± 0.1 V power supply for core (VDD) • 1.4 V to VDD power supply for I/O (VDDQ) • DLL 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 • Two-tick burst for low DDR transaction size • 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 with µs restart • User programmable impedance output • Fast clock cycle time: 4.0 ns (250 MHz)/5.0 ns (200 MHz)/6.0 ns (167 MHz) • Simple control logic for easy depth expansion • JTAG boundary scan Notes: QDR RAMs and Quad Data Rate RAMs comprise a new family of products developed by Cypress Semiconductor, IDT, NEC, Samsung, and Renesas Technology Corp. Preliminary: The specifications of this device are subject to change without notice. Please contact your nearest Renesas Technology's Sales Dept. regarding specifications. Page 1 of 23 |
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