18M-BIT QDR II SRAM 4-WORD BURST OPERATION
Description
μPD46185084B μPD46185094B μPD46185184B μPD46185364B
Datasheet
18M-BIT QDRTM II SRAM 4-WORD BURST OPERATION
Description
R10DS0113EJ0200 Rev.
2.
00
Nov 09, 2012
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
Page 1 of 38
μPD46185084B, μPD46185094B, μPD46185184B, μPD46185364B
Ordering Information
Part No.
μPD46185084BF1-E33-EQ1-A μPD46185084BF1-E40-EQ1-A μPD46185094B...
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