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uPD46185184B fiches techniques PDF

Renesas - 18M-BIT QDR II SRAM 4-WORD BURST OPERATION

Numéro de référence uPD46185184B
Description 18M-BIT QDR II SRAM 4-WORD BURST OPERATION
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uPD46185184B fiche technique
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
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