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Renesas - 36M-BIT DDR II SRAM 2-WORD BURST OPERATION

Numéro de référence uPD46364182B
Description 36M-BIT DDR II SRAM 2-WORD BURST OPERATION
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uPD46364182B fiche technique
μPD46364092B
μPD46364182B
μPD46364362B
Datasheet
36M-BIT DDR II SRAM
2-WORD BURST OPERATION
R10DS0091EJ0400
Rev.4.00
Nov 09, 2012
Description
The μPD46364092B is a 4,194,304-word by 9-bit, the μPD46364182B is a 2,097,152-word by 18-bit and the
μPD46364362B is a 1,048,576-word by 36-bit synchronous double data rate static RAM fabricated with advanced CMOS
technology using full CMOS six-transistor memory cell.
The μPD46364092B, μPD46364182B and μPD46364362B 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
Pipelined double data rate operation
Common data input/output bus
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. 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
R10DS0091EJ0400 Rev.4.00
Nov 09, 2012
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