UPD44324082 Datasheet, PDF (1/40 Pages) NEC – 36M-BIT DDRII SRAM 2-WORD BURST OPERATION

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD44324082, 44324092, 44324182, 44324362
36M-BIT DDRII SRAM
2-WORD BURST OPERATION
Description
The µPD44324082 is a 4,194,304-word by 8-bit, the µPD44324092 is a 4,194,304-word by 9-bit, the µPD44324182 is a
2,097,152-word by 18-bit and the µPD44324362 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 µPD44324082, µPD44324092, µPD44324182 and µPD44324362 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 package (13 x 15)
• HSTL Interface
• DLL 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 1,024 cycles after clock is resumed.
• User programmable impedance output
<R> • Fast clock cycle time : 3.7 ns (270 MHz), 4.0 ns (250 MHz), 5.0 ns (200 MHz)
• Simple control logic for easy depth expansion
• JTAG boundary scan
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. M16780EJ3V0DS00 (3rd edition)
Date Published March 2006 NS CP(K)
Printed in Japan
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
2003