PD46364092B Datasheet, PDF (21/36 Pages) Renesas Technology Corp – 36M-BIT DDR II SRAM 2-WORD BURST OPERATION

μPD46364092B, μPD46364182B, μPD46364362B
Application Example
SRAM
Vt
Controller
R
Data IO
ZQ
CQ#
SRAM#1
CQ
DQ
A LD# R, W# BWx# C/C# K/K#
Address
LD#
R, W#
BW#
SRAM#1 CQ/CQ#
SRAM#4 CQ/CQ#
Source CLK/CLK#
Return CLK/CLK#
Vt
R
Vt
R
Vt
R
R = 50 Ω Vt = Vref
R=
250 Ω
...
ZQ
CQ#
SRAM#4
CQ
DQ
A LD# R, W# BWx# C/C# K/K#
Vt
R
R=
250 Ω
Remark AC Characteristics are defined at the condition of SRAM outputs, CQ, CQ# and DQ with termination.
R10DS0091EJ0400 Rev.4.00
Nov 09, 2012
Page 21 of 35