參數(shù)資料
型號: W3H32M72E-400SB2M
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 32M X 72 DDR DRAM, 0.6 ns, PBGA208
封裝: 16 X 20 MM, 1 MM PITCH, PLASTIC, BGA-208
文件頁數(shù): 29/30頁
文件大?。?/td> 0K
代理商: W3H32M72E-400SB2M
W3H32M72E-XSB2X
8
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
November 2009
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
tVTD1
CKE
RTT
Power-up:
VCC and stable
clock (CK, CK#)
T = 200s (MIN)3
High-Z
DM
7
DQS
7
High-Z
Address
9
CK
CK#
tCL
VTT1
VREF
Command
NOP3
PRE
T0
Ta0
Don’t care
tCL
tCK
VCC
ODT
DQ
7
High-Z
Tb0
MR with
200 cycles of CK3
DLL RESET
tRFC
LM8
PRE9
LM7
REF10
LM11
Tg0
Th0
Ti0
Tj0
MR without
DLL RESET
EMR with
OCD default
Tk0
Tl0
Tm0
Te0
Tf0
EMR(2)
EMR(3)
tMRD
LM6
LM5
A10 = 1
tRPA
Tc0
Td0
SSTL_18
low level
8
Valid14
Valid
Indicates a Break in
Time Scale
LM12
EMR with
OCD exit
LM13
Normal
operation
Code
A10 = 1
Code
tMRD
tRPA
tRFC
VCCQ
tMRD
See note 4
EMR with
DLL ENABLE
T = 400ns (MIN)4
LVCMOS
low level8
FIGURE 4 – POWER-UP AND INITIALIZATION
Notes appear on page 7
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