參數(shù)資料
型號(hào): W3H128M72ER-667SBC
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 128M X 72 DDR DRAM, 0.5 ns, PBGA255
封裝: 23 X 21 MM, 1.27 MM PITCH, PLASTIC, BGA-255
文件頁數(shù): 24/34頁
文件大小: 1028K
代理商: W3H128M72ER-667SBC
W3H128M72ER-XNBX
30
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
February 2009
Rev. 6
PRELIMINARY
White Electronic Designs Corp. reserves the right to change products or specications without notice.
Parameter
Symbol
667Mbs CL6
533Mbs CL5
400Mbs CL4
Unit
Min
Max
Min
Max
Min
Max
ODT
ODT tum-on delay
tAOND
222222
tCK
ODT turn-on
tAON
tAC(MIN)
tAC(MAX) + 700
tAC(MIN)
tAC(MAX) + 1000
tAC(MIN)
tAC(MAX) + 1000
ps
ODT turn-off delay
tAOFD
2.5
tCK
ODT tum-off
tAOF
tAC(MIN)
tAC(MAX) + 600
tAC(MIN)
tAC(MAX) + 600
tAC(MIN)
tAC(MAX) + 600
ps
ODT tum-on (power-down mode)
tAONPD
tAC(MIN) +
2000
2 x tCK +
tAC(MAX) + 1000
tAC(MIN) +
2000
2 x tCK +
tAC(MAX) + 1000
tAC(MIN) +
2000
2 x tCK +
tAC(MAX) + 1000
ps
ODT turn-off (power-down mode)
tAOFPD
tAC(MIN) +
2000
2.5 x tCK +
tAC(MAX) + 1000
tAC(MIN) +
2000
2.5 x tCK +
tAC(MAX) + 1000
tAC(MIN) +
2000
2.5 x tCK +
tAC(MAX) + 1000
ps
ODT to power-down entry latency
tANPD
333
tCK
ODT power-down exit latency
tAXPD
888
tCK
ODT enable from MRS command
tMOD
12
ns
Power-Down
Exit active power-down to READ
command, MR[bit12=0]
tXARD
222
tCK
Exit active power-down to READ
command, MR[bit12=1]
tXARDS
7-AL
6-AL
tCK
Exit precharge power-down to any
non-READ command
tXP
222
tCK
CKE minimum high/low time
tCKE
333
tCK
AC TIMING PARAMETERS
(continued)
-55°C ≤ TA < +125°C
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