参数资料
型号: W3H32M72E-667SB2M
厂商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分类: DRAM
英文描述: 32M X 72 DDR DRAM, 0.65 ns, PBGA208
封装: 16 X 20 MM, 1 MM PITCH, PLASTIC, BGA-208
文件页数: 10/25页
文件大小: 1062K
代理商: W3H32M72E-667SB2M
W3H32M72E-XSB2X
November 2010 2010 Microsemi Corporation. All rights reserved.
18
Microsemi Corporation (602) 437-1520 www.whiteedc.com
Rev. 3
www.microsemi.com
Microsemi Corporation reserves the right to change products or specications without notice.
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Unit
Input High (Logic 1) Voltage
VIH(DC)
VREF + 0.1 25
VCCQ + 0.300
V
Input Low (Logic 0) Voltage
VIL(DC)
-0.300
VREF - 0.125
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Unit
AC Input High (Logic 1) Voltage DDR2-400 & DDR2-533
VIH(AC)
VREF + 0.250
V
AC Input High (Logic 1) Voltage DDR2-667
VIH(AC)
VREF + 0.200
V
AC Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
VIL(AC)
VREF - 0.250
V
AC Input Low (Logic 0) Voltage DDR2-667
VIL(AC)
VREF - 0.200
V
ODT DC ELECTRICAL CHARACTERISTICS
All voltages referenced to VSS
Parameter
Symbol
Min
Nom
Max
Unit
Notes
RTT effective impedance value for 75Ω setting EMR (A6, A2) = 0, 1
RTT1(EFF)
52
75
97
Ω
1
RTT effective impedance value for 150Ω setting EMR (A6, A2) = 1, 0
RTT2(EFF)
105
150
195
Ω
1
RTT effective impedance value for 50Ω setting EMR (A6, A2) = 1, 1
RTT3(EFF)
35
50
65
Ω
1
Deviation of VM with respect to VCCQ/2
VM
-6
6
%
2
Note: 1. RTT1(EFF) and RTT2(EFF) are determined by separately applying VIH(AC) and VIL (AC) to the ball being tested, and then measuring current, I(VIH(AC)), and I(VIL(AC)), respectively.
2. Measure voltage (VM) at tested ball with no load
BGA THERMAL RESISTANCE
Description
Symbol
Typical
Units
Notes
Junction to Ambient (No Airow)
Theta JA
21.5
°C/W
1
Junction to Ball
Theta JB
20.7
°C/W
1
Junction to Case (Top)
Theta JC
14.8
°C/W
1
RTT(EFF) = VIH(AC) - VIL(AC)
I(VIH(AC)) - I(VIL(AC))
VM =
(2 x VM - 1) x 100
VCCQ
相关PDF资料
PDF描述
W3H32M72E-667SBC 32M X 72 DDR DRAM, 0.65 ns, PBGA208
W3H64M16E-400BC 64M X 16 DDR DRAM, 0.6 ns, PBGA79
W3H64M64E-400SBC 64M X 64 DDR DRAM, 0.6 ns, PBGA208
W3H64M72E-400ESI 64M X 72 DDR DRAM, 0.6 ns, PBGA208
W3H64M72E-400ESI 64M X 72 DDR DRAM, 0.6 ns, PBGA208
相关代理商/技术参数
参数描述
W3H32M72E-667SB2M/T/R 制造商:Microsemi Corporation 功能描述:PBGA,32M X72,DDR2 SDRAM, 1.8V - Tape and Reel
W3H32M72E-667SBC 制造商:Microsemi Corporation 功能描述:32M X 72 DDR2, 1.8V, 667MHZ, 208PBGA COMMERICAL TEMP. - Bulk
W3H32M72E-667SBI 制造商:Microsemi Corporation 功能描述:32M X 72 DDR2, 1.8V, 667MHZ, 208PBGA INDUSTRIAL TEMP. - Bulk
W3H32M72E-667SBM 制造商:PMG/Microsemi 功能描述:
W3H32M72E-ES 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:32M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package