參數(shù)資料
型號(hào)： WED9LAPC2C16P8BC
廠商： WHITE ELECTRONIC DESIGNS CORP
元件分類(lèi)： DRAM
英文描述： 4M X 32 SYNCHRONOUS DRAM, PBGA153
封裝： 14 X 22 MM, BGA-153
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 693K
代理商： WED9LAPC2C16P8BC
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WED9LAPC2B16P8BC
November 2001
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
DESCRIPTION
The WED9LAPC2B16P8BC is a 3.3V, 4M x 32 Synchronous
DRAM and a 2M x 8 Synchronous DRAM array packaged
in a 14mm x 22mm 153 lead BGA.
The WED9LAPC2B16P8BC provides the memory required
for the BRAM (Buffer Memory) and PRAM (Pointer Memory)
memory ports for Agere’s TAPC640 ATM port controller.
When used in conjunction with the WED9LAPC2C16V4BC,
which provides memory for the CRAM (Control Memory)
and VCRAM (Virtual Control Memory) memory ports, the
entire memory requirement of the LUCTAPC640 can be
met using these 2 BGA devices.
The WED9LAPC2B16P8BC is 100% tested to the timing
requirements of the TAPC640’s memory interface timing
for both Commercial and Industrial temperature ranges.
4M x 32 SDRAM / 2M x 8 SDRAM
EXTERNAL MEMORY SOLUTION FOR AGERE’S TAPC640 ATM PORT CONTROLLER
FEATURES
Clock speeds:
SDRAM: 100 MHz
100% tested to timing requirements of TAPC640’s
memory interface
Packaging:
153 pin BGA, 14mm x 22mm
3.3V Operating supply voltage
Direct control interface to both the BRAM and
PRAM ports on the TAPC640
62% space savings vs. monolithic solution
Reduced system inductance and capacitance
FIGURE 1 – PIN CONFIGURATION
Pinout BRAM and PRAM MCM — Top View
123456789
A
VCC
BDATA_A
VSS
GCLK
VSS
BWEN
BCASN
BRASN
B
BDATA_A
VSS
NC
VCC
BDQM
C
BDATA_A
VCC
NC
VSS
BADDR9
BADDR11
D
VSS
BDATA_A
VCC
VSS
BADDR7
BADDR8
E
BDATA_A
VCC
VSS
BADDR5
BADDR6
F
BDATA_A
VSS
VCC
VSS
BADDR3
BADDR4
G
VCC
BDATA_B
VSS
VCC
VSS
VCC
H
BDATA_B
VSS
VCC
NC
VSS
BADDR1
BADDR2
J
BDATA_B
VCC
NC
VSS
BADDR10
BADDR0
K
VSS
BDATA_B
VCC
NC
VSS
BADDR12
BADDR13
L
BDATA_B
VCC
NC
VCC
M
BDATA_B
VSS
NC
VSS
PADDR8
PADDR9
N
VCC
VSS
NC
VSS
PADDR6
PADD7
P
PDATA
VSS
NC
VSS
PADDR4
PADDR5
R
PDATA
VCC
VSS
NC
VSS
PADDR2
PADDR3
T
PDATA
VCC
PDATA
VCC
PDQM
PADDR0
PADDR1
U
PDATA
VCC
PCASN
PRASN
PWEN
PBS
PADDR10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WED9LAPC2C16P8BI 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM
WED9LAPC2C16V8BC 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC2C16V8BI 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC3C16V8BC 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC3C16V8BI 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM
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