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參數(shù)資料
型號(hào)： WED9LAPC2B16P8BC
英文描述： 4M x 32 SDRAM / 2M x 8 SDRAM Array(4Mx32同步靜態(tài)RAM和2Mx8同步動(dòng)態(tài)RAM陣列)
中文描述： 4米× 32 SDRAM內(nèi)存/ 2米× 8內(nèi)存陣列（4Mx32同步靜態(tài)內(nèi)存和2Mx8同步動(dòng)態(tài)內(nèi)存陣列）
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 332K
代理商： WED9LAPC2B16P8BC
1
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED9LAPC2B16P8BC
September 2000 Rev. 0
ECO #13175
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 Lucent’s LUCTAPC640 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 require-
ments of the LUCTAPC640’s memory interface timing for both
Commercial and Industrial temperature ranges.
4M x 32 SDRAM / 2M x 8 SDRAM
External Memory Solution for Lucent’s LUCTAPC640 ATM Port Controller
FEATURES
I
Clock speeds:
SDRAM: 100 MHz
I
100% tested to timing requirements of LUCTAPC640’s memory
interface
I
Packaging:
153 pin BGA, 14mm x 22mm
I
3.3V Operating supply voltage
I
Direct control interface to both the BRAM and PRAM ports on
the LUCTAPC640
I
62% space savings vs. monolithic solution
I
Reduced system inductance and capacitance
FIG. 1
PIN CONFIGURATION
PINOUT BRAM AND PRAM MCM -- TOP VIEW
1
2
3
4
5
6
7
8
9
A
VCC
Bdata_a
Bdata_a
VSS
GCLK
VSS
BWEN
BCASN
BRASN
B
Bdata_a
Bdata_a
Bdata_a
VSS
VSS
NC
VCC
VCC
BDQM
C
Bdata_a
Bdata_a
Bdata_a
VCC
NC
NC
VSS
BADDR9
BADDR11
D
VSS
Bdata_a
Bdata_a
VCC
VCC
VSS
VSS
BADDR7
BADDR8
E
Bdata_a
Bdata_a
Bdata_a
VCC
VCC
VSS
VSS
BADDR5
BADDR6
F
Bdata_a
Bdata_a
Bdata_a
VSS
VCC
VSS
VSS
BADDR3
BADDR4
G
VCC
Bdata_b
Bdata_b
VSS
VCC
VSS
VCC
VCC
VCC
H
Bdata_b
Bdata_b
Bdata_b
VSS
VCC
NC
VSS
BADDR1
BADDR2
J
Bdata_b
Bdata_b
Bdata_b
VCC
NC
NC
VSS
BADDR10
BADDR0
K
VSS
Bdata_b
Bdata_b
VCC
NC
NC
VSS
BADDR12
BADDR13
L
Bdata_b
Bdata_b
Bdata_b
VCC
NC
NC
VCC
VCC
VCC
M
Bdata_b
Bdata_b
Bdata_b
VSS
NC
NC
VSS
PADDR8
PADDR9
N
VCC
VCC
VSS
VSS
NC
NC
VSS
PADDR6
PADD7
P
Pdata
Pdata
VSS
VSS
NC
NC
VSS
PADDR4
PADDR5
R
Pdata
VCC
VSS
VSS
NC
NC
VSS
PADDR2
PADDR3
T
Pdata
VCC
Pdata
VCC
VCC
VCC
PDQM
PADDR0
PADDR1
U
Pdata
Pdata
Pdata
VCC
PCASN
PRASN
PWEN
PBS
PADDR10
相關(guān)PDF資料
PDF描述
WED9LAPC2C16V4BC 512K x 32 SSRAM / 512K x 64 SDRAM Array(512Kx32同步靜態(tài)RAM和512Kx64同步動(dòng)態(tài)RAM陣列)
WED9LC6416V-BC SSRAM/SDRAM MCP
WED9LC6816V-BC SSRAM/SDRAM MCP
WED9LC6416V 128Kx32 SSRAM/4Mx32 SDRAM Array(128Kx32同步靜態(tài)RAM和4Mx32同步動(dòng)態(tài)RAM陣列)
WED9LC6416V1512BC 128Kx32 SSRAM/4Mx32 SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WED9LAPC2C16P8BC 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM
WED9LAPC2C16P8BI 制造商:WEDC 制造商全稱: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: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: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:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM
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