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参数资料
| 型号： | WED9LAPC2B16P8BI |
| 元件分类： | 通信及网络 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PBGA153 |
| 封装： | 14 X 22 MM, BGA-153 |
| 文件页数： | 1/21页 |
| 文件大小： | 332K |
| 代理商： | WED9LAPC2B16P8BI |
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
s Clock speeds:
SDRAM: 100 MHz
s 100% tested to timing requirements of LUCTAPC640’s memory
interface
s Packaging:
153 pin BGA, 14mm x 22mm
s 3.3V Operating supply voltage
s Direct control interface to both the BRAM and PRAM ports on
the LUCTAPC640
s 62% space savings vs. monolithic solution
s Reduced system inductance and capacitance
FIG. 1 PIN CONFIGURATION
PINOUT BRAM AND PRAM MCM -- TOP VIEW
1
2
3
4
567
8
9
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| WED9LAPC2C16P8BC | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM |
| WED9LAPC2C16P8BI | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM |
| WED9LAPC2C16V8BC | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC2C16V8BI | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC3C16V8BC | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
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