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WED9LAPC2C16V8BI 参数 Datasheet PDF下载

WED9LAPC2C16V8BI图片预览
型号: WED9LAPC2C16V8BI
PDF下载: 下载PDF文件 查看货源
内容描述: 512K ×32 SSRAM / 1M ×64 SDRAM [512K x 32 SSRAM / 1M x 64 SDRAM]
分类和应用: 存储内存集成电路静态存储器动态存储器
文件页数/大小: 24 页 / 935 K
品牌: WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
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White Electronic Designs
512K x 32 SSRAM / 1M x 64 SDRAM
FEATURES
Clock speeds:
SSRAM: 100 MHz
SDRAM: 100 MHz
WED9LAPC2C16V8BC
EXTERNAL MEMORY SOLUTION FOR LUCENT’S LUCTAPC640 ATM PORT CONTROLLER
DESCRIPTION
100% tested to timing requirements of
LUCTAPC640’s memory interface
Packaging:
The WED9LAPC2C16V8BC is a 3.3V, 512K x 32
Synchronous Pipeline SRAM and a 1M x 64 Synchronous
DRAM array packaged in a 21mm x 21mm 192 lead
BGA.
The WED9LAPC2C16V8BC provides the memory
required for the CRAM (Control Memory) and VCRAM
(Virtual Connection Memory) memory ports for Lucent’s
LUCTAPC640 ATM port controller. When used in conjunction
with the WED9LAPC2B16P8BC, which provides memory for
the BRAM (Buffer Memory) and PRAM (Pointer Memory)
memory ports, the entire memory requirement of the
LUCTAPC640 can be met using these 2 BGA devices.
The WED9LAPC2C16V8BC is 100% tested to the timing
requirements of the LUCTAPC640’s memory interface
timing for both Commercial and Industrial temperature
ranges.
192 pin BGA, 21mm x 21mm
3.3V Operating supply voltage
Direct control interface to both the CRAM and
VCRAM ports on the LUCTAPC640
62% space savings vs. monolithic solution
Reduced system inductance and capacitance
PIN CONFIGURATION
PINOUT CRAM AND VCRAM MCM -- TOP VIEW
1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
CADDR
CWE#
COE#
V
SS
GCK
V
SS
VCDATA_b
VCDATA_b
V
CC
VCDATA_b
VCDATA_b
V
SS
VCDATA_b
VCDATA_b
V
CC
VCDATA_b
2
CADDR
CADDR
CADDR
CADDR
V
SS
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
3
V
CC
CDATA
CDATA
CADDR
NC
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
VCDATA_b
V
SS
4
CDATA
CDATA
CDATA
V
CC
V
CC
V
CC
V
SS
V
SS
V
SS
V
CC
V
CC
V
CC
V
SS
VCDATA_b
VCDATA_b
VCDATA_b
V
SS
VCDATA_b
VCBS
VCDQM
V
SS
V
SS
VCADDR8
VCCAS#
V
CC
VCADDR0
VCADDR1
VCWE#
V
CC
VCADDR2
VCADDR3
VCRAS#
V
CC
VCADDR10
VCADDR4
VCADDR5
V
SS
VCADDR6
VCADDR7
VCADDR9/AP
V
SS
V
SS
VCDATA_a
V
CC
V
SS
VCDATA_a
VCDATA_a
VCDATA_a
5
CDATA
CDATA
CDATA
V
CC
6
V
SS
CDATA
CDATA
V
CC
7
CDATA
CDATA
CDATA
V
SS
8
CDATA
CDATA
CDATA
V
SS
9
V
CC
CDATA
CDATA
V
SS
10
CDATA
CDATA
CDATA
V
CC
11
CDATA
CDATA
CDATA
V
CC
12
V
SS
CDATA
CDATA
V
CC
13
CDATA
CDATA
CDATA
V
SS
V
SS
V
CC
V
CC
V
SS
V
SS
V
SS
V
CC
V
CC
V
CC
VCDATA_a
VCDATA_a
VCDATA_a
14
CDATA
CDATA
CDATA
CADDR
CADDR
CADDR0
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
V
CC
VCDATA_a
VCDATA_a
V
SS
15
V
CC
CADDR
CADDR
CADDR
CADDR
CADDR1
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
VCDATA_a
16
CADDR
CADDR
CADDR
CADDR
CADDR
V
SS
VCDATA_a
VCDATA_a
V
CC
VCDATA_a
VCDATA_a
V
SS
VCDATA_a
VCDATA_a
V
CC
VCDATA_a
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July, 2000
0
July 2000 Rev.
Rev.
#15168
ECO
0
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com