Datasheet > 存储 > DRAM> WED9LAPC2C16P8BI

WED9LAPC2C16P8BI

更新时间： 2024-11-21 03:28:39

品牌	Logo	应用领域
WEDC		内存集成电路动态存储器
页数	文件大小	规格书
21页	693K
描述
4M x 32 SDRAM / 2M x 8 SDRAM

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WED9LAPC2C16P8BI 数据手册

WED9LAPC2B16P8BC

White Electronic Designs

4M x 32 SDRAM / 2M x 8 SDRAM

EXTERNAL MEMORY SOLUTION FOR AGERE’S TAPC640 ATM PORT CONTROLLER

FEATURES

DESCRIPTION

ꢀ

Clock speeds:

TheWED9LAPC2B16P8BCisa3.3V, 4Mx32Synchronous

DRAM and a 2M x 8 Synchronous DRAM array packaged

in a 14mm x 22mm 153 lead BGA.

• SDRAM: 100 MHz

ꢀ

100% tested to timing requirements of TAPC640’s

memory interface

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.

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

The WED9LAPC2B16P8BC is 100% tested to the timing

requirements of the TAPC640’s memory interface timing

for both Commercial and Industrial temperature ranges.

FIGURE 1 – PIN CONFIGURATION

Pinout BRAM and PRAM MCM — Top View

V_CC

V_SS

B_{DATA_A}

GCLK

BWEN

BCASN

BRASN

BDQM

B_{DATA_A}

V_SS

B_{DATA_A}

B_{DATA_B}

V_CC

B_{DATA_A}

B_{DATA_B}

V_SS

V_CC

V_SS

V_CC

V_SS

V_CC

V_SS

V_CC

V_SS

V_CC

BADDR9

BADDR7

BADDR5

BADDR3

V_CC

BADDR11

BADDR8

BADDR6

BADDR4

V_CC

V_SS

B_{DATA_A}

V_CC

V_SS

V_CC

V_SS

B_{DATA_B}

V_SS

BADDR1

BADDR10

BADDR2

BADDR0

V_SS

BADDR12 BADDR13

B_{DATA_B}

V_CC

V_SS

V_CC

PADDR8

PADDR6

PADDR4

PADDR2

PADDR0

PBS

PADDR9

PADD7

V_SS

P_DATA

V_SS

PADDR5

PADDR3

PADDR1

PADDR10

P_DATA

V_CC

V_SS

P_DATA

V_CC

P_DATA

V_CC

PCASN

V_CC

PRASN

PDQM

PWEN

P_DATA

White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice.

November 2001

Rev. 1

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

12 3 4 5 6 7...21

中文翻译

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与WED9LAPC2C16P8BI相关器件

型号	品牌	获取价格	描述	数据表
WED9LAPC2C16V8BC	WEDC	获取价格	512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC2C16V8BI	WEDC	获取价格	512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC3C16V8BC	WEDC	获取价格	512K x 32 SSRAM / 1M x 64 SDRAM
WED9LAPC3C16V8BI	WEDC	获取价格	512K x 32 SSRAM / 1M x 64 SDRAM
WED9LC6416V	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM
WED9LC6416V1310BC	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM
WED9LC6416V1310BI	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM
WED9LC6416V1312BC	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM
WED9LC6416V1312BI	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM
WED9LC6416V1510BC	ETC	获取价格	128Kx32 SSRAM/4Mx32 SDRAM

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