参数资料
型号: IDT72825LB15PFI
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/26页
文件大小: 0K
描述: IC FIFO SYNC DL 1024X18 128TQFP
标准包装: 72
系列: 7200
功能: 同步
存储容量: 18.4K(1K x 18)
数据速率: 67MHz
访问时间: 15ns
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 托盘
其它名称: 72825LB15PFI
1
JANUARY 2009
CMOS DUAL SyncFIFO
DUAL 256 x 18, DUAL 512 x 18,
DUAL 1,024 x 18, DUAL 2,048 x 18
and DUAL 4,096 x 18
IDT72805LB
IDT72815LB
IDT72825LB
IDT72835LB
IDT72845LB
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT and the IDT logo are registered trademarks. The SyncFIFO is a trademark of Integrated Device Technology, Inc.
2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-3139/8
FEATURES:
The IDT72805LB is equivalent to two IDT72205LB 256 x 18 FIFOs
The IDT72815LB is equivalent to two IDT72215LB 512 x 18 FIFOs
The IDT72825LB is equivalent to two IDT72225LB 1,024 x 18 FIFOs
The IDT72835LB is equivalent to two IDT72235LB 2,048 x 18 FIFOs
The IDT72845LB is equivalent to two IDT72245LB 4,096 x 18 FIFOs
Offers optimal combination of large capacity (8K), high speed,
design flexibility, and small footprint
Ideal for the following applications:
-
Network switching
-
Two level prioritization of parallel data
-
Bidirectional data transfer
-
Bus-matching between 18-bit and 36-bit data paths
-
Width expansion to 36-bit per package
-
Depth expansion to 8,192 words per package
10ns read/write cycle time, 6.5ns access time
IDT Standard or First Word Fall Through timing
FUNCTIONAL BLOCK DIAGRAM
Single or double register-buffered Empty and Full Flags
Easily expandable in depth and width
Asynchronous or coincident Read and Write clocks
Asynchronous or synchronous programmable Almost-Empty
and Almost-Full flags with default settings
Half-Full flag capability
Output Enable puts output data bus in high-impedance state
High-performance submicron CMOS technology
Available in the 128-pin Thin Quad Flatpack (TQFP). Also
available for the IDT72805LB/72815LB/72825LB, in the 121-lead,
16 x 16 mm plastic Ball Grid Array (PBGA)
Industrial temperature range (–40
°°°°°C to +85°°°°°C) is available
Green parts available, see ordering information
DESCRIPTION:
The IDT72805LB/72815LB/72825LB/72835LB/72845LB are dual 18-bit-wide
synchronous(clocked)First-in,First-out(FIFO)memories.OnedualIDT72805LB/
INPUT
REGISTER
OUTPUT
REGISTER
OFFSET
REGISTER
FLAG
LOGIC
FFA/IRA
PAFA
EFA/
ORA
PAEA
HFA/(WXOA)
READ
POINTER
READ
CONTROL
LOGIC
WRITE
CONTROL
LOGIC
WRITE
POINTER
EXPANSION
LOGIC
RESET
LOGIC
WENA
DA0-DA17
LDA
RSA
(HFA)/WXOA
WXIA
RENA
RCLKA
OEA QA0-QA17
RXOA
RXIA
FLA
WCLKA
INPUT
REGISTER
OUTPUT
REGISTER
RAM
ARRAY
256 x 18
512 x 18
1,024 x 18
2,048 x 18
4,096 x 18
OFFSET
REGISTER
FLAG
LOGIC
FFB/IRB
PAFB
EFB/ORB
PAEB
HFB/(WXOB)
READ
POINTER
READ
CONTROL
LOGIC
WRITE
CONTROL
LOGIC
WRITE
POINTER
EXPANSION
LOGIC
RESET
LOGIC
WENB
DB0-DB17
LDB
RSB
(HFB)/WXOB
WXIB
RENB
RCLKB
OEB
QB0-QB17
RXOB
RXIB
FLB
WCLKB
3139 drw 01
RAM
ARRAY
256 x 18
512 x 18
1,024 x 18
2,048 x 18
4,096 x 18
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IDT72825LB15PFI8 功能描述:IC FIFO SYNC DL 1024X18 128TQFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
IDT72825LB25BG 功能描述:IC FIFO SYNC DL 1024X18 121BGA RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:15 系列:74F 功能:异步 存储容量:256(64 x 4) 数据速率:- 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:24-DIP(0.300",7.62mm) 供应商设备封装:24-PDIP 包装:管件 其它名称:74F433
IDT72825LB25BG8 功能描述:IC FIFO SYNC DL 1024X18 121BGA RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:15 系列:74F 功能:异步 存储容量:256(64 x 4) 数据速率:- 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:24-DIP(0.300",7.62mm) 供应商设备封装:24-PDIP 包装:管件 其它名称:74F433
IDT72825LB25PF 功能描述:IC FIFO SYNC DL 1024X18 128TQFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
IDT72825LB25PF8 功能描述:IC FIFO SYNC DL 1024X18 128TQFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF