參數(shù)資料
型號(hào): IDT72845LB15PF8
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 1/26頁(yè)
文件大?。?/td> 0K
描述: IC FIFO SYNC DL 4096X18 128TQFP
標(biāo)準(zhǔn)包裝: 1,000
系列: 7200
功能: 同步
存儲(chǔ)容量: 72K(4K x 18)
數(shù)據(jù)速率: 67MHz
訪問(wèn)時(shí)間: 15ns
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 帶卷 (TR)
其它名稱: 72845LB15PF8
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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IDT72845LB15PFI 功能描述:IC FIFO SYNC DL 4096X18 128TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K(16K x 18) 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(14x14) 包裝:托盤(pán) 其它名稱:72271LA10PF
IDT72845LB15PFI8 功能描述:IC FIFO SYNC DL 4096X18 128TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K(16K x 18) 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(14x14) 包裝:托盤(pán) 其它名稱:72271LA10PF
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IDT72845LB25PF8 功能描述:IC FIFO SYNC DL 4096X18 128TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K(16K x 18) 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(14x14) 包裝:托盤(pán) 其它名稱:72271LA10PF
IDT7284L12PA 功能描述:IC FIFO 2048X18 12NS 56TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K(16K x 18) 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(14x14) 包裝:托盤(pán) 其它名稱:72271LA10PF