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參數(shù)資料
| 型號： | IDT72225LB15JI |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC FIFO 1024X18 SYNC 15NS 68PLCC |
| 標(biāo)準包裝： | 18 |
| 系列： | 7200 |
| 功能： | 同步 |
| 存儲容量： | 18.4K（1K x 18） |
| 訪問時間： | 15ns |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 68-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 68-PLCC（24x24） |
| 包裝： | 管件 |
| 其它名稱： | 72225LB15JI |
1
MARCH 2013
IDT72205LB, IDT72215LB,
IDT72225LB, IDT72235LB,
IDT72245LB
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. SyncFIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
2013 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-2766/3
CMOS SyncFIFOTM
256 x 18, 512 x 18, 1,024 x 18,
2,048 x 18, and 4,096 x 18
FEATURES:
256 x 18-bit organization array (IDT72205LB)
512 x 18-bit organization array (IDT72215LB)
1,024 x 18-bit organization array (IDT72225LB)
2,048 x 18-bit organization array (IDT72235LB)
4,096 x 18-bit organization array (IDT72245LB)
10 ns read/write cycle time
Empy and Full flags signal FIFO status
Easy expandable in depth and width
Asynchronous or coincident read and write clocks
Programmable Almost-Empty and Almost-Full flags with
default settings
Half-Full flag capability
Dual-Port zero fall-through time architecture
Output enable puts output data bus in high-impedence state
High-performance submicron CMOS technology
Available in a 64-lead thin quad flatpack (TQFP/STQFP)
and plastic leaded chip carrier (PLCC)
Industrial temperature range (–40
°°°°°C to +85°°°°°C) is available
Green parts available, see ordering information
DESCRIPTION:
The IDT72205LB/72215LB/72225LB/72235LB/72245LB are very high
speed,low-powerFirst-In,First-Out(FIFO)memorieswithclockedreadand
FUNCTIONAL BLOCK DIAGRAM
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
/(
)
READ POINTER
READ CONTROL
LOGIC
WRITE CONTROL
LOGIC
WRITE POINTER
EXPANSION LOGIC
RESET LOGIC
WCLK
D0-D17
(
)/
RCLK
Q0-Q17
2766 drw 01
writecontrols.TheseFIFOsareapplicableforawidevarietyofdatabuffering
needs, such as optical disk controllers, Local Area Networks (LANs), and
interprocessorcommunication.
TheseFIFOshave18-bitinputandoutputports.Theinputportiscontrolled
byafree-runningclock(WCLK),andaninputenablepin(WEN).Dataisread
intothesynchronousFIFOoneveryclockwhenWENisasserted.Theoutput
portiscontrolledbyanotherclockpin(RCLK)andanotherenablepin(REN).
The read clock can be tied to the write clock for single clock operation or the
twoclockscanrunasynchronousofoneanotherfordual-clockoperation. An
Output Enable pin (OE) is provided on the read port for three-state control of
theoutput.
The synchronous FIFOs have two fixed flags, Empty (EF) and Full (FF),
andtwoprogrammableflags,Almost-Empty(PAE)andAlmost-Full(PAF).The
offsetloadingoftheprogrammableflagsiscontrolledbyasimplestatemachine,
andisinitiatedbyassertingtheLoadpin(LD). AHalf-Fullflag(HF)isavailable
when the FIFO is used in a single device configuration.
ThesedevicesaredepthexpandableusingaDaisy-Chaintechnique.The
XI and XO pins are used to expand the FIFOs. In depth expansion configu-
ration, First Load (FL) is grounded on the first device and set to HIGH for all
other devices in the Daisy Chain.
The IDT72205LB/72215LB/72225LB/72235LB/72245LB is fabricated
using high-speed submicron CMOS technology.
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參數(shù)描述 |
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| IDT72225LB15JI8 | 功能描述:IC FIFO 1024X18 SYNC 15NS 68PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準包裝:80 系列:7200 功能:同步 存儲容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問時間: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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT72225LB15PF | 功能描述:IC FIFO 1024X18 SYNC 15NS 64TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準包裝:80 系列:7200 功能:同步 存儲容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問時間: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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT72225LB15PF8 | 功能描述:IC FIFO 1024X18 SYNC 15NS 64TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準包裝:80 系列:7200 功能:同步 存儲容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問時間: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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT72225LB15PFGI | 功能描述:IC FIFO 1024X18 SYNC 15NS 64TQFP RoHS:是 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準包裝:90 系列:7200 功能:同步 存儲容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問時間: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 其它名稱:72271LA10PF |
| IDT72225LB15PFGI8 | 功能描述:IC FIFO 1024X18 SYNC 15NS 64TQFP RoHS:是 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準包裝:80 系列:7200 功能:同步 存儲容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問時間: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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
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