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參數(shù)資料
| 型號(hào)： | IDT7282L15PA |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC FIFO 1KX9 15NS 56TSSOP |
| 標(biāo)準(zhǔn)包裝： | 34 |
| 系列： | 7200 |
| 功能： | 異步 |
| 存儲(chǔ)容量： | 9K（1K x 9） |
| 數(shù)據(jù)速率： | 40MHz |
| 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： | 56-TFSOP（0.240"，6.10mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 56-TSSOP |
| 包裝： | 管件 |
| 其它名稱： | 7282L15PA 800-2494-5 IDT7282L15PA-ND |
8
COMMERCIALTEMPERATURERANGE
IDT7280/7281/7282/7283/7284/7285 5V ASYNCHRONOUS FIFO
DUAL 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
JUNE 29, 2012
Figure 13. Block Diagram of 256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18, 4,096 x 18, 8,192 x 18 FIFO Memory Used in Width Expansion Mode
Figure 12. Block Diagram of One 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9, 8,192 x 9 FIFO Used in Single Device Mode
USAGE MODES:
WIDTH EXPANSION
Wordwidthmaybeincreasedsimplybyconnectingthecorrespondinginput
controlsignalsofmultipleFIFOs.Statusflags(EF,FFandHF)canbedetected
fromanyoneFIFO. Figure13demonstratesan18-bitwordwidthbyusingthe
twoFIFOscontainedintheIDT7280/7281/7282/7283/7284/7285s.Anyword
width can be attained by adding FIFOs (Figure 13).
BIDIRECTIONAL OPERATION
Applications which require data buffering between two systems (each
system capable of Read and Write operations) can be achieved by pairing
IDT7280/7281/7282/7283/7384/7285s as shown in Figure 16. Both Depth
Expansion and Width Expansion may be used in this mode.
DATAFLOW-THROUGH
Two types of flow-through modes are permitted, a read flow-through
and write flow-through mode. For the read flow-through mode (Figure 17),
theFIFOpermitsareadingofasinglewordafterwritingonewordofdatainto
anemptyFIFO.Thedataisenabledonthebusin(tWEF+tA)nsaftertherising
edgeofW,calledthefirstwriteedge,anditremainsonthe busuntiltheRline
is raised from LOW-to-HIGH, after which the bus would go into a three-state
mode after tRHZ ns. The EF line would have a pulse showing temporary
deassertion and then would be asserted.
In the write flow-through mode (Figure 18), the FIFO permits the writing
of a single word of data immediately after reading one word of data from a
fullFIFO.The RlinecausestheFFtobedeassertedbuttheWlinebeingLOW
causesittobeassertedagaininanticipationofanewdataword.Ontherising
edgeofW,thenewwordisloadedintheFIFO.TheWlinemustbetoggledwhen
FFisnotassertedtowritenewdataintheFIFOandtoincrementthewritepointer.
COMPOUND EXPANSION
The two expansion techniques described above can be applied together
in a straightforward manner to achieve large FIFO arrays (see Figure 15).
WRITE (
W)
DATA IN (D)
FULL FLAG (
FF)
RESET (
RS)
9
READ (
R)
9
DATA OUT (Q)
EMPTY FLAG (
EF)
RETRANSMIT (
RT)
EXPANSION IN (
XI)
(
HF)
FIFO
A or B
IDT
7280
7281
7282
7283
7284
7285
(HALF-FULL FLAG)
3208 drw 14
XIA
XIB
9
18
9
18
HFB
HFA
9
DATA
WRITE (
W)
FULL FLAG (
FFA)
RESET (
RS)
(D)
IN
READ (
R)
EMPTY FLAG (
EFB)
RETRANSMIT (
RT)
DATA
(Q)
OUT
3208 drw 15
FIFO A
FIFO B
7280/7281/7282/
7283/7284/7285
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| IDT7282L15PA8 | 功能描述:IC FIFO 1KX9 15NS 56TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT7282L15PAI | 功能描述:IC FIFO 1KX9 15NS 56TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT7282L15PAI8 | 功能描述:IC FIFO 1KX9 15NS 56TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
| IDT7282L20PA | 功能描述:IC FIFO 1KX9 20NS 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:74ABT 功能:同步，雙端口 存儲(chǔ)容量:4.6K（64 x 36 x2） 數(shù)據(jù)速率:67MHz 訪問(wèn)時(shí)間:- 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:120-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:120-HLQFP（14x14） 包裝:托盤 產(chǎn)品目錄頁(yè)面:1005 (CN2011-ZH PDF) 其它名稱:296-3984 |
| IDT7282L20PA8 | 功能描述:IC FIFO 1KX9 20NS 56TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 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（10x10） 包裝:托盤 其它名稱:72225LB10TF |
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