參數(shù)資料
型號: IDT723643L12PF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 26/28頁
文件大?。?/td> 0K
描述: IC FIFO SYNC 1024X36 128QFP
標(biāo)準(zhǔn)包裝: 72
系列: 7200
功能: 同步
存儲容量: 36.8K(1K x 36)
數(shù)據(jù)速率: 83MHz
訪問時間: 12ns
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: 托盤
其它名稱: 723643L12PF
7
COMMERCIALTEMPERATURERANGE
IDT723623/723633/723643 BUS-MATCHING SyncFIFO
256 x 36, 512 x 36, 1,024 x 36
DETERMINING ACTIVE CURRENT CONSUMPTION AND POWER DISSIPATION
The ICC(f) current for the graph in Figure 1 was taken while simultaneously reading and writing a FIFO on the IDT723623/723633/723643 with CLKA
andCLKBsettofS. Alldatainputsanddataoutputschangestateduringeachclockcycletoconsumethehighestsupplycurrent. Dataoutputsweredisconnected
to normalize the graph to a zero capacitance load. Once the capacitance load per data-output channel and the number of IDT723623/723633/723643 inputs
driven by TTL HIGH levels are known, the power dissipation can be calculated with the equation below.
CALCULATING POWER DISSIPATION
With ICC(f) taken from Figure 1, the maximum power dissipation (PT) of these FIFOs may be calculated by:
PT = VCC x [ICC(f) + (N x
ICC x dc)] + Σ(CL x VCC2 X fo)
where:
N
=
number of used outputs = 36-bit (long word), 18-bit (word) or 9-bit (byte) bus size
ICC
=
increase in power supply current for each input at a TTL HIGH level
dc
=
duty cycle of inputs at a TTL HIGH level of 3.4 V
CL
=
outputcapacitanceload
fo
=
switching frequency of an output
Figure 1. Typical Characteristics: Supply Current (ICC) vs. Clock Frequency (fS)
010
20
30
40
50
60
70
0
50
100
250
300
VCC = 5.0V
fS
Clock Frequency MHz
fdata = 1/2 fS
TA = 25
°C
CL = 0pF
VCC = 5.5V
3269 drw 02a
200
150
VCC = 4.5V
80
90
ICC(f)
Supply
Current
mA
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IDT723643L12PFG 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Bi-Dir 1K x 36 128-Pin TQFP
IDT723643L15PF 功能描述:IC FIFO SYNC 1024X36 128QFP 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
IDT723643L15PF8 功能描述:IC FIFO SYNC 1024X36 128QFP 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
IDT723644L12PF 功能描述:IC FIFO SYNC 2048X36 128QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲容量:256(64 x 4) 數(shù)據(jù)速率:- 訪問時間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP(0.300",7.62mm) 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433