參數(shù)資料
型號: IDT723624L15PF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 33/35頁
文件大小: 0K
描述: IC FIFO SYNC 256X36X2 128QFP
標準包裝: 72
系列: 7200
功能: 同步
存儲容量: 18.4K(256 x 36 x 2)
數(shù)據(jù)速率: 67MHz
訪問時間: 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
供應商設(shè)備封裝: 128-TQFP(14x20)
包裝: 托盤
其它名稱: 723624L15PF
7
COMMERCIALTEMPERATURERANGE
IDT723624/723634/723644 CMOS SyncBiFIFO WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
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 IDT723624/723634/723644 with
CLKA and CLKB set to fS. All data inputs and data outputs change state during each clock cycle to consume the highest supply current. Data
outputs were disconnected to normalize the graph to a zero capacitance load. Once the capacitance load per data-output channel and the number
of IDT723624/723634/723644 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
3270 drw03
200
150
VCC = 4.5V
80
90
ICC(f)
Supply
Current
mA
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IDT723624L15PFG 制造商:Integrated Device Technology Inc 功能描述:IC FIFO SYNC 256X36X2 128TQFP
IDT723624L15PFG8 制造商:Integrated Device Technology Inc 功能描述:IC FIFO SYNC 256X36X2 128TQFP
IDT723626L12PF 功能描述:IC FIFO SYNC 256X36X2 128QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標準包裝: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 供應商設(shè)備封裝:64-TQFP(14x14) 包裝:托盤 其它名稱:72271LA10PF
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