參數(shù)資料
型號(hào): IDT723633L12
廠商: 濟(jì)南固锝電子器件有限公司
英文描述: Quad, High Slew Rate, Single-Supply, Op Amp 14-TSSOP 0 to 70
中文描述: 的CMOS總線匹配SyncFIFOTM 256 × 36,512 × 36,1024 × 36
文件頁(yè)數(shù): 7/28頁(yè)
文件大?。?/td> 286K
代理商: IDT723633L12
7
COMMERCIAL TEMPERATURE RANGE
IDT723623/723633/723643 BUS-MATCHING SyncFIFO
256 x 36, 512 x 36, 1,024 x 36
DETERMINING ACTIVE CURRENT CONSUMPTION AND POWER DISSIPATION
The I
CC(f)
current for the graph in Figure 1 was taken while simultaneously reading and writing a FIFO on the IDT723623/723633/723643 with CLKA
and CLKB set to f
S
. 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 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 I
CC(f)
taken fromFigure 1, the maximumpower dissipation (PT) of these FIFOs may be calculated by:
P
T
= V
CC
x [I
CC
(f)
+ (N x
I
CC
x dc)] +
Σ
(C
L
x V
CC
2
X f
o
)
where:
N
I
CC
dc
C
L
f
o
=
=
=
=
=
number of used outputs = 36-bit (long word), 18-bit (word) or 9-bit (byte) bus size
increase in power supply current for each input at a TTL HIGH level
duty cycle of inputs at a TTL HIGH level of 3.4 V
output capacitance load
switching frequency of an output
Figure 1. Typical Characteristics: Supply Current (I
CC
) vs. Clock Frequency (f
S
)
0
10
20
30
40
50
60
70
0
50
100
250
300
V
CC
= 5.0V
f
S
Clock Frequency
MHz
f
data
= 1/2 f
S
T
A
= 25
°
C
C
L
= 0pF
V
CC
= 5.5V
3269 drw 02a
200
150
V
CC
= 4.5V
80
90
I
C
相關(guān)PDF資料
PDF描述
IDT723633L12PF Quad, High Slew Rate, Single-Supply, Op Amp 14-TSSOP 0 to 70
IDT723633L15 Quad, High Slew Rate, Single-Supply, Op Amp 14-SOIC -40 to 105
IDT723633L15PF Quad, High Slew Rate, Single-Supply, Op Amp 14-SOIC -40 to 105
IDT723623 High-Slew-Rate, Single-Supply Operational Amplifier 8-PDIP -40 to 105
IDT723623L12 CMOS BUS-MATCHING SyncFIFOTM 256 x 36, 512 x 36, 1,024 x 36
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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