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參數(shù)資料
| 型號： | M54HC157K |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16 |
| 封裝： | CERAMIC, DFP-16 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 238K |
| 代理商： | M54HC157K |
M54HC157
5/9
Table 7: Capacitive Characteristics
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC/4(per chan-
nel)
Figure 4: Test Circuit
CL = 50pF or equivalent (includes jig and probe capacitance)
RT =ZOUT of pulse generator (typically 50)
Figure 5: Waveform - Propagation Delay Times (f=1MHz; 50% duty cycle)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5.0
5
10
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
47
pF
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| M54HC157K1 | 制造商:STMicroelectronics 功能描述:MLTPLXR SGL CMOS 8-IN 16PIN FPC - Bulk |
| M54HC157M1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCT157 QUAD 2 CHANNEL MULTIPLEXER HCT158 QUAD 2 CHANNEL MULTIPLEXER INV. |
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