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參數資料
| 型號： | 74LCX138 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low Voltage 1-of-8 Decoder/Demultiplexer with 5V Tolerant Inputs |
| 中文描述： | 低電壓1 - 8解碼器/有5V容限輸入復用器 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 299K |
| 代理商： | 74LCX138 |
74LCX138
5/12
Table 8: AC Electrical Characteristics
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW (t
OSLH
= | t
PLHm
- t
PLHn
|, t
OSHL
= | t
PHLm
- t
PHLn
|)
2) Parameter guaranteed by design
Table 9: Capacitive Characteristics
1) C
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. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
Figure 4: Test Circuit
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
L
= 500
or equivalent
R
T
= Z
OUT
of pulse generator (typically 50
)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
R
L
(
)
t
s
=
t
r
(ns)
-40 to 85 °C
-55 to 125 °C
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time A, B, C to Y
2.7
50
500
2.5
7.9
6.7
6.4
5.8
7.4
6.5
1.0
7.9
6.7
6.4
5.8
7.4
6.5
1.0
ns
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
3.0 to 3.6
1.5
1.5
t
PLH
t
PHL
Propagation Delay
Time G1 to Y
50
500
2.5
ns
1.5
1.5
t
PLH
t
PHL
Propagation Delay
Time G2 to Y
50
500
2.5
ns
1.5
1.5
t
OSLH
t
OSHL
Output To Output
Skew Time (note1,
2)
50
500
2.5
ns
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25 °C
Min.
Typ.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation Capacitance
(note 1)
3.3
3.3
V
IN
= 0 to V
CC
f
IN
= 10MHz
V
IN
= 0 or V
CC
6
42
pF
pF
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相關代理商/技術參數 |
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| 74LCX138_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low voltage CMOS 3 to 8 line decoder (Inverter) with 5V tolerant inputs |
| 74LCX138BQX | 功能描述:編碼器、解碼器、復用器和解復用器 1 of 8 Decoder/ Demultiplexer with RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LCX138BQXDQFN | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage 1-of-8 Decoder/Demultiplexer with 5V Tolerant Inputs |
| 74LCX138M | 功能描述:編碼器、解碼器、復用器和解復用器 1-of-8 Decode/Demult RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LCX138M | 制造商:Fairchild Semiconductor Corporation 功能描述:74LCX CMOS SMD 74LCX138 SOIC16 |
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