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參數(shù)資料
| 型號： | 74LCX244WM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs |
| 中文描述： | LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, LEAD FREE, MS-013AC, SOIC-20 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 66K |
| 代理商： | 74LCX244WM |
74LCX244
4/9
DYNAMIC SWITCHING CHARACTERISTICS
1) Number of outputs defined as ”n”. Measured with ”n-1” outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is
measured in the LOW state.
AC ELECTRICAL CHARACTERISTICS
1) Skew is defined as the absolute value ofthe difference between the actual propagation delayfor anytwo 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
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 TestCircuit). Averageoperating current canbe obtained by the following equation. I
CC(opr)
=C
PD
xV
CC
x f
IN
+I
CC
/8 (percircuit)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25
°
C
Min.
Typ.
Max.
V
OLP
V
OLV
Dynamic Low Level Quiet
Output (note 1)
3.3
C
L
= 50pF
V
IL
= 0V, V
IH
= 3.3V
0.8
-0.8
V
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
2.7
50
500
2.5
1.5
1.5
1.5
1.5
1.5
1.5
7.5
6.5
9.0
8.0
8.0
7.0
1.0
1.5
1.5
1.5
1.5
1.5
1.5
8.2
7.1
10.5
9.2
9.2
7.7
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
t
PZL
t
PZH
Output Enable Time
50
500
2.5
ns
t
PLZ
t
PHZ
Output Disable Time
50
500
2.5
ns
t
OSLH
t
OSHL
Output ToOutput
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
OUT
C
PD
Input Capacitance
3.3
3.3
3.3
V
IN
= 0 to V
CC
V
IN
= 0 to V
CC
f
IN
= 10MHz
V
IN
= 0 or V
CC
6
pF
pF
Output Capacitance
Power Dissipation Capacitance
(note 1)
10
34
pF
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| 74LCX244BQX | Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LCX244WM | 制造商:Fairchild Semiconductor Corporation 功能描述:IC BUFFERS/DRIVERS/RECEIVERS LOGIC ROHS |
| 74LCX244WM | 制造商:Fairchild Semiconductor Corporation 功能描述:74LCX CMOS SMD 74LCX244 SOIC20 |
| 74LCX244WM_Q | 功能描述:緩沖器和線路驅(qū)動器 Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74LCX244WMX | 功能描述:緩沖器和線路驅(qū)動器 Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74LCX244WMX_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs |
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