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參數(shù)資料
| 型號(hào)： | 74F1240D |
| 英文描述： | Dual 4-Bit Inverting Buffer/Driver |
| 中文描述： | 雙4位反向緩沖器/驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | 74F1240D |
Philips Semiconductors
Product specification
74F1240
Octal inverter buffer (3-State)
6
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
Ian, Ibn
V
M
V
M
V
M
V
M
t
PLH
t
PHL
Yn
SF00328
Waveform 1. For Inverting Outputs
Ian, Ibn
V
M
V
M
V
M
V
M
t
PHL
t
PLH
Yn
SF00329
Waveform 2. For Non-inverting Outputs
V
M
V
M
V
M
t
PHZ
t
PZH
V
OH
-0.3V
0V
Yn, Yn
OEn
OEb
SF00330
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
SF00331
3.5V
OEn
OEb
Yn, Yn
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Open Collector Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
R
L
7.0V
SF00128
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
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| 74F1240 | Octal inverter buffer 3-State |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F1240N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 4-Bit Inverting Buffer/Driver |
| 74F1241 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal inverter buffer 3-State |
| 74F1244 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal buffer 3-State |
| 74F1245 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State |
| 74F125 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad Buffer (3-STATE) |
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