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參數(shù)資料
| 型號： | 74F242 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad transceiver, inverting (3-State)(四收發(fā)器，反向（三態(tài)）) |
| 中文描述： | 四收發(fā)器，反相（3態(tài)）（四收發(fā)器，反向（三態(tài)）） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 84K |
| 代理商： | 74F242 |
Philips Semiconductors
Product specification
74F242/74F243
Transceivers
1990 Aug 30
7
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 3-State 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
SF00777
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F244 | Octal buffers 3-State |
| 74F244B | Octal buffers 3-State |
| 74F244MSA | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F244PC | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F244SC | Octal Buffers/Line Drivers with TRI-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F242PC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver |
| 74F242QC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver |
| 74F242SC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver |
| 74F243 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
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