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參數(shù)資料
| 型號(hào)： | 74F647 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver/register, non-inverting open-collector |
| 中文描述： | 八路收發(fā)器/寄存器，非反相開(kāi)路集電極 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 115K |
| 代理商： | 74F647 |
Philips Semiconductors
Product specification
74F647/74F649
Octal transceivers/registers (open-collector)
1992 Feb 28
8
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
SF00195
TEST
Open Collector
All other
SWITCH
closed
open
SWITCH POSITION
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| 74F646MSAX | Single 8-bit Bus Transceiver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F648 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F648 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F648A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver/register, non-inverting 3-State |
| 74F648FCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F648FCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
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