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參數(shù)資料
| 型號： | 74F253 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual 4-bit input multiplexer (3-State)(雙4位輸入多路復(fù)用器（三態(tài)）) |
| 中文描述： | 雙4位輸入多路復(fù)用器（3態(tài)）（雙4位輸入多路復(fù)用器（三態(tài)）） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 80K |
| 代理商： | 74F253 |
Philips Semiconductors
Product specification
74F253
Dual 4-input multiplexer (3-State)
1988 Nov 29
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F253_00 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual 4-Input Multiplexer with 3-STATE Outputs |
| 74F253_UKG3026T WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F253_UKH3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F253-02PC | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F253DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Input Digital Multiplexer |
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