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參數(shù)資料
| 型號(hào)： | LVC157A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad 2-input multiplexer |
| 中文描述： | 四2輸入復(fù)用器 |
| 文件頁數(shù)： | 11/17頁 |
| 文件大?。?/td> | 111K |
| 代理商： | LVC157A |
2003 Dec 02
11
Philips Semiconductors
Product specification
Quad 2-input multiplexer
74LVC157A
handbook, full pagewidth
open
GND
50 pF
2
×
VCC
VCC
VI
VO
MNA368
D.U.T.
CL
RT
RL
500
RL
500
PULSE
GENERATOR
S1
Fig.9 Load circuitry for switching times.
Definitions for test circuits:
R
L
= Load resistor.
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to the output impedance Z
o
of the pulse generator.
Note
1.
The circuit performs better when R
L
= 1000
.
V
CC
V
I
C
L
R
L
V
EXT
t
PLH
/t
PHL
open
open
open
t
PZH
/t
PHZ
GND
GND
GND
t
PZL
/t
PLZ
2
×
V
CC
2
×
V
CC
2
×
V
CC
1.2 V
2.7 V
3.0 to 3.6 V
V
CC
2.7 V
2.7 V
50 pF
50 pF
50 pF
500
(1)
500
500
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