參數(shù)資料
型號(hào): 74HC4067
廠商: NXP Semiconductors N.V.
英文描述: 16-channel analog multiplexer/demultiplexer
中文描述: 16通道模擬多路復(fù)用器/解復(fù)用器
文件頁數(shù): 15/15頁
文件大?。?/td> 129K
代理商: 74HC4067
September 1993
15
Philips Semiconductors
Product specification
16-channel analog
multiplexer/demultiplexer
74HC/HCT4067
TEST CIRCUIT AND WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
Fig.18 Test circuit for measuring AC performance.
Conditions
TEST
SWITCH
V
is
V
CC
GND
V
CC
GND
pulse
t
PZH
t
PZL
t
PHZ
t
PLZ
others
GND
V
CC
GND
V
CC
open
C
L
=
load capacitance including jig and
probe capacitance (see AC
CHARACTERISTICS for values).
termination resistance should be equal
to the output impedance Z
O
of the
pulse generator.
t
f
= 6 ns, when measuring f
max
, there is
no constraint on t
r
, t
f
with 50% duty
factor.
R
T
=
t
r
=
Fig.19 Input pulse definitions.
FAMILY
AMPLI-
TUDE
V
M
t
r
, t
f
f
max
;
PULSE WIDTH
<
2 ns
1.3 V
<
2 ns
OTHER
74HC
74HCT
V
CC
3.0 V
50%
6 ns
6 ns
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