參數(shù)資料
型號: 74HCT1G66
廠商: NXP Semiconductors N.V.
英文描述: Bilateral switch(雙向開關(guān))
中文描述: 雙邊開關(guān)(雙向開關(guān))
文件頁數(shù): 12/16頁
文件大?。?/td> 119K
代理商: 74HCT1G66
1998 Aug 03
12
Philips Semiconductors
Product specification
Bilateral switch
74HC1G66;
74HCT1G66
AC WAVEFORMS
Fig.14 The input (V
is
) to output (V
os
) propagation
delays.
handbook, halfpage
MNA087
tPLH
tPHL
VM
(1)
VM
(1)
Vis
Vos
GND
VI
VOH
(2)
VOL
(2)
(1) HC1G V
M
= 50%
HCT1G V
M
= 1.3 V.
(2) V
and V
are the typical output voltage drop that occur with
the output load.
Fig.15 The turn-on and turn-off times.
MNA088
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VY
(3)
VX
(2)
outputs
enabled
OUTPUT
LOW-to-OFF
OFF-to-LOW
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
E INPUT
VI
VCC
VM
(1)
GND
GND
tPZL
tPZH
VM
(1)
VM
(1)
(1) HC1G V
M
= 50%; V
I
= GND to V
CC
HCT1G V
M
= 1.3 V; V
I
= GND to 3.0 V.
(2) V
X
= 10% of signal amplitude.
(3) V
Y
= 90% of signal amplitude.
Fig.16 Test circuit for measuring AC performance.
handbook, halfpage
open
50 pF
RL = 1 k
VCC
VCC
VI
VO
MNA090
D.U.T.
CL
RT
PULSE
GENERATOR
S1
C
= load capacitance including jig and probe capacitance
(see AC CHARACTERISTICS for values)
R
T
= termination resistance should be equal to the output impedance
Z
O
of the pulse generator.
TEST
S
1
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
open
V
CC
GND
Fig.17 Input pulse definitions.
MNA089
tTHL (tf)
tTLH (tr)
tTLH (tr)
tTHL (tf)
VM
(1)
tW
POSITIVE
INPUT PULSE
NEGATIVE
INPUT PULSE
0 V
AMPLITUDE
90%
10%
VM
(1)
tW
0 V
AMPLITUDE
90%
10%
t
= t
= 6 ns, when measuring f
max
, there is no constraint on t
r
, t
f
with
50% duty factor.
(1) HC1G: V
M
= 50%; V
I
= GND to V
CC
HCT1G: V
M
= 1.3 V; V
I
= GND to 3.0 V.
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