參數(shù)資料
型號： 74HC4351
廠商： NXP Semiconductors N.V.
英文描述： 8-channel analog multiplexer/demultiplexer with latch
中文描述： 8通道模擬多路復用器/解復用器的鎖存
文件頁數(shù)： 16/17頁
文件大?。?/td> 135K
代理商： 74HC4351
December 1990
16
Philips Semiconductors
Product specification
8-channel analog multiplexer/demultiplexer
with latch
74HC/HCT4351
TEST CIRCUIT AND WAVEFORMS
Fig.20 Test circuit for measuring AC performance.
Conditions
TEST
SWITCH
V
is
t
PZH
t
PZL
t
PHZ
t
PLZ
others
V
EE
V
CC
V
EE
V
CC
open
V
CC
V
EE
V
CC
V
EE
pulse
FAMILY
AMPLITUDE
V
M
t
r
; t
f
f
max
;
PULSE WIDTH
<
2 ns
OTHER
74HC
V
CC
50%
6 ns
74HCT
3.0 V
1.3 V
<
2 ns
6 ns
C
L
R
T
t
r
=
=
=
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.
Conditions
TEST
SWITCH
V
is
t
PZH
t
PZL
t
PHZ
t
PLZ
others
V
EE
V
CC
V
EE
V
CC
open
V
CC
V
EE
V
CC
V
EE
pulse
FAMILY
AMPLITUDE
V
M
t
r
; t
f
f
max
;
PULSE WIDTH
<
2 ns
OTHER
74HC
V
CC
50%
6 ns
74HCT
3.0 V
1.3 V
<
2 ns
6 ns
C
L
R
T
t
r
=
=
=
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.
Fig.21 Input pulse definitions.
相關(guān)PDF資料
PDF描述
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