參數(shù)資料
型號: 74ALVT16245
廠商: NXP Semiconductors N.V.
英文描述: 2.5V/3.3V ALVT 16-bit transceiver(3-State)(2.5V/3.3V ALVT 16位收發(fā)器(三態(tài)))
中文描述: 2.5V/3.3V的ALVT 16位收發(fā)器(3態(tài))(2.5V/3.3V的ALVT 16位收發(fā)器(三態(tài)))
文件頁數(shù): 9/12頁
文件大?。?/td> 95K
代理商: 74ALVT16245
Philips Semiconductors
Product specification
74ALVT16245
2.5V/3.3V 16-bit transceiver (3-State)
1998 Feb 13
9
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
X
= V
OL
+ 0.3V at V
CC
V
Y
= V
OH
– 0.3V at V
CC
3.0V, V
M
= V
CC
/2 at V
CC
3.0V, V
X
= V
OL
+ 0.15V at V
CC
3.0V, V
Y
= V
OH
– 0.15V at V
CC
2.7V
2.7V
2.7V
An or Bn
INPUT
Bn or An
OUTPUT
t
PLH
V
M
3.0V or V
CC
whichever
is less
0V
1.5V or V
CC
/2
V
M
V
M
V
OH
SW00023
t
PHL
V
OL
V
M
= 1.5V or V
CC
/2, whichever is less
Waveform 1. Input to Output Propagation Delays
OE INPUT
t
PZH
t
PHZ
OUTPUT
V
OH
V
Y
OUTPUT
V
OL
t
PZL
t
PLZ
6.0V or
V
CC
x 2
0V
V
X
3.0V or V
CC
whichever
is less
V
M
V
M
V
M
V
M
0V
SW00024
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
V
IN
V
OUT
C
L
V
CC
R
L
Test Circuit for 3-State Outputs
V
M
V
M
t
W
NEGATIVE
PULSE
10%
10%
90%
90%
0V
V
M
V
M
t
W
POSITIVE
PULSE
90%
90%
10%
10%
0V
t
THL
(t
F
)
t
TLH
(t
R
)
t
THL
(t
F
)
t
TLH
(t
R
)
DEFINITIONS
R
L
=
Load resistor; see AC CHARACTERISTICS for value.
C
L
=
Load capacitance includes jig and probe capacitance:
See AC CHARACTERISTICS for value.
R
T
=
Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
74ALVT16
SWITCH POSITION
TEST
SWITCH
t
PLZ/
t
PZL
t
PLH/
t
PHL
t
PHZ
/t
PZH
6V or V
CC x 2
Open
GND
6.0V or V
CC
x 2
R
T
R
L
Open
GND
SW00025
D.U.T.
Amplitude
Rep. Rate
t
W
t
R
t
F
3.0V or V
CC
whichever
is less
10MHz
500ns
2.5ns
2.5ns
V
IN
V
IN
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