74LVT245 PHILIPS [NXP Semiconductors], 74LVT245 Datasheet - Page 6
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74LVT245
Manufacturer Part Number
74LVT245
Description
3.3V Octal transceiver with direction pin 3-State
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.74LVT245.pdf
(10 pages)
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Philips Semiconductors
TEST CIRCUIT AND WAVEFORMS
1998 Feb 19
3.3V Octal transceiver with direction pin (3-State)
GENERATOR
SWITCH POSITION
DEFINITIONS
R
C
R
t
PULSE
t
t
PLH
T
PHZ
L
L
PLZ
TEST
= Load resistor; see AC CHARACTERISTICS for value.
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
/t
/t
/t
PHL
PZL
PZH
see AC CHARACTERISTICS for value.
pulse generators.
Test Circuit for 3-State Outputs
SWITCH
V
Open
GND
IN
6V
R
T
D.U.T.
V
CC
V
OUT
C
L
OUT
R
R
L
L
of
6.0V
GND
Open
6
FAMILY
74LVT
NEGATIVE
PULSE
POSITIVE
PULSE
90%
10%
Amplitude
2.7V
V
V
M
10%
90%
M
Input Pulse Definition
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
Rep. Rate
V
v10MHz
(t
(t
F
R
M
)
)
= 1.5V
t
t
W
W
10%
90%
500ns v2.5ns v2.5ns
t
W
V
V
M
M
74LVT245
Product specification
90%
10%
t
R
t
t
TLH
THL
SV00092
(t
(t
0V
0V
AMP (V)
AMP (V)
R
F
)
t
)
F