74LVT245B PHILIPS [NXP Semiconductors], 74LVT245B Datasheet - Page 6

• Manufacturer Part Number: 74LVT245B
• Description: 3.3V Octal transceiver with direction pin (3-State)
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
TEST CIRCUIT AND WAVEFORMS
1999 Mar 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
V
D.U.T.
CC
V
OUT
C
L
OUT
R
R
L
L
of
6.0 V
GND
Open
6
FAMILY
74LVT
NEGATIVE
PULSE
POSITIVE
PULSE
90%
10%
Amplitude
2.7 V
V
V
M
10%
90%
M
Input Pulse Definition
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
V
Rep. Rate
(t
(t
M
F
R
10 MHz
)
)
= 1.5 V
t
t
W
W
10%
90%
500 ns
t
W
V
V
M
M
74LVT245B
Product specification
2.5 ns
90%
10%
t
R
t
t
TLH
THL
SV00092
(t
(t
0V
0V
AMP (V)
AMP (V)
R
F
2.5 ns
)
t
)
F