74abt162240 NXP Semiconductors, 74abt162240 Datasheet - Page 6

• Manufacturer Part Number: 74abt162240
• Description: 16-bit Inverting Buffer/driver With 30ohm Series Termination Resistors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT AND WAVEFORMS
2004 Feb 18
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
nYx OUTPUT
nAx INPUT
16-bit inverting buffer/driver with 30 series
termination resistors (3-State)
DEFINITIONS
R
C
R
GENERATOR
SWITCH POSITION
T
All other
L
L
PULSE
TEST
= Load resistor; see AC CHARACTERISTICS for value.
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
t
t
PLZ
PZL
see AC CHARACTERISTICS for value.
pulse generators.
Test Circuit for 3-State Outputs
V
SWITCH
M
t
closed
PHL
open
7V
V
IN
R
T
V
M
D.U.T.
V
CC
V
OUT
V
t
M
PLH
C
L
V
OUT
M
R
R
SH00091
L
L
of
0
V
V
OH
OL
GND
7.0V
OPEN
6
74ABT16
FAMILY
nYx OUTPUT
nYx OUTPUT
nOE INPUT
NEGATIVE
PULSE
POSITIVE
PULSE
Waveform 2. 3-State Output Enable and Disable Times
90%
10%
Amplitude
3.0V
V
V
V
M
Input Pulse Definition
10%
90%
M
M
t
t
PZH
PZL
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
V
Rep. Rate
(t
(t
F
R
M
1MHz
)
)
V
V
= 1.5V
M
M
t
t
W
W
10%
90%
500ns
74ABT162240
t
V
W
V
M
M
V
M
t
t
PHZ
PLZ
2.5ns
90%
10%
t
R
t
t
TLH
THL
Product data
2.5ns
(t
(t
SH00093
0V
0V
V
V
V
V
AMP (V)
AMP (V)
R
F
t
OL
OL
OH
OH
)
F
)
SH00092
3.5V
0V
+ 0.3V
0V
– 0.3V