74abt2244d NXP Semiconductors, 74abt2244d Datasheet - Page 6

• Manufacturer Part Number: 74abt2244d
• Description: Octal Buffer/line Driver With 30ohm Series Termination Resistors 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
V
TEST CIRCUIT AND WAVEFORMS
1998 Jan 16
Waveform 1. Waveforms Showing the Input (An) to Output (Yn)
M
Octal buffer/line driver with 30
termination resistors (3-State)
OUTPUT
= 1.5V, V
INPUT
DEFINITIONS
C
From Output
Under Test
L
=
IN
C
= GND to 3.0V
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
1.5V
= 50 pF
t
PLH
Propagation Delays
t
t
PHZ
PLZ
TEST
1.5V
t
pd
/t
/t
PZL
PZH
500
Load Circuit
500
open
open
7 V
S1
1.5V
S1
t
PHL
7 V
GND
SA00012
Open
1.5V
SA00028
series
3 V
0 V
V
V
OH
OL
6
Output Control
Waveform 2. Waveforms Showing the 3-State Output Enable
Waveform 1
Waveform 2
S1 at Open
(see Note)
(see Note)
(Low-level
S1 at 7 V
enabling
Output
Output
Note:
Waveform 1 is for an output with internal conditions such that
the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that
the output is high except when disabled by the output control.
t
PZH
t
PZL
1.5 V
and Disable Times
1.5 V
1.5 V
t
PHZ
t
PLZ
1.5 V
74ABT2244
Product specification
V
V
OL
OH
+ 0.3V
– 0.3V
SA00029
3V
0V
3.5V
V
V
0V
OL
OH