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74ABT2244 Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. 74ABT2244
Description  Octal buffer/line driver with 30ohm series termination resistors 3-State
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74ABT2244 Datasheet(HTML) 6 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74ABT2244
Octal buffer/line driver with 30
Ω series
termination resistors (3-State)
1998 Jan 16
6
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
INPUT
1.5V
OUTPUT
tPLH
tPHL
SA00028
1.5V
1.5V
1.5V
3 V
0 V
VOH
VOL
Waveform 1. Waveforms Showing the Input (An) to Output (Yn)
Propagation Delays
Output Control
(Low-level
enabling
1.5 V
tPZH
tPHZ
VOH
VOL
tPZL
tPLZ
3.5V
0V
VOL + 0.3V
VOH – 0.3V
SA00029
1.5 V
1.5 V
1.5 V
0V
3V
Output
Waveform 1
S1 at 7 V
(see Note)
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.
Output
Waveform 2
S1 at Open
(see Note)
Waveform 2. Waveforms Showing the 3-State Output Enable
and Disable Times
TEST CIRCUIT AND WAVEFORMS
CL = 50 pF
500
Load Circuit
DEFINITIONS
CL =
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
TEST
S1
tpd
open
tPLZ/tPZL
7 V
tPHZ/tPZH
open
SA00012
500
From Output
Under Test
S1
7 V
Open
GND


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