74ABT244N NXP Semiconductors, 74ABT244N Datasheet - Page 5

• Manufacturer Part Number: 74ABT244N
• Description: IC, 74ABT BUS INTERFACE, 74ABT244
• Manufacturer: NXP Semiconductors

Specifications of 74ABT244N

• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: DIP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 74
• Ic Generic: RoHS Compliant
• Package / Case: DIP
• Logic Device Type: Buffer / Line Driver, Non Inverting
• Rohs Compliant: Yes

Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
AC WAVEFORMS
V
TEST CIRCUIT AND WAVEFORMS
1998 Jan 16
Waveform 1. Waveforms Showing the Input (An) to Output (Yn)
M
SYMBOL
Octal buffer/line driver (3-State)
OUTPUT
= 1.5V, V
INPUT
t
t
t
t
t
t
PLH
PHL
PZH
PHZ
PZL
PLZ
DEFINITIONS
C
From Output
Under Test
L
=
R
IN
= t
Propagation delay
An to Yn
Output enable time
to High and Low level
Output disable time
from High and Low level
C
= GND to 3.0V
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
F
1.5V
= 50 pF
= 2.5ns; C
t
PLH
Propagation Delays
PARAMETER
t
t
PHZ
PLZ
TEST
1.5V
t
L
pd
/t
/t
PZL
PZH
= 50pF, R
500
Load Circuit
500
open
open
7 V
L
S1
= 500
1.5V
S1
t
PHL
7 V
GND
SA00012
Open
1.5V
WAVEFORM
SA00028
1
2
2
3 V
0 V
V
V
OH
OL
5
Min
1.0
1.0
1.1
2.1
2.1
1.7
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
T
enabling
V
amb
Output
Output
CC
Typ
= +5.0V
2.6
2.9
3.1
4.1
4.1
2.7
= +25 C
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
74ABT244
Max
1.5 V
4.1
4.2
4.6
5.6
5.6
5.2
and Disable Times
1.5 V
1.5 V
T
amb
V
Min
1.0
1.0
1.1
2.1
2.1
1.7
CC
= –40 C to +85 C
t
PHZ
= +5.0V 0.5V
t
PLZ
1.5 V
Max
4.6
4.6
5.1
6.1
6.6
5.7
74ABT244
Product specification
V
V
OL
OH
+ 0.3V
– 0.3V
SA00029
UNIT
3V
0V
3.5V
V
V
0V
ns
ns
ns
OL
OH