74ABT2240 Philips Semiconductors, 74ABT2240 Datasheet - Page 5

• Manufacturer Part Number: 74ABT2240
• Description: Octal inverting buffer with 30ohm series termination resistors 3-State
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
AC WAVEFORMS
V
TEST CIRCUIT AND WAVEFORMS
1998 Jan 16
M
SYMBOL
Octal inverting buffer with 30
resistors (3-State)
OUTPUT
= 1.5V, V
INPUT
t
t
t
t
t
t
PLH
PHL
PZH
PHZ
PZL
PLZ
Waveform 1. Waveforms Showing the Input (An)
R
IN
= t
Propagation delay
An to Yn
Output enable time
to High and Low level
Output disable time
from High and Low level
= GND to 3.0V
to Output (Yn) Propagation Delays
F
1.5V
= 2.5ns; C
t
PLH
PARAMETER
1.5V
L
= 50pF, R
L
= 500
1.5V
t
PHL
1.5V
WAVEFORM
series termination
SA00028
1
2
2
3 V
0 V
V
V
OH
OL
5
Min
1.0
3.0
1.5
4.2
1.9
2.5
OE INPUT
Yn OUTPUT
Yn OUTPUT
Waveform 2. Waveforms Showing the 3-State Output
T
V
amb
CC
DEFINITIONS
C
From Output
Under Test
L
Typ
=
= +5.0V
2.8
4.3
3.4
5.5
4.1
3.4
= +25 C
C
V
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
M
L
t
t
PZL
PZH
= 50 pF
Enable and Disable Times
Max
4.0
5.8
4.7
7.6
5.0
5.8
LIMITS
V
V
t
M
M
t
PHZ
PLZ
TEST
t
pd
/t
/t
PZL
PZH
T
amb
500
V
Load Circuit
Min
1.0
3.0
1.5
4.2
1.9
2.5
CC
500
= –40 C to +85 C
= +5.0V 0.5V
open
open
7 V
S1
V
M
t
t
PLZ
PHZ
S1
74ABT2240
Max
4.9
6.0
5.8
8.4
5.6
6.4
Product specification
7 V
GND
SA00012
Open
3.5V
V
V
V
V
OL
OL
OH
OH
UNIT
SA00029
ns
ns
ns
+ 0.3V
– 0.3V
0V