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Электронный компонент: 74ABT240PWDH

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Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
2
1996 Sep 10
8531608 17274
FEATURES
Octal bus interface
3-State buffers
Output capability: +64mA/32mA
Latch-up protection exceeds 500mA per Jedec Std 17
ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
Power-up 3-State
Live insertion/extraction permitted
DESCRIPTION
The 74ABT240 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT240 device is an octal inverting buffer that is ideal for
driving bus lines. The device features two Output Enables (1OE,
2OE), each controlling four of the 3-State outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
T
amb
= 25
C; GND = 0V
TYPICAL
UNIT
t
PLH
t
PHL
Propagation delay
nAx to nYx
C
L
= 50pF; V
CC
= 5V
3.1
ns
C
IN
Input capacitance
V
I
= 0V or V
CC
4
pF
C
OUT
Output capacitance
Outputs disabled; V
O
= 0V or V
CC
7
pF
I
CCZ
Total supply current
Outputs disabled; V
CC
=5.5V
50
A
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
DWG NUMBER
20-Pin Plastic DIP
40
C to +85
C
74ABT240 N
74ABT240 N
SOT146-1
20-Pin plastic SO
40
C to +85
C
74ABT240 D
74ABT240 D
SOT163-1
20-Pin Plastic SSOP Type II
40
C to +85
C
74ABT240 DB
74ABT240 DB
SOT339-1
20-Pin Plastic TSSOP Type I
40
C to +85
C
74ABT240 PW
74ABT240PW DH
SOT360-1
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
NAME AND FUNCTION
2, 4, 6, 8
1A0 1A3
Data inputs
11, 13, 15,
17
2A0 2A3
Data inputs
18, 16, 14,
12
1Y0 1Y3
Data outputs
9, 7, 5, 3
2Y0 2Y3
Data outputs
1, 19
1OE, 2OE
Output enables
10
GND
Ground (0V)
20
V
CC
Positive supply voltage
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
1Y3
GND
2A2
1Y2
2A1
1Y1
2A0
1Y0
2OE
VCC
2A3
SA00034
Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
1996 Sep 10
3
LOGIC SYMBOL
1
1A0
2
1A1
4
1A2
6
1A3
8
2OE
19
2A0
11
13
15
17
2A1
18
2A2
16
2A3
14
12
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
9
7
5
3
1OE
SA00035
FUNCTION TABLE
INPUTS
OUTPUTS
1OE
1An
2OE
2An
1Yn
2Yn
L
L
L
L
H
H
L
H
L
H
L
L
H
X
H
X
Z
Z
H = High voltage level
L
= Low voltage level
X = Don't care
Z = High impedance "off" state
LOGIC SYMBOL (IEEE/IEC)
EN
1
2
18
4
16
6
14
8
12
19
11
9
13
7
15
5
17
3
EN
SA00036
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
DC supply voltage
0.5 to +7.0
V
I
IK
DC input diode current
V
I
< 0
18
mA
V
I
DC input voltage
3
1.2 to +7.0
V
I
OK
DC output diode current
V
O
< 0
50
mA
V
OUT
DC output voltage
3
output in Off or High state
0.5 to +5.5
V
I
OUT
DC output current
output in Low state
128
mA
T
stg
Storage temperature range
65 to 150
C
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150
C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
1996 Sep 10
4
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
Min
Max
UNIT
V
CC
DC supply voltage
4.5
5.5
V
V
I
Input voltage
0
V
CC
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level Input voltage
0.8
V
I
OH
High-level output current
32
mA
I
OL
Low-level output current
64
mA
t/
v
Input transition rise or fall rate
0
10
ns/V
T
amb
Operating free-air temperature range
40
+85
C
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
C
T
amb
= 40
C
to +85
C
UNIT
Min
Typ
Max
Min
Max
V
IK
Input clamp voltage
V
CC
= 4.5V; I
IK
= 18mA
0.9
1.2
1.2
V
V
CC
= 4.5V; I
OH
= 3mA; V
I
= V
IL
or V
IH
2.5
2.9
2.5
V
V
OH
High-level output voltage
V
CC
= 5.0V; I
OH
= 3mA; V
I
= V
IL
or V
IH
3.0
3.4
3.0
V
V
CC
= 4.5V; I
OH
= 32mA; V
I
= V
IL
or V
IH
2.0
2.4
2.0
V
V
OL
Low-level output voltage
V
CC
= 4.5V; I
OL
= 64mA; V
I
= V
IL
or V
IH
0.42
0.55
0.55
V
I
I
Input leakage current
V
CC
= 5.5V; V
I
= GND or 5.5V
0.01
1.0
1.0
A
I
OFF
Power-off leakage current
V
CC
= 0.0V; V
I
or V
O
4.5V;
5.0
100
100
A
I
PU
/I
PD
Power-up/down 3-state
output current
3
V
CC
= 2.1V; V
O
= 0.5V; V
I
= GND or V
CC
;
V
OE
= Don't care
5.0
50
50
A
I
OZH
3-State output High current
V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
5.0
50
50
A
I
OZL
3-State output Low current
V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
5.0
50
50
A
I
CEX
Output High leakage current
V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
5.0
50
50
A
I
O
Output current
1
V
CC
= 5.5V; V
O
= 2.5V
50
100
180
50
180
mA
I
CCH
V
CC
= 5.5V; Outputs High, V
I
= GND or V
CC
50
250
250
A
I
CCL
Quiescent supply current
V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
24
30
30
mA
I
CCZ
V
CC
= 5.5V; Outputs 3-State;
V
I
= GND or V
CC
50
250
250
A
I
CC
Additional supply current per
input pin
2
Outputs 3-State, one input at 3.4V, other
inputs at V
CC
or GND; V
CC
= 5.5V
0.5
1.5
1.5
mA
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V.
3. This parameter is valid for any V
CC
between 0V and 2.1V, with a transition time of up to 10msec. From V
CC
= 2.1V to V
CC
5V
10% a
transition time of up to 100
sec is permitted.
Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
1996 Sep 10
5
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
C
V
CC
= +5.0V
T
amb
= 40
C to +85
C
V
CC
= +5.0V
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
nAx to nYx
1
1.0
1.6
2.7
3.5
4.1
4.3
1.0
1.6
4.8
4.8
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.1
1.1
3.1
4.2
4.7
5.8
1.1
1.1
5.2
6.2
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
1.8
1.6
3.7
3.0
5.7
5.4
1.8
1.6
6.4
5.8
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
nAx INPUT
VM
VM
nYx OUTPUT
VM
VM
tPHL
tPLH
SA00037
Waveform 1. Waveforms Showing the Input (nAx) to
Output (nYx) Propagation Delays
nOE INPUT
VM
VM
tPZH
tPHZ
nYx OUTPUT
VOH
VM
VM
nYx OUTPUT
VOL
tPZL
tPLZ
3.5V
0V
VOL + 0.3V
VOH 0.3V
SA00017
Waveform 2. Waveforms Showing the 3-State Output
Enable and Disable Times
Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
1996 Sep 10
6
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
RT
VIN
VOUT
CL
RL
VCC
RL
7.0V
Test Circuit for 3-State Outputs
VM
VM
tW
AMP (V)
NEGATIVE
PULSE
10%
10%
90%
90%
0V
VM
VM
tW
AMP (V)
POSITIVE
PULSE
90%
90%
10%
10%
0V
tTHL (tF)
tTLH (tR)
tTHL (tF)
tTLH (tR)
V
M
= 1.5V
Input Pulse Definition
DEFINITIONS
R
L
=
Load resistor; see AC CHARACTERISTICS for value.
C
L
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude
Rep. Rate
t
W
t
R
t
F
74ABT
3.0V
1MHz
500ns
2.5ns
2.5ns
SWITCH POSITION
TEST
SWITCH
t
PLZ
closed
t
PZL
closed
All other
open
SA00012
D.U.T.