74ABT2240N データシートの表示（PDF） - Philips Electronics
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74ABT2240N Datasheet PDF : 10 Pages
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Philips Semiconductors
Octal inverting buffer with 30Ω series termination
resistors (3-State)
Product specification
74ABT2240
LOGIC SYMBOL
2 1A0
4 1A1
6 1A2
8 1A3
1 1OE
2A0
17
2A1
15
13 2A2
2A3
11
19 2OE
1Y0 18
1Y1 16
1Y2 14
1Y3
12
2Y0
3
2Y1
5
2Y2
7
2Y3
9
SA00035
LOGIC SYMBOL (IEE/IEC)
FUNCTION TABLE
INPUTS
1OE
1An
2OE
2An
L
L
L
L
L
H
L
H
H
X
H
X
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off” state
SCHEMATIC OF EACH OUTPUT
OUTPUTS
1Yn
2Yn
H
H
L
L
Z
Z
VCC
1
EN
2
18
4
16
6
14
8
12
OUTPUT
19
EN
17
15
13
11
3
5
7
9
SA00036
GND
SA00030
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC
DC supply voltage
–0.5 to +7.0
V
IIK
DC input diode current
VI
DC input voltage3
VI < 0
–18
mA
–1.2 to +7.0
V
IOK
VOUT
DC output diode current
DC output voltage3
VO < 0
output in Off or High state
–50
mA
–0.5 to +5.5
V
IOUT
DC output current
output in Low state
128
mA
Tstg
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.
1998 Jan 16
3
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