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74ABT540 Datasheet, PDF (3/10 Pages) NXP Semiconductors – Octal buffer, inverting 3-State
Philips Semiconductors
Octal buffer, inverting (3-State)
Product specification
74ABT540
LOGIC SYMBOL (IEEE/IEC)
1
&
EN
19
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
SA00199
PIN DESCRIPTION
PIN NUMBER
SYMBOL
2, 3, 4, 5,
6, 7, 8, 9
A0 – A7
18, 17, 16, 15,
14, 13, 12, 11
Y0 – Y7
1, 19
OE0, OE1
10
GND
20
VCC
NAME AND FUNCTION
Data inputs
Data outputs
Output enables
Ground (0V)
Positive supply voltage
FUNCTION TABLE
INPUTS
OE0 OE1
An
L
L
L
L
L
H
X
H
X
H
X
X
OUTPUTS
Yn
H
L
Z
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off” state
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC
IIK
VI
IOK
VOUT
IOUT
Tstg
DC supply voltage
DC input diode current
DC input voltage3
DC output diode current
DC output voltage3
DC output current
Storage temperature range
VI < 0
VO < 0
output in Off or High state
output in Low state
–0.5 to +7.0
V
–18
mA
–1.2 to +7.0
V
–50
mA
–0.5 to +5.5
V
128
mA
–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