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74ABT240N

Octal inverting buffer 3-State



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Philips Semiconductors
Octal inverting buffer (3-State)
Product specification
74ABT240
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
tPLH
tPHL
CIN
COUT
ICCZ
Propagation delay
nAx to nYx
Input capacitance
Output capacitance
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VI = 0V or VCC
Outputs disabled; VO = 0V or VCC
Outputs disabled; VCC =5.5V
TYPICAL
3.1
4
7
50
UNIT
ns
pF
pF
µA
ORDERING INFORMATION
PACKAGES
20-Pin Plastic DIP
20-Pin plastic SO
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to +85°C
74ABT240 N
–40°C to +85°C
74ABT240 D
–40°C to +85°C
74ABT240 DB
–40°C to +85°C
74ABT240 PW
NORTH AMERICA
74ABT240 N
74ABT240 D
74ABT240 DB
74ABT240PW DH
DWG NUMBER
SOT146-1
SOT163-1
SOT339-1
SOT360-1
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
2, 4, 6, 8 1A0 – 1A3
11, 13, 15,
17
2A0 – 2A3
18, 16, 14,
12
1Y0 – 1Y3
9, 7, 5, 3 2Y0 – 2Y3
1, 19
1OE, 2OE
10 GND
20 VCC
NAME AND FUNCTION
Data inputs
Data inputs
Data outputs
Data outputs
Output enables
Ground (0V)
Positive supply voltage
PIN CONFIGURATION
1OE 1
1A0 2
2Y0 3
1A1 4
2Y1 5
1A2 6
2Y2 7
1A3 8
2Y3 9
GND 10
20 VCC
19 2OE
18 1Y0
17 2A0
16 1Y1
15 2A1
14 1Y2
13 2A2
12 1Y3
11 2A3
SA00034
1996 Sep 10
2 853–1608 17274



No Preview Available !

74ABT240N pdf
Philips Semiconductors
Octal inverting buffer (3-State)
Product specification
74ABT240
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
2 1A0
4 1A1
6 1A2
8 1A3
1 1OE
2A0
17
2A1
15
13 2A2
2A3
11
19 2OE
FUNCTION TABLE
INPUTS
1OE 1An 2OE
LLL
LHL
HXH
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off” state
1Y0 18
1Y1 16
1Y2 14
1Y3
12
2Y0
3
2Y1
5
2Y2
7
2Y3
9
SA00035
OUTPUTS
2An 1Yn 2Yn
L HH
HL L
XZZ
1 EN
2
4
6
8
19 EN
17
15
13
11
18
16
14
12
3
5
7
9
SA00036
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
–1.2 to +7.0
mA
V
IOK DC output diode current
VO < 0
–50 mA
VOUT
DC output voltage3
output in Off or High state
–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.
1996 Sep 10
3



Part Number 74ABT240N
Description Octal inverting buffer 3-State
Maker NXP - NXP
Total Page 5 Pages
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