Philips 74LV240PW, 74LV240N, 74LV240DB, 74LV240D Datasheet
INTEGRATED CIRCUITS
74LV240
Octal buffer/line driver; inverting (3-State)
Product specification
Supersedes data of 1997 Feb 19
IC24 Data Handbook
1998 May 20
Philips Semiconductors Product specification
74L V240Octal buffer/line driver; inverting (3-State)
FEA TURES
•Wide operating voltage: 1.0 to 5.5 V
•Optimized for low voltage applications: 1.0 to 3.6 V
•Accepts TTL input levels between V
•Typical V
T
amb
•Typical V
T
amb
(output ground bounce) < 0.8 V at V
OLP
= 25°C
(output VOH undershoot) > 2 V at V
OHV
= 25°C
= 2.7 V and V
CC
CC
CC
CC
= 3.3 V,
= 3.3 V,
•Output capability: bus driver
•I
category: MSI
CC
QUICK REFERENCE DATA
GND = 0 V; T
= 25°C; tr = t
amb
SYMBOL
Propagation delay
t
PHL/tPLH
C
I
C
PD
1An to 1Yn;
2An to 2Y
Input capacitance 3.5 pF
Power dissipation capacitance per buffer
NOTE:
1. C
is used to determine the dynamic power dissipation (PD in µW)
PD
= CPD V
P
D
f
= input frequency in MHz; CL = output load capacitance in pF;
i
= output frequency in MHz; VCC = supply voltage in V;
f
o
V
(C
L
2
fi (CL V
CC
2
fo) = sum of the outputs.
CC
≤ 2.5 ns
f
PARAMETER CONDITIONS TYPICAL UNIT
n
2
fo) where:
CC
= 3.6 V
CL = 15 pF;
VCC = 3.3 V
VCC = 3.3 V
VI = GND to V
DESCRIPTION
The 74LV240 is a low-voltage Si-gate CMOS device and is pin and
function compatible with 74HC/HCT240.
The 74LV240 is an octal inverting buffer/line driver with 3-State
outputs. The 3-State outputs are controlled by the output enable
inputs 1OE
assume a high impedance OFF-state. The 74LV240 is identical to
the 74LV244 but has inverting outputs.
CC
and 2OE. A HIGH on nOE causes the outputs to
9.0 ns
1
30 pF
ORDERING INFORMATION
PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA PKG. DWG. #
20-Pin Plastic DIL –40°C to +125°C 74LV240 N 74LV240 N SOT146-1
20-Pin Plastic SO –40°C to +125°C 74LV240 D 74LV240 D SOT163-1
20-Pin Plastic SSOP Type II –40°C to +125°C 74LV240 DB 74LV240 DB SOT339-1
20-Pin Plastic TSSOP Type I –40°C to +125°C 74LV240 PW 74LV240PW DH SOT360-1
PIN CONFIGURATION
1
1OE
1A
2
0
3
2Y
0
4
1A
1
5
2Y
1
6
1A
2
7
2Y
2
8
1A
3
9
2Y
3
10
GND
20
19
18
17
16
15
14
13
12
11
SV00607
V
2OE
1Y
2A
1Y
2A
1Y
2A
1Y
2A
CC
0
0
1
1
2
2
3
3
LOGIC SYMBOL
1A
2
0
2A
17
0
1A
4
1
2A
15
1
1A
6
2
2A
13
2
1A
8
3
2A
11
3
1
1OE
19
2OE
1Y
18
0
2Y
0
1Y
16
1
2Y
1
1Y
14
2
2Y
2
1Y
12
3
2Y
3
SV00608
3
5
7
9
1998 May 20 853–1923 19422
2
Philips Semiconductors Product specification
74LV240Octal buffer/line driver; inverting (3-State)
PIN DESCRIPTION
PIN
NUMBER
1 1OE Output enable input (active LOW)
2, 4, 6, 8 1A0 to 1A3Data inputs
3, 5, 7, 9 2Y0 to 2Y3Bus outputs
10 GND Ground (0 V)
17, 15, 13, 11 2A0 to 2A3Data inputs
18, 16, 14, 12 1Y0 to 1Y3Bus outputs
19 2OE Output enable input (active LOW)
20 V
SYMBOL FUNCTION
CC
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
1
EN
2
4
6
8
19
EN
11
13
15
17
18
16
14
12
9
7
5
3
SV00611
FUNCTIONAL DIAGRAM
1A
2
0
1A
4
1
1A
6
2
1A
8
3
1OE
1
2A
17
0
2A
15
1
2A
13
2
2A
11
3
19
2OE
FUNCTION TABLE
INPUTS OUTPUT
nOE nA
L L H
L H L
H X Z
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
n
1Y
0
1Y
1
1Y
2
1Y
3
2Y
0
2Y
1
2Y
2
2Y
3
SV00610
18
16
14
12
3
5
7
9
nY
n
1998 May 20
3
Philips Semiconductors Product specification
74LV240Octal buffer/line driver; inverting (3-State)
RECOMMENDED OPERATING CONDITIONS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT
V
V
V
T
amb
tr, t
NOTE:
1. The LV is guaranteed to function down to V
V
CC
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0V).
SYMBOL
V
I
I
I
DC supply voltage See Note 1 1.0 3.3 5.5 V
CC
Input voltage 0 – V
I
Output voltage 0 – V
O
Operating ambient temperature range in free air
Input rise and fall times
f
= 5.5V.
CC
See DC and AC
characteristics
VCC = 1.0V to 2.0V
VCC = 2.0V to 2.7V
VCC = 2.7V to 3.6V
VCC = 3.6V to 5.5V
= 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to
–40
–40
–
–
–
–
–
–
–
–
1, 2
PARAMETER CONDITIONS RATING UNIT
DC supply voltage –0.5 to +7.0 V
CC
DC input diode current VI < –0.5 or VI > VCC + 0.5V 20 mA
IK
DC output diode current VO < –0.5 or VO > VCC + 0.5V 50 mA
OK
DC output source or sink current
O
– bus driver outputs
–0.5V < VO < VCC + 0.5V 35 mA
CC
CC
+85
+125
500
200
100
50
V
V
°C
ns/V
I
I
P
GND
T
TOT
DC VCC or GND current for types with
,
– bus driver outputs
CC
Storage temperature range –65 to +150 °C
stg
Power dissipation per package
– plastic DIL
– plastic mini-pack (SO)
– plastic shrink mini-pack (SSOP and TSSOP)
for temperature range: –40 to +125°C
above +70°C derate linearly with 12 mW/K
above +70°C derate linearly with 8 mW/K
above +60°C derate linearly with 5.5 mW/K
70 mA
750
500
mW
400
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 input and output voltage ratings may be exceeded if the input and output current ratings are observed.
1998 May 20
4
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