Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1 Publication Order Number:
SN74LS365A/D
SN74LS365A SN74LS367A
SN74LS368A
3-State Hex Buffers
These devices are high speed hex buffers with 3-state outputs. They
are organized as single 6-bit or 2-bit/4-bit, with inverting or
non-inverting data (D) paths. The outputs are designed to drive 15
TTL Unit Loads or 60 Low Power Schottky loads when the Enable (E)
is LOW.
When the Output Enable (E) is HIGH, the outputs are forced to a
high impedance “off” state. If the outputs of the 3-state devices are tied
together, all but one device must be in the high impedance state to
avoid high currents that would exceed the maximum ratings.
Designers should ensure that Output Enable signals to 3-state devices
whose outputs are tied together are designed so there is no overlap.
GUARANTEED OPERATING RANGES
Symbol Parameter Min Typ Max Unit
V
CC
Supply Voltage 4.75 5.0 5.25 V
T
A
Operating Ambient
T emperature Range
0 25 70 °C
I
OH
Output Current – High –2.6 mA
I
OL
Output Current – Low 24 mA
LOW
POWER
SCHOTTKY
Device Package Shipping
ORDERING INFORMATION
SN74LS365AN 16 Pin DIP 2000 Units/Box
SN74LS365AD 16 Pin
SOIC
D SUFFIX
CASE 751B
http://onsemi.com
2500/Tape & Reel
PLASTIC
N SUFFIX
CASE 648
16
1
16
1
SN74LS367AN 16 Pin DIP 2000 Units/Box
SN74LS367AD 16 Pin
2500/Tape & Reel
SN74LS368AN 16 Pin DIP 2000 Units/Box
SN74LS368AD 16 Pin
2500/Tape & Reel
SN74LS365A SN74LS367A SN74LS368A
http://onsemi.com
2
14 13 12 11 10 9
123456
7
16 15
8
V
CC
E
1
E
2
GND
14 13 12 11 10 9
123456
7
16 15
8
V
CC
E
E
GND
SN74LS365A
HEX 3-STATE BUFFER WITH
COMMON 2-INPUT NOR ENABLE
SN74LS367A
HEX 3-STATE BUFFER
SEPARATE 2-BIT AND 4-BIT SECTIONS
SN74LS368A
HEX 3-STATE INVERTER BUFFER
SEPARATE 2-BIT AND 4-BIT SECTIONS
14 13 12 11 10 9
123456
7
16 15
8
V
CC
E
E
GND
TRUTH TABLE
INPUTS
OUTPUT
E1E2D
L
L
H
X
L
L
X
H
L
H
X
X
L
H
(Z)
(Z)
TRUTH TABLE
INPUTS
OUTPUT
E D
L
L
H
L
H
X
L
H
(Z)
TRUTH TABLE
INPUTS
OUTPUT
E D
L
L
H
L
H
X
H
L
(Z)
SN74LS365A SN74LS367A SN74LS368A
http://onsemi.com
3
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol Parameter
Min Typ Max
Unit Test Conditions
V
IH
Input HIGH Voltage 2.0 V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V
IK
Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA
V
OH
Output HIGH Voltage 2.4 3.1 V VCC = MIN, IOH = MAX, VIN = V
IH
or VIL per Truth Table
p
0.25 0.4 V IOL = 12 mA
VCC = VCC MIN,
VOLOutput LOW Voltage
0.35 0.5 V IOL = 24 mA
V
IN
=
V
IL
or
V
IH
per Truth Table
I
OZH
Output Off Current HIGH 20 µA VCC = MAX, V
OUT
= 2.7 V
I
OZL
Output Off Current LOW –20 µA VCC = MAX, V
OUT
= 0.4 V
p
20 µA VCC = MAX, VIN = 2.7 V
IIHInput HIGH Current
0.1 mA VCC = MAX, VIN = 7.0 V
Input LOW Current
E
Inputs
–0.4 mA VCC = MAX, VIN = 0.4 V
I
IL
D Inputs –20 µA
VCC = MAX, VIN = 0.5 V
Either E
Input at 2.0 V
–0.4 mA
VCC = MAX, VIN = 0.4 V
Both E
Inputs at 0.4 V
I
OS
Short Circuit Current (Note 1) –40 –225 mA VCC = MAX
I
CC
Power Supply Current
LS365A, 367A
24
mA VCC = MAX
CC
LS368A 21
CC
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (T
A
= 25°C, VCC = 5.0 V)
Limits
LS365A/LS367A LS366A/LS368A
Symbol Parameter
Min Typ Max Min Typ Max
Unit Test Conditions
t
PLH
t
PHL
Propagation Delay
10
9.01622
7.01215
18
ns
CL = 45 pF,
t
PZH
t
PZL
Output Enable Time
192435
40
182835
45
ns
L
RL = 667 Ω
t
PHZ
t
PLZ
Output Disable Time
30
35
32
35
ns CL = 5.0 pF
SN74LS365A SN74LS367A SN74LS368A
http://onsemi.com
4
P ACKAGE DIMENSIONS
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ISSUE R
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
–A–
B
F
C
S
H
G
D
J
L
M
16 PL
SEATING
18
916
K
PLANE
–T–
M
A
M
0.25 (0.010) T
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.70 1.02 1.77
G 0.100 BSC 2.54 BSC
H 0.050 BSC 1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M 0 10 0 10
S 0.020 0.040 0.51 1.01
____
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B–05
ISSUE J
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
18
16 9
SEATING
PLANE
F
J
M
R
X 45
_
G
8 PLP
–B–
–A–
M
0.25 (0.010) B
S
–T–
D
K
C
16 PL
S
B
M
0.25 (0.010) A
S
T
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G 1.27 BSC 0.050 BSC
J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0 7 0 7
P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019
____
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