5-516
FAST AND LS TTL DATA
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
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
55
0
25
25
125
70
C
IOH
Output Current -- High
54
74
1.0
2.6
mA
IOL
Output Current -- Low
54
74
12
24
mA
SN54/74LS365A
SN54/74LS366A
SN54/74LS367A
SN54/74LS368A
3-STATE HEX BUFFERS
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
Ceramic
SN74LSXXXN
Plastic
SN74LSXXXD
SOIC
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
16
1
D SUFFIX
SOIC
CASE 751B-03
5-517
FAST AND LS TTL DATA
SN54/74LS365A
SN54/74LS366A
SN54/74LS367A
SN54/74LS368A
14
13
12
11
10
9
1
2
3
4
5
6
7
16
15
8
VCC
E1
E2
GND
14
13
12
11
10
9
1
2
3
4
5
6
7
16
15
8
VCC
E
E
GND
SN54 / 74LS365A
HEX 3-STATE BUFFER WITH
COMMON 2-INPUT NOR ENABLE
SN54 / 74LS366A
HEX 3-STATE INVERTER BUFFER
WITH COMMON 2-INPUT NOR ENABLE
SN54 / 74LS367A
HEX 3-STATE BUFFER
SEPARATE 2-BIT AND 4-BIT SECTIONS
SN54 / 74LS368A
HEX 3-STATE INVERTER BUFFER
SEPARATE 2-BIT AND 4-BIT SECTIONS
14
13
12
11
10
9
1
2
3
4
5
6
7
16
15
8
VCC
E
E
GND
TRUTH TABLE
INPUTS
OUTPUT
E1
E2
D
L
L
H
X
L
L
X
H
L
H
X
X
L
H
(Z)
(Z)
TRUTH TABLE
INPUTS
OUTPUT
E1
E2
D
L
L
H
X
L
L
X
H
L
H
X
X
H
L
(Z)
(Z)
14
13
12
11
10
9
1
2
3
4
5
6
7
16
15
8
VCC
E1
E2
GND
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)
5-518
FAST AND LS TTL DATA
SN54/74LS365A
SN54/74LS366A
SN54/74LS367A
SN54/74LS368A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
VIL
Input LOW Voltage
74
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
0.65
1.5
V
VCC = MIN, IIN = 18 mA
VOH
Output HIGH Voltage
54
2.4
3.4
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOH
Output HIGH Voltage
74
2.4
3.1
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
per Truth Table
IOZH
Output Off Current HIGH
20
A
VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current LOW
20
A
VCC = MAX, VOUT = 0.4 V
IIH
Input HIGH Current
20
A
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
E Inputs
0.4
mA
VCC = MAX, VIN = 0.4 V
IIL
D Inputs
20
A
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
IOS
Short Circuit Current (Note 1)
40
225
mA
VCC = MAX
ICC
Power Supply Current
LS365A, 367A
24
mA
VCC = MAX
ICC
LS366A, 368A
21
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(TA = 25
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
LS365A / LS367A
LS366A / LS368A
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay
10
9.0
16
22
7.0
12
15
18
ns
CL = 45 pF,
RL = 667
tPZH
tPZL
Output Enable Time
19
24
35
40
18
28
35
45
ns
CL = 45 pF,
RL = 667
tPHZ
tPLZ
Output Disable Time
30
35
32
35
ns
CL = 5.0 pF
5-519
FAST AND LS TTL DATA
MIN
MIN
MAX
MAX
MILLIMETERS
INCHES
DIM
A
B
C
D
F
G
J
K
M
P
R
9.80
3.80
1.35
0.35
0.40
0.19
0.10
0
5.80
0.25
10.00
4.00
1.75
0.49
1.25
0.25
0.25
7
6.20
0.50
0.386
0.150
0.054
0.014
0.016
0.008
0.004
0
0.229
0.010
0.393
0.157
0.068
0.019
0.049
0.009
0.009
7
0.244
0.019
1.27 BSC
0.050 BSC
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. 751B 01 IS OBSOLETE, NEW STANDARD
751B 03.
1
8
9
16
-A-
-B-
P
16 PL
D
-T-
K
C
G
M
R X 45
F
J
8 PL
SEATING
PLANE
Case 751B-03 D Suffix
16-Pin Plastic
SO-16
B
0.25 (0.010)
M
M
T
0.25 (0.010)
B
A
M
S
S
Case 648-08 N Suffix
16-Pin Plastic
MIN
MIN
MAX
MAX
MILLIMETERS
INCHES
DIM
A
B
C
D
F
G
H
J
K
L
M
S
18.80
6.35
3.69
0.39
1.02
0.21
2.80
7.50
0
0.51
19.55
6.85
4.44
0.53
1.77
0.38
3.30
7.74
10
1.01
0.740
0.250
0.145
0.015
0.040
0.008
0.110
0.295
0
0.020
0.770
0.270
0.175
0.021
0.070
0.015
0.130
0.305
10
0.040
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.
6. 648 01 THRU 07 OBSOLETE, NEW STANDARD
648 08.
2.54 BSC
1.27 BSC
0.100 BSC
0.050 BSC
-A-
B
1
8
9
16
F
H
G
D
16 PL
S
C
-T-
SEATING
PLANE
K
J
M
L
T A
0.25 (0.010)
M
M
Case 620-09 J Suffix
16-Pin Ceramic Dual In-Line
MIN
MIN
MAX
MAX
MILLIMETERS
INCHES
DIM
19.05
6.10
0.39
1.40
0.23
0
0.39
19.55
7.36
4.19
0.53
1.77
0.27
5.08
15
0.88
0.750
0.240
0.015
0.055
0.009
0
0.015
0.770
0.290
0.165
0.021
0.070
0.011
0.200
15
0.035
1.27 BSC
2.54 BSC
7.62 BSC
0.050 BSC
0.100 BSC
0.300 BSC
A
B
C
D
E
F
G
J
K
L
M
N
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIM F MAY NARROW TO 0.76 (0.030) WHERE
THE LEAD ENTERS THE CERAMIC BODY.
5. 620 01 THRU 08 OBSOLETE, NEW STANDARD
620 09.
-B-
-A-
16 PL
-T-
C
D
E
F
G
J
K
M
N
SEATING
PLANE
16 PL
L
16
9
1
8
0.25 (0.010)
T A
M
S
0.25 (0.010)
T B
M
S
5-520
FAST AND LS TTL DATA
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different
applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does
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against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
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