ONSEMI SN74LS76AN

SN74LS76A
Dual JK Flip-Flop
with Set and Clear
The SN74LS76A offers individual J, K, Clock Pulse, Direct Set and
Direct Clear inputs. These dual flip-flops are designed so that when
the clock goes HIGH, the inputs are enabled and data will be accepted.
The Logic Level of the J and K inputs will perform according to the
Truth Table as long as minimum set-up times are observed. Input data
is transferred to the outputs on the HIGH-to-LOW clock transitions.
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LOW
POWER
SCHOTTKY
MODE SELECT – TRUTH TABLE
INPUTS
OPERATING
MODE
Set
Reset (Clear)
*Undetermined
Toggle
Load “0” (Reset)
Load “1” (Set)
Hold
*
OUTPUTS
SD
CD
J
K
Q
Q
L
H
L
H
H
H
H
H
L
L
H
H
H
H
X
X
X
h
l
h
l
X
X
X
h
h
l
l
H
L
H
q
L
H
q
L
H
H
q
H
L
q
16
1
PLASTIC
N SUFFIX
CASE 648
Both outputs will be HIGH while both SD and CD are LOW, but the output
states are unpredictable if SD and CD go HIGH simultaneously.
H, h = HIGH Voltage Level
L, I = LOW Voltage Level
X = Immaterial
l, h (q) = Lower case letters indicate the state of the referenced input
16
i, h (q) = (or output) one setup time prior to the HIGH–to–LOW clock transition
1
SOIC
D SUFFIX
CASE 751B
GUARANTEED OPERATING RANGES
Symbol
VCC
Parameter
Supply Voltage
Min
Typ
Max
Unit
4.75
5.0
5.25
V
0
25
70
°C
TA
Operating Ambient
Temperature Range
IOH
Output Current – High
– 0.4
IOL
Output Current – Low
8.0
 Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
ORDERING INFORMATION
Device
Package
Shipping
mA
SN74LS76AN
16 Pin DIP
2000 Units/Box
mA
SN74LS76AD
16 Pin
2500/Tape & Reel
Publication Order Number:
SN74LS76A/D
SN74LS76A
LOGIC DIAGRAM
LOGIC SYMBOL
2
Q
Q
CLEAR (CD)
16
K
1
CP
4
J C Q
D
SET (SD)
K
J
SD
7
Q
15
11
6
CP
9
J C Q
D
10
K
14
SD
Q
12
3
8
VCC = PIN 5
GND = PIN 13
CLOCK (CP)
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
VIH
Input HIGH Voltage
VIL
Input LOW Voltage
VIK
Input Clamp Diode Voltage
VOH
Output HIGH Voltage
VOL
O
Output LOW Voltage
IIH
Min
Parameter
Typ
Max
2.0
0.8
– 0.65
2.7
– 1.5
3.5
Unit
Test Conditions
V
Guaranteed Input HIGH Voltage for
All Inputs
V
Guaranteed Input LOW Voltage for
All Inputs
V
VCC = MIN, IIN = – 18 mA
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
0.25
0.4
V
IOL = 4.0 mA
0.35
0.5
V
IOL = 8.0 mA
J, K
Clear
Clock
20
60
80
µA
VCC = MAX, VIN = 2.7 V
J, K
Clear
Clock
0.1
0.3
0.4
mA
VCC = MAX, VIN = 7.0 V
– 0.4
– 0.8
mA
VCC = MAX, VIN = 0.4 V
–100
mA
VCC = MAX
6.0
mA
VCC = MAX
Input HIGH Current
IIL
Input LOW Current
IOS
Short Circuit Current (Note 1)
ICC
Power Supply Current
J, K
Clear, Clock
– 20
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)
Limits
Symbol
Parameter
fMAX
Maximum Clock Frequency
tPLH
tPHL
Clock Clear
Clock,
Clear, Set to Output
Min
Typ
30
45
Max
Unit
Test Conditions
MHz
15
20
ns
15
20
ns
Max
Unit
VCC = 5.0
50V
CL = 15 pF
F
AC SETUP REQUIREMENTS (TA = 25°C)
Limits
Symbol
Parameter
Min
Typ
tW
Clock Pulse Width High
20
ns
tW
Clear Set Pulse Width
25
ns
ts
Setup Time
20
ns
th
Hold Time
0
ns
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2
Test Conditions
VCC = 5
5.0
0V
SN74LS76A
PACKAGE 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–
16
9
1
8
B
F
C
DIM
A
B
C
D
F
G
H
J
K
L
M
S
L
S
SEATING
PLANE
–T–
K
H
G
D
M
J
16 PL
0.25 (0.010)
T A
M
M
INCHES
MIN
MAX
0.740
0.770
0.250
0.270
0.145
0.175
0.015
0.021
0.040
0.70
0.100 BSC
0.050 BSC
0.008
0.015
0.110
0.130
0.295
0.305
0_
10 _
0.020
0.040
MILLIMETERS
MIN
MAX
18.80
19.55
6.35
6.85
3.69
4.44
0.39
0.53
1.02
1.77
2.54 BSC
1.27 BSC
0.21
0.38
2.80
3.30
7.50
7.74
0_
10 _
0.51
1.01
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B–05
ISSUE J
–A–
16
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.
9
–B–
1
P
8 PL
0.25 (0.010)
8
M
B
S
G
R
K
F
X 45 _
C
–T–
SEATING
PLANE
J
M
D
16 PL
0.25 (0.010)
M
T B
S
A
S
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3
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN
MAX
9.80
10.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0.25
0_
7_
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.386
0.393
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.050 BSC
0.008
0.009
0.004
0.009
0_
7_
0.229
0.244
0.010
0.019
SN74LS76A
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC 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 special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be
validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others.
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4
SN74LS76A/D