ꢀꢁꢂ ꢃ ꢄꢅ ꢀ ꢆꢆ ꢇ ꢄꢈꢉ ꢀꢁꢊ ꢃ ꢄ ꢅꢀ ꢆꢆꢇ ꢄ
ꢋꢌꢄ ꢅꢉꢍ ꢎꢏ ꢉꢁꢐ ꢑꢄꢒ ꢓꢔ ꢐꢎꢐꢋꢑ ꢐ ꢎꢒꢕꢓ ꢑ ꢑ ꢐꢕꢐ ꢋꢉꢖ ꢅ ꢓ ꢗꢎ ꢖꢅ ꢘ ꢗꢀ
ꢙ ꢓꢒ ꢚꢉ ꢗꢕ ꢐ ꢀꢐ ꢒ
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SDAS200 − D2661, APRIL 1982 − REVISED MAY 1986
• Fully Buffered to Offer Maximum isolation
SN54ALS113A . . . J PACKAGE
SN74ALS113A . . . D OR N PACKAGE
from External Disturbance
(TOP VIEW)
• Package Options Include Plastic Small
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
V
1
2
3
4
5
6
7
14
13
12
11
10
9
1 CLK
1K
1J
1PRE
1Q
CC
2CLK
2K
2J
2PRE
2Q
• Dependable Texas Instruments Quality and
Reliability
1Q
GND
TYPICAL POWER
DISSIPATION
PER FLIP-FLOP
TYPICAL MAXIMUM
CLOCK FREQUENCY
2Q
TYPE
8
’ALS113A
40 MHz (C =15 pF)
6 mW
L
SN54ALS113A . . . FK PACKAGE
(TOP VIEW)
description
These devices contain two independent J-K
negative-edge-triggered flip-flops. A low level at
the Preset input sets the outputs regardless of the
levels of the other inputs. When Preset PRE is
inactive (high), data at the J and K inputs meeting
the setup time requirements are transferred to the
outputs on the negative-going edge of the clock
pulse. Clock triggering occurs at a voltage level
and is not directly related to the fall time of the
clock pulse. Following the hold time interval, data
at the J and K inputs may be changed without
affecting the levels at the outputs. These versatile
flip-flops can perform as toggle flip-flops by tying
J and K high.
3
2
1
20 19
18
2K
1J
4
5
6
7
8
NC
2J
NC
17
16
15
14
1PRE
NC
NC
2PRE
1Q
9 10 11 12 13
NC−No internal connection
†
logic symbol
The SN54ALS113A is characterized for operation
4
over the full military temperature range of −55°C
to 125°C. The SN74ALS113A is characterized for
operation from 0°C to 70°C.
S
1PRE
3
5
1Q
1J
1J
1
C1
1K
1CLK
FUNCTION TABLE
2
6
9
8
1K
1Q
2Q
2Q
INPUTS
OUTPUTS
10
PRE
L
CLK
J
X
L
K
X
L
Q
Q
2PRE
11
X
↓
↓
↓
↓
H
H
L
2J
H
Q
Q
0
0
13
2CLK
H
H
L
L
H
L
12
H
H
H
X
L
H
2K
H
H
X
TOGGLE
H
Q
Q
0
0
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for D, J, and N packages.
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Copyright 1986, Texas Instruments Incorporated
5BASIC
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ꢤ ꢨ ꢥ ꢤꢝ ꢞꢲ ꢠꢟ ꢣ ꢫꢫ ꢩꢣ ꢡ ꢣ ꢢ ꢨ ꢤ ꢨ ꢡ ꢥ ꢭ
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1
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