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CD54ACT109 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. CD54ACT109
Description  DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

CD54ACT109 Datasheet(HTML) 1 Page - Texas Instruments

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CD54ACT109, CD74ACT109
DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS327 – JANUARY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Speed of Bipolar F, AS, and S, With
Significantly Reduced Power Consumption
D Balanced Propagation Delays
D ±24-mA Output Drive Current
– Fanout to 15 F Devices
D SCR-Latchup-Resistant CMOS Process and
Circuit Design
D Exceeds 2-kV ESD Protection Per
MIL-STD-883, Method 3015
description/ordering information
The ’ACT109 devices contain two independent J-K positive-edge-triggered flip-flops. A low level at the preset
(PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE
and CLR are inactive (high), data at the J and K inputs meeting the setup-time requirements are transferred to
the outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a voltage level and
is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the J and K inputs
can be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle
flip-flops by grounding K and tying J high. They also can perform as D-type flip-flops if J and K are tied together.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – E
Tube
CD74ACT109E
CD74ACT109E
55
°Cto125°C
SOIC
M
Tube
CD74ACT109M
ACT109M
–55
°C to 125°C
SOIC – M
Tape and reel
CD74ACT109M96
ACT109M
CDIP – F
Tube
CD54ACT109F3A
CD54ACT109F3A
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUTS
PRE
CLR
CLK
J
K
Q
Q
L
H
X
X
X
H
L
H
LX
X
X
L
H
L
LX
X
X
H†
H†
H
H
LL
L
H
H
H
H
L
Toggle
H
H
LH
Q0
Q0
H
H
HH
H
L
H
H
L
X
X
Q0
Q0
‡ Unpredictable and unstable condition if both PRE and CLR
go high simultaneously after both being low at the same
time
CD54ACT109 ...F PACKAGE
CD74ACT109 ...E OR M PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1CLR
1J
1K
1CLK
1PRE
1Q
1Q
GND
VCC
2CLR
2J
2K
2CLK
2PRE
2Q
2Q
Copyright
 2003, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.


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