ETC HD74AC112/HD74ACT112

HD74AC112/HD74ACT112
Dual JK Negative Edge-Triggered Flip-Flop
ADE-205-364 (Z)
1st. Edition
Sep. 2000
Description
The HD74AC112/HD74ACT112 features individual J, K, Clock and asynchronous Set and Clear inputs to
each flip-flop. When the clock goes High, the inputs are enabled and data will be accepted. The logic level
of the J and K inputs may change when the clock is High and the bistable will perform according to the
Truth Table as long as minimum setup and hold times are observed. Input data is transferred to the outputs
on the falling edge of the clock pulse.
Features
• Outputs Source/Sink 24 mA
• HD74ACT112 has TTL-Compatible Inputs
Pin Arrangement
CP1 1
16 VCC
K1 2
15 CD1
J1 3
14 CD2
SD1 4
13 CP2
Q1 5
12 K2
Q1 6
11 J2
Q2 7
10 SD2
GND 8
9 Q2
(Top view)
HD74AC112/HD74ACT112
Logic Symbol
4
10
SD1
3
J1
1
CP1
2
K1
Q1
5
11
13
CD1
15
Q1
6 12
SD2
J2
K2
VCC = Pin16
GND = Pin8
Data Inputs
Clock Pulse Inputs (Active Falling Edge)
Direct Clear Inputs (Active Low)
Direct Set Inputs (Active Low)
Outputs
Asynchronous Inputs:
Low input to SD sets Q to High level
Low input to CD sets Q to Low level
Clear and Set are independent of clock
Simultaneous Low on CD and SD makes both Q and Q High
2
9
Q2
7
CP2
Pin Names
J1, J2, K1, K2
CP1, CP2
C D1, CD2
S D1, SD2
Q1, Q2, Q1, Q 2
Q2
CD2
14
HD74AC112/HD74ACT112
Truth Table
Inputs
Outputs
@tn
@tn + 1
J
K
Q
L
L
Qn
L
H
L
H
L
H
H
H
Qn
tn
tn + 1
H
L
:
:
:
:
Bit time before clock pulse.
Bit time after clock pulse.
High Voltage Level
Low Voltage Level
Logic Diagram
SD
Q
CD
J
#CP
CP
Q
K
#
CP
CP
CP
CP
#
#
CP
#
CP
CP
CP
CP
DC Characteristics (unless otherwise specified)
Item
Symbol
Max
Unit
Condition
Maximum quiescent supply current
I CC
40
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
Maximum quiescent supply current
I CC
4.0
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
Maximum additional ICC/input
(HD74ACT112)
I CCT
1.5
mA
VIN = VCC – 2.1 V, VCC = 5.5 V
Ta = Worst case
3
HD74AC112/HD74ACT112
AC Characteristics: HD74AC112
Ta = +25°C
CL = 50 pF
Ta = –40°C to +85°C
CL = 50 pF
Item
Symbol
VCC (V)*1
Min
Typ
Max
Min
Max
Unit
Maximum clock
f max
3.3
125
—
—
100
—
MHz
5.0
150
—
—
125
—
3.3
1.0
11.0
14.0
1.0
15.0
5.0
1.0
8.5
11.0
1.0
12.0
3.3
1.0
11.0
14.0
1.0
15.0
5.0
1.0
8.5
11.0
1.0
12.0
3.3
1.0
9.5
12.5
1.0
13.5
5.0
1.0
7.0
9.5
1.0
10.5
3.3
1.0
11.5
14.5
1.0
15.5
5.0
1.0
9.0
11.0
1.0
12.5
frequency
Propagation delay
t PLH
CP to Q or Q
Propagation delay
t PHL
CP to Q or Q
Propagation delay
t PLH
CD, SD to Q or Q
Propagation delay
t PHL
CD, SD to Q or Q
Note:
ns
1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
AC Operating Requirements: HD74AC112
Ta = –40°C
to +85°C
CL = 50 pF
Ta = +25°C
CL = 50 pF
Item
Symbol
VCC (V)*1 Typ
Guaranteed Minimum
Unit
Setup time
t su
3.3
3.0
5.5
6.0
ns
5.0
2.0
4.5
4.5
3.3
–1.5
0.0
0.0
5.0
–0.5
0.0
0.0
3.3
2.0
5.5
7.0
5.0
2.0
4.5
5.0
3.3
1.5
3.5
3.5
5.0
1.0
3.0
3.0
J or K to CP
Hold time
th
CP to J or K
Pulse width
tw
CP or CD or SD
Recovery time
CD or SD to CP
Note:
4
t rec
1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
HD74AC112/HD74ACT112
AC Characteristics: HD74ACT112
Ta = +25°C
CL = 50 pF
Ta = –40°C to +85°C
CL = 50 pF
Item
Symbol
VCC (V)*1
Min
Typ
Max
Min
Max
Unit
Maximum clock
frequency
f max
5.0
100
—
—
80
—
MHz
Propagation delay
CP to Q or Q
t PLH
5.0
1.0
10.5
13.0
1.0
14.0
ns
Propagation delay
CP to Q or Q
t PHL
5.0
1.0
10.5
13.0
1.0
14.0
Propagation delay
CD, SD to Q or Q
t PLH
5.0
1.0
8.0
10.0
1.0
11.0
Propagation delay
CD, SD to Q or Q
t PHL
5.0
1.0
10.5
12.5
1.0
13.5
Note:
1. Voltage Range 5.0 is 5.0 V ± 0.5 V
AC Operating Requirements: HD74ACT112
Ta = –40°C
to +85°C
CL = 50 pF
Ta = +25°C
CL = 50 pF
Item
Symbol
VCC (V)*1 Typ
Guaranteed Minimum
Unit
Setup time
J or K to CP
t su
5.0
2.5
7.0
8.0
ns
Hold time
CP to J or K
th
5.0
0.0
1.5
1.5
Pulse width
CP or CD or SD
tw
5.0
4.5
7.0
8.0
Recovery time
CD , SD to CP
t rec
5.0
–2.5
3.0
3.0
Note:
1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Capacitance
Item
Symbol
Typ
Unit
Condition
Input capacitance
CIN
4.5
pF
VCC = 5.5 V
Power dissipation capacitance
CPD
35.0
pF
VCC = 5.0 V
5
HD74AC112/HD74ACT112
Package Dimensions
Unit: mm
19.20
20.00 Max
6.30
9
1
7.40 Max
16
8
1.3
0.48 ± 0.10
7.62
2.54 Min 5.06 Max
2.54 ± 0.25
0.51 Min
1.11 Max
+ 0.13
0.25 – 0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
DP-16
Conforms
Conforms
1.07 g
Unit: mm
10.06
10.5 Max
9
1
8
1.27
*0.42 ± 0.08
0.40 ± 0.06
0.10 ± 0.10
0.80 Max
*0.22 ± 0.05
0.20 ± 0.04
2.20 Max
5.5
16
0.20
7.80 +– 0.30
1.15
0° – 8°
0.70 ± 0.20
0.15
0.12 M
*Dimension including the plating thickness
Base material dimension
6
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
FP-16DA
—
Conforms
0.24 g
HD74AC112/HD74ACT112
Unit: mm
9.9
10.3 Max
9
1
8
*0.42 ± 0.08
0.40 ± 0.06
*0.22 ± 0.03
0.20 ± 0.03
0.635 Max
+ 0.11
1.27
0.14 – 0.04
1.75 Max
3.95
16
+ 0.10
6.10 – 0.30
1.08
0° – 8°
0.67
0.60 +– 0.20
0.15
0.25 M
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
*Dimension including the plating thickness
Base material dimension
FP-16DN
Conforms
Conforms
0.15 g
Unit: mm
4.40
5.00
5.30 Max
16
9
1
8
0.65
1.10 Max
0.65 Max
0.10
*Dimension including the plating thickness
Base material dimension
6.40 ± 0.20
0.07 +0.03
–0.04
0.20 ± 0.06
1.0
0.13 M
*0.17 ± 0.05
0.15 ± 0.04
0.08
*0.22 +– 0.07
0° – 8°
0.50 ± 0.10
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
TTP-16DA
—
—
0.05 g
7
HD74AC112/HD74ACT112
Cautions
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copyright, trademark, or other intellectual property rights for information contained in this document.
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intellectual property rights, in connection with use of the information contained in this document.
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received the latest product standards or specifications before final design, purchase or use.
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contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
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products.
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8