74VHCT574AMTCX [ONSEMI]
低压八路D型触发器（带3态输出）;
| 型号： | 74VHCT574AMTCX |
| 厂家： | 
ONSEMI |
| 描述： | 低压八路D型触发器（带3态输出） 驱动 光电二极管 逻辑集成电路 触发器 |
| 文件： | 总10页 (文件大小：224K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Semiconductor 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. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA
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July 1997
Revised April 2005
74VHCT574A
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
Features
The VHCT574A is an advanced high speed CMOS octal
flip-flop with 3-STATE output fabricated with silicon gate
CMOS technology. It achieves the high speed operation
similar to equivalent Bipolar Schottky TTL while maintain-
ing the CMOS low power dissipation. This 8-bit D-type flip-
flop is controlled by a clock input (CP) and an Output
Enable input (OE). When the OE input is HIGH, the eight
outputs are in a high impedance state.
■ High speed: fMAX 140 MHz (typ) at TA 25 C
■ Power Down Protection is provided on all inputs and
outputs.
■ Low Noise: VOLP 1.6V (max)
■ Low Power Dissipation:
ICC
4 A (max) @ TA 25 C
■ Pin and Function Compatible with 74HCT574
Protection circuits ensure that 0V to 7V can be applied to
the input and output (Note 1) pins without regard to the
supply voltage. This device can be used to interface 3V to
5V systems and two supply systems such as battery back
up. This circuit prevents device destruction due to mis-
matched supply and input voltages.
Note 1: Outputs in OFF-State.
Ordering Code:
Order Number
74VHCT574AM
74VHCT574ASJ
74VHCT574AMTC
74VHCT574AN
Package Number
M20B
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
M20D
MTC20
N20A
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Logic Symbol
Connection Diagram
IEEE/IEC
© 2005 Fairchild Semiconductor Corporation
DS500029
www.fairchildsemi.com
Pin Descriptions
Truth Table
Pin Names
Description
Inputs
Outputs
D0–D7
CP
Data Inputs
Dn
H
L
CP
OE
L
On
H
L
Clock Pulse Input 3-STATE
Output Enable Input 3-STATE
Outputs
OE
L
O0–O7
X
X
H
Z
H
L
X
Z
HIGH Voltage Level
LOW Voltage Level
Immaterial
High Impedance
LOW-to-HIGH Transition
Functional Description
The VHCT574A consists of eight edge-triggered flip-flops
with individual D-type inputs and 3-STATE true outputs.
The buffered clock and buffered Output Enable are com-
mon to all flip-flops. The eight flip-flops will store the state
of their individual D inputs that meet the setup and hold
time requirements on the LOW-to-HIGH Clock (CP) transi-
tion. With the Output Enable (OE) LOW, the contents of the
eight flip-flops are available at the outputs. When the OE is
HIGH, the outputs go to the high impedance state. Opera-
tion of the OE input does not affect the state of the flip-
flops.
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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2
Absolute Maximum Ratings(Note 2)
Recommended Operating
Conditions (Note 6)
Supply Voltage (VCC
)
0.5V to 7.0V
0.5V to 7.0V
DC Input Voltage (VIN
)
Supply Voltage (VCC
)
4.5V to 5.5V
0V to 5.5V
DC Output Voltage (VOUT
(Note 3)
)
Input Voltage (VIN
)
0.5V to VCC 0.5V
0.5V to 7.0V
20 mA
Output Voltage (VOUT
)
(Note 4)
(Note 3)
0V to VCC
0V to 5.5V
Input Diode Current (IIK
Output Diode Current (IOK) (Note 5)
DC Output Current (IOUT
DC VCC/GND Current (ICC
)
(Note 4)
20 mA
Operating Temperature (TOPR
)
40 C to 85 C
)
25 mA
Input Rise and Fall Time (tr, tf)
VCC 5.0V 0.5V
)
75 mA
0 ns/V 20 ns/V
Note 2: Absolute Maximum Ratings are values beyond which the device
may be damaged or have its useful life impaired. The databook specifica-
tions should be met, without exception, to ensure that the system design is
reliable over its power supply, temperature, and output/input loading vari-
ables. Fairchild does not recommend operation outside databook specifica-
tions.
Storage Temperature (TSTG
Lead Temperature (TL)
(Soldering, 10 seconds)
)
65 C to 150 C
260 C
Note 3: HIGH or LOW state.
I
absolute maximum rating must be
OUT
observed.
Note 4: When outputs are in OFF-State or when V
OV.
CC
Note 5: V
GND, V
V
(Outputs Active).
OUT
OUT
CC
Note 6: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
V
T
25 C
Typ
T
40 C to 85 C
Min Max
CC
A
A
Symbol
Parameter
Units
Conditions
(V)
4.5
5.5
4.5
5.5
Min
2.0
2.0
Max
V
V
V
V
HIGH Level
2.0
20
IH
V
V
Input Voltage
LOW Level
0.8
0.8
0.8
0.8
IL
Input Voltage
HIGH Level
4.40
3.94
4.50
0.0
4.40
3.80
V
V
V
V
V
V
V
I
OH
50
A
OH
OL
IN
IN
IH
4.5
4.5
Output Voltage
LOW Level
or V
I
8 mA
IL OH
0.1
0.1
V
I
50
A
IH
OL
Output Voltage
3-STATE Output
Off-State Current
Input Leakage
Current
0.36
0.44
or V
I
8 mA
IL OL
I
I
I
I
I
V
V
V
V
or V
IL
OZ
IN
IH
5.5
0.25
0.1
2.5
1.0
A
A
V or GND
CC
OUT
IN
0–5.5
5.5V or GND
IN
Quiescent Supply
Current
5.5
5.5
0.0
4.0
1.35
0.5
40.0
1.50
5.0
A
mA
A
V
V
or GND
CC
IN
IN
CC
Maximum I /Input
CC
V
3.4V
CCT
OFF
Other Input
5.5V
V
or GND
CC
Output Leakage Current
(Power Down State)
V
OUT
3
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Noise Characteristics
T
25 C
Limits
V
(V)
A
CC
Symbol
Parameter
Units
Conditions
Typ
V
Quiet Output Maximum Dynamic V
5.0
1.2
1.6
1.6
2.0
0.8
V
C
C
C
C
50 pF
50 pF
50 pF
50 pF
OLP
OL
L
L
L
L
(Note 7)
V
Quiet Output Minimum Dynamic V
5.0
5.0
5.0
1.2
V
V
V
OLV
OL
(Note 7)
V
Minimum HIGH Level Dynamic Input Voltage
Maximum LOW Level Dynamic Input Voltage
IHD
(Note 7)
V
ILD
(Note 7)
Note 7: Parameter guaranteed by design.
AC Electrical Characteristics
V
T
25 C
Typ
T
A
40 C to 85 C
CC
A
Symbol
Parameter
Units
ns
Conditions
(V)
Min
Max
9.4
Min
Max
10.5
11.5
11.5
12.5
t
t
t
t
t
t
t
t
f
Propagation Delay
Time
4.1
5.6
6.5
7.3
1.0
1.0
1.0
1.0
C
C
C
C
C
15 pF
50 pF
15 pF
50 pF
50 pF
PLH
L
L
L
L
L
5.0 0.5
10.4
10.2
11.2
PHL
3-STATE Output
Enable Time
3-STATE Output
Disable Time
Output to
R
R
1 k
1 k
PZL
L
L
5.0 0.5
5.0 0.5
5.0 0.5
5.0 0.5
ns
PZH
PLZ
7.0
11.2
1.0
1.0
12.0
1.0
ns
PHZ
OSLH
OSHL
MAX
(Note 8)
ns
Output Skew
Maximum Clock
Frequency
90
85
140
130
4
80
75
C
C
15 pF
50 pF
L
MHz
pF
L
C
C
C
Input
10
10
V
V
Open
5.0V
IN
CC
CC
Capacitance
Output
9
pF
pF
OUT
PD
Capacitance
Power Dissipation
Capacitance
25
(Note 9)
Note 8: Parameter guaranteed by design. t
|t
t
|; t
|t
t
|
OSLH
PLH max
PLH min OSHL
PHL max
PHL min
Note 9: C is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
PD
operating current can be obtained by the equation: I (opr.)
C
* V * f
I
/8 (per F/F). The total C when n pcs. of the Octal D Flip-Flop operates
CC
PD
CC
IN
CC PD
can be calculated by the equation: C (total) 20 12n.
PD
AC Operating Requirements
T
25 C
Typ
T
40 C to 85 C
Min Max
V
(V)
A
A
CC
Symbol
Parameter
Units
ns
Min
Max
t
t
t
t
(H)
(L)
Minimum Pulse Width (CP)
W
W
S
5.0 0.5
6.5
8.5
Minimum Set-Up Time
Minimum Hold Time
5.0 0.5
5.0 0.5
2.5
2.5
2.5
2.5
ns
H
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4
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package Number M20B
5
www.fairchildsemi.com
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
www.fairchildsemi.com
6
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC20
7
www.fairchildsemi.com
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N20A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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www.fairchildsemi.com
8
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor 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.
Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor 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. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless 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 ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This
literature is subject to all applicable copyright laws and is not for resale in any manner.
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