CD74HC14MTG4 [TI]
具有施密特触发输入的 6 通道、2V 至 6V 反相器 | D | 14 | -55 to 125;型号: | CD74HC14MTG4 |
厂家: | TEXAS INSTRUMENTS |
描述: | 具有施密特触发输入的 6 通道、2V 至 6V 反相器 | D | 14 | -55 to 125 栅 栅极 |
文件: | 总7页 (文件大小:40K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
CD74HC14,
CD74HCT14
Data sheet acquired from Harris Semiconductor
SCHS129
High Speed CMOS Logic
Hex Inverting Schmitt Trigger
January 1998
at V
= 5V
Features
CC
• HCT Types
• Unlimited Input Rise and Fall Times
• Exceptionally High Noise Immunity
- 4.5V to 5.5V Operation
[ /Title
(CD74H
C14,
CD74H
CT14)
/Subject
(High
Speed
CMOS
Logic
- Direct LSTTL Input Logic Compatibility,
• Fanout (Over Temperature Range)
V = 0.8V (Max), V = 2V (Min)
IL IH
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
- CMOS Input Compatibility, I ≤ 1µA at V , V
OL OH
l
Description
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C
• Balanced Propagation Delay and Transition Times
The Harris CD74HC14, CD74HCT14 each contain 6
inverting Schmitt Triggers in one package.
• Significant Power Reduction Compared to LSTTL
Logic ICs
Ordering Information
• HC Types
TEMP. RANGE
PKG.
NO.
o
PART NUMBER
( C)
PACKAGE
- 2V to 6V Operation
Hex
Invert-
- High Noise Immunity: N = 30%, N = 30% of V
IL IH CC
CD54HCT14F
-55 to 125
14 Ld CERDIP F14.3
Pinout
CD54HC14, CD54HCT14, CD74HC14, CD74HCT14
(PDIP, CERDIP, SOIC)
TOP VIEW
1A
1Y
1
2
3
4
5
6
7
14 V
CC
13 6A
12 6Y
11 5A
10 5Y
2A
2Y
3A
3Y
9
8
4A
4Y
GND
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
File Number 1781.1
Copyright © Harris Corporation 1998
1
CD74HC14, CD74HCT14
Functional Diagram
2
1
1A
1Y
2Y
3Y
4Y
5Y
6Y
4
3
2A
6
5
3A
8
9
4A
11
10
12
5A
13
6A
GND = 7
V
= 14
CC
TRUTH TABLE
INPUT (A)
OUTPUT (Y)
L
H
L
H
NOTE:
H= High Level
L = Low Level
Logic Diagram
nA
nY
2
CD74HC14, CD74HCT14
V
H
V
O
V
= V + - V -
T T
H
V
I
V - V +
T
T
V +
V -
T
T
V
CC
V
V
H
I
GND
V
CC
V
O
GND
FIGURE 3. HYSTERESIS DEFINITION, CHARACTERISTIC, AND TEST SETUP
3
CD74HC14, CD74HCT14
Absolute Maximum Ratings
Thermal Information
o
o
DC Supply Voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
Thermal Resistance (Typical, Note 3)
PDIP Package . . . . . . . . . . . . . . . . . . .
CERDIP Package . . . . . . . . . . . . . . . .
SOIC Package. . . . . . . . . . . . . . . . . . .
θ
( C/W)
θ
( C/W)
CC
DC Input Diode Current, I
For V < -0.5V or V > V
JA
JC
90
130
120
-
55
-
IK
+ 0.5V. . . . . . . . . . . . . . . . . . . . . .±20mA
OK
For V < -0.5V or V > V
I
I
CC
DC Output Diode Current, I
o
+ 0.5V . . . . . . . . . . . . . . . . . . . .±20mA
Maximum Junction Temperature (Hermetic Package or Die) . . . 175 C
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150 C
Maximum Storage Temperature Range . . . . . . . . . .-65 C to 150 C
Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . . 300 C
O
O
CC
o
DC Drain Current, per Output, I
O
o
o
For -0.5V < V < V
+0.5V . . . . . . . . . . . . . . . . . . . . . . . . . .±25mA
O
CC
o
DC Output Source or Sink Current per Output Pin, I
O
For V > -0.5V or V < V
+ 0.5V . . . . . . . . . . . . . . . . . . . .±25mA
(SOIC - Lead Tips Only)
O
O
CC
DC V
or Ground Current, I
. . . . . . . . . . . . . . . . . . . . . . . . .±50mA
CC
CC
Operating Conditions
o
o
Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . -55 C to 125 C
A
Supply Voltage Range, V
CC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, V , V . . . . . . . . . . . . . . . . . 0V to V
I
O
CC
Input Rise and Fall Time, t , t
r
f
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (Max)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
3. θ is measured with the component mounted on an evaluation PC board in free air.
JA
DC Electrical Specifications
TEST
CONDITIONS
o
25 C
o
o
o
o
-40 C TO 85 C
-55 C TO 125 C
PARAMETER
HC TYPES
SYMBOL V (V)
I
(mA)
V
(V)
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
I
O
CC
Input Switch Points
V +
-
-
-
-
2
0.7
1.7
2.1
0.3
0.9
1.2
0.2
0.4
0.6
1.9
4.4
5.9
-
1.5
3.15
4.2
1.0
2.2
3.0
1.0
1.4
1.6
-
0.7
1.7
2.1
0.3
0.9
1.2
0.2
0.4
0.6
1.9
4.4
5.9
-
1.5
3.15
4.2
1.0
2.2
3.0
1.0
1.4
1.6
-
0.7
1.7
2.1
0.3
0.9
1.2
0.2
0.4
0.6
1.9
4.4
5.9
-
1.5
3.15
4.2
1.0
2.2
3.0
1.0
1.4
1.6
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
T
4.5
6
2
V -
-
-
T
4.5
6
V
2
H
4.5
6
High Level Output
Voltage CMOS Loads
V
V - or
-0.02
2
OH
T
V +
T
-0.02
-0.02
-
4.5
6
-
-
-
-
-
-
High Level Output
Voltage TTL Loads
-
-
-
-
-4
4.5
6
3.98
5.48
-
3.84
5.34
-
3.7
5.2
-
-5.2
-
-
-
4
CD74HC14, CD74HCT14
DC Electrical Specifications (Continued)
TEST
o
o
o
o
o
CONDITIONS
25 C
-40 C TO 85 C
-55 C TO 125 C
PARAMETER
SYMBOL V (V) (mA)
I
V
(V)
MIN
MAX
0.1
MIN
MAX
0.1
0.1
0.1
-
MIN
MAX
0.1
0.1
0.1
-
UNITS
I
O
CC
LowLevelOutputVoltage
CMOS Loads
V
V
V
or
IH
0.02
0.02
0.02
-
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
V
OL
IL
4.5
0.1
6
-
0.1
V
Low Level Output Voltage
TTL Loads
-
V
4
4.5
6
0.26
0.26
±0.1
0.33
0.33
±1
0.4
0.4
±1
V
5.2
-
V
Input Leakage Current
I
V
or
6
µA
I
CC
GND
Quiescent Device
Current
I
V
GND
or
0
-
6
-
2
-
20
-
40
µA
CC
CC
HCT TYPES
Input Switch Points
V +
-
4.5
5.5
4.5
5.5
4.5
5.5
4.5
1.2
1.4
0.5
0.6
0.4
0.4
4.4
1.9
2.1
1.2
1.4
1.4
1.5
-
1.2
1.4
0.5
0.6
0.4
0.4
4.4
1.9
2.1
1.2
1.4
1.4
1.5
-
1.2
1.4
0.5
0.6
0.4
0.4
4.4
1.9
2.1
1.2
1.4
1.4
1.5
-
V
V
V
V
V
V
V
T
V -
T
V
H
High Level Output
Voltage CMOS Loads
V
V
or
IH
-0.02
-4
OH
V
IL
High Level Output
Voltage TTL Loads
4.5
4.5
4.5
5.5
3.98
-
3.84
-
3.7
-
V
V
LowLevelOutputVoltage
CMOS Loads
V
V
or
IH
0.02
4
-
-
-
0.1
-
-
-
0.1
0.33
±1
-
-
-
0.1
0.4
±1
OL
V
IL
Low Level Output Voltage
TTL Loads
0.26
±0.1
V
Input Leakage Current
I
V
-
µA
I
CC
and
GND
Quiescent Device
Current
I
V
GND
or
0
-
5.5
-
-
2
-
-
20
-
-
40
µA
µA
CC
CC
Additional Quiescent
Device Current Per Input (Note 4)
∆I
CC
V
4.5 to
5.5
360
450
490
CC
- 2.1
Pin: 1 Unit Load
NOTE:
4. For dual-supply systems theoretical worst case (V = 2.4V, V
I
= 5.5V) specification is 1.8mA.
CC
HCT Input Loading Table
INPUT
nA
UNIT LOADS
0.6
NOTE: Unit Load is ∆I
tions table, e.g., 360µA max at 25 C.
limit specified in DC Electrical Specifica-
CC
o
5
Switching Specifications Input t , t = 6ns
r
f
o
o
o
o
o
25 C
-40 C TO 85 C -55 C TO 125 C
TEST
V
CC
PARAMETER
HC TYPES
SYMBOL CONDITIONS (V)
MIN TYP MAX
MIN
MAX
MIN
MAX
UNITS
Propagation Delay,
A to Y
t
, t
C = 50pF
2
4.5
5
-
-
-
-
-
-
-
-
-
-
-
135
27
-
-
-
-
-
-
-
-
-
-
170
34
-
-
-
205
41
-
ns
ns
ns
ns
ns
ns
ns
pF
pF
PLH PHL
L
C = 50pF
L
C = 15pF
11
-
-
L
C = 50pF
6
23
75
15
13
10
-
29
95
19
16
10
-
-
35
110
22
19
10
-
L
Output Transition Times
Input Capacitance
t
, t
TLH THL
C = 50pF
L
2
-
18
-
4.5
6
-
-
-
C
-
-
-
-
-
I
Power Dissipation Capacitance
(Notes 5, 6)
C
5
20
-
PD
HCT TYPES
Propagation Delay,
A to Y
t
, t
C = 50pF
4.5
5
-
-
-
-
-
-
16
-
38
-
-
-
-
-
-
48
-
-
-
-
-
-
57
-
ns
ns
ns
pF
pF
PLH PHL
L
C = 15pF
L
Output Transition Times
Input Capacitance
t
, t
TLH THL
C = 50pF
L
4.5
-
15
10
-
19
10
-
22
10
-
C
-
-
-
I
Power Dissipation Capacitance
(Notes 5, 6)
C
5
20
PD
NOTES:
5. C
is used to determine the dynamic power consumption, per inverter.
2
PD
6. P = V
f (C
PD
+ C ) where f = input frequency, C = output load capacitance, V = supply voltage.
CC
D
CC
i
L
i
L
Test Circuits and Waveforms
t = 6ns
f
t = 6ns
t = 6ns
t = 6ns
r
r
f
V
3V
CC
90%
50%
10%
2.7V
1.3V
0.3V
INPUT
INPUT
GND
GND
t
t
t
t
THL
TLH
THL
TLH
90%
1.3V
90%
50%
10%
INVERTING
OUTPUT
INVERTING
OUTPUT
10%
t
t
PLH
PHL
t
t
PLH
PHL
FIGURE 4. HC TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 5. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
6
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER
CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO
BE FULLY AT THE CUSTOMER’S RISK.
In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright 1998, Texas Instruments Incorporated
相关型号:
CD74HC151EX
Multiplexer, HC/UH Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, CMOS, PDIP16
ROCHESTER
©2020 ICPDF网 联系我们和版权申明