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:
1. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Specifications
TEST
CONDITIONS
PARAMETER
HC TYPES
High Level Input
Voltage
V
IH
-
-
2
4.5
6
Low Level Input
Voltage
V
IL
-
-
2
4.5
6
High Level Output
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
I
I
V
CC
or
GND
15
V
OL
V
IH
or V
IL
V
OH
V
IH
or V
IL
–0.02
–0.02
–0.02
–4
–5.2
0.02
0.02
0.02
4
5.2
-
-
2
4.5
6
4.5
6
2
4.5
6
4.5
6
6
6
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.98
5.48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.26
0.26
±0.1
±0.5
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.84
5.34
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.33
0.33
±1
±5
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.7
5.2
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.4
0.4
±1
±5
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
SYMBOL
V
I
(V)
I
O
(mA)
V
CC
(V)
25
o
C
MIN
TYP
MAX
–40
o
C TO 85
o
C
MIN
MAX
–55
o
C TO
125
o
C
MIN
MAX
UNITS
3
CD54HC4049, CD74HC4049, CD54HC4050, CD74HC4050
DC Electrical Specifications
(Continued)
TEST
CONDITIONS
PARAMETER
Quiescent Device
Current
SYMBOL
I
CC
V
I
(V)
V
CC
or
GND
I
O
(mA)
0
25
o
C
MIN
-
TYP
-
MAX
2
–40
o
C TO 85
o
C
MIN
-
MAX
20
–55
o
C TO
125
o
C
MIN
-
MAX
40
UNITS
µA
V
CC
(V)
6
Switching Specifications
Input t
r
, t
f
= 6ns
TEST
CONDITIONS
C
L
= 50pF
25
o
C
V
CC
(V)
2
4.5
6
C
L
= 15pF
Transition Times (Figure 1)
t
TLH
, t
THL
C
L
= 50pF
5
2
4.5
6
Input Capacitance
Power Dissipation Capacitance
(Notes 2, 3)
NOTES:
2. C
PD
is used to determine the dynamic power consumption, per gate.
3. P
D
= V
CC2
f
i
(C
PD
+ C
L
) where f
i
= Input Frequency, C
L
= Output Load Capacitance, V
CC
= Supply Voltage.
C
I
C
PD
-
-
-
5
MIN
-
-
-
-
-
-
-
-
-
TYP
-
-
-
6
-
-
-
-
35
MAX
85
17
14
-
75
15
13
10
-
–40
o
C TO
85
o
C
MIN
-
-
-
-
-
-
-
-
-
MAX
105
21
18
-
95
19
16
10
-
–55
o
C TO
125
o
C
MIN
-
-
-
-
-
-
-
-
-
MAX
130
26
22
-
110
22
19
10
-
UNITS
ns
ns
ns
ns
ns
ns
ns
pF
pF
PARAMETER
HC TYPES
Propagation Delay,
nA to nY HC4049
nA to nY HC4050
SYMBOL
t
PLH,
t
PHL
Test Circuit and Waveform
t
r
= 6ns
INPUT
90%
50%
10%
t
TLH
90%
50%
10%
t
PHL
t
PLH
t
f
= 6ns
V
CC
GND
t
THL
INVERTING
OUTPUT
FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC
DB is connected to the data line of the LCD. FSMC is connected to SRAM, and the FSMC function is used. PF is an external line.I want to ask everyone a question. Is my connection method for STM32 feasi...
There is a competition that requires the use of g2231 microcontrollerI only have a G series USB board and a book.The competition questions should not be difficultLimited to projects such as LED lights...
MATLAB Arduino technical training : https://training.eeworld.com.cn/course/2225[b][size=4]MATLAB Arduino (1): Connecting Arduino UNO and MATLAB in series via USBMATLAB Arduino (2): Connecting and cali...
The program I wrote failed to burn, but the reference code given by others burned successfully. The compiler is CodeWarrior. The chip is MC9S08AW60. The device manager USB MultiLink 2.0 runs normally....
The problem is described as follows: If there are four IO ports, P0.0~P0.3, the triangle button means that P0.0 and P0.1 are connected by a button, P0.0 and P0.2 are pressed by one button, P0.0 and P0...
Background of the problem: I was bored and made a little gadget, but the MCU did not have enough IO ports, so I added a serial expansion IC: 74HC595A. Description of the problem: 1) The system power s...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
"Have you set your calendar reminder?"
On August 24, Nvidia Robotics' official account posted a photo of a black gift box on a social media platform, with an attached greeting card sig...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Based on a survey of more than ten intelligent robot companies, this article sorts out and analyzes the current development status of the intelligent industry and the challenges and differences it ...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
There are many motors that can use thyristor speed control, and they can be used in almost all industries. Various types of motors, such as fans, pumps, AC motors, DC motors, torque motors, single-...[Details]
The range of an electric vehicle is crucial to the driving experience, and range anxiety is a common headache when driving an electric vehicle. Although the latest electric vehicles can achieve a r...[Details]
For new energy vehicles, the importance of batteries is unquestionable. Not only does it determine the performance of the vehicle, but the battery density also has a great relationship with the veh...[Details]
Summer is the peak season for buying and using air conditioners. Do you pay attention to the energy efficiency of your air conditioner? Did you buy a DC inverter air conditioner? Do you know the re...[Details]
According to Reuters, citing people familiar with the matter, British semiconductor design company Arm Holdings (NASDAQ:ARM) has hired Rami Sinno, head of Amazon's (NASDAQ:AMZN) artificial intellig...[Details]
As a core component of electric vehicles, power batteries, like batteries for other electronic products, inevitably experience degradation after a certain period of use due to their characteristics...[Details]
When we pick up an unfamiliar object, the first thing we want to know is what it actually does. A drive shaft, as the name suggests, is a shaft that transmits power. It's the transmission medium th...[Details]
The automotive transmission is the foundation of a vehicle's motion. The vehicle's drivetrain transfers engine power to the drive wheels, enabling the vehicle to move. The vehicle's drivetrain cons...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
