74HCT08
QUADRUPLE 2-INPUT AND GATES
Description
The 74HCT08 provides provides four independent 2-input AND gates
with standard push-pull outputs. The device is designed for operation
with a power supply range of 4.5V to 5.5V.
The gates perform the Boolean function:
Pin Assignments
Y
=
A
•
B
or
Y
=
A
+
B
Features
•
•
•
•
•
•
•
Wide Supply Voltage Range from 4.5V to 5.5V
Pin Compatible with Low Power Schottky (LSTTL)
Inputs Are TTL Voltage Level Compatible
Sinks or sources 4mA at V
CC
= 4.5V
CMOS low power consumption
Schmitt Trigger Action at All Inputs
ESD Protection Exceeds JESD 22
200-V Machine Model (A115-A)
2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
•
•
•
Range of Package Options SO-14 and TSSOP-14
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
•
•
General Purpose Logic
Wide array of products such as:
PCs, networking, notebooks, netbooks
Computer peripherals, hard drives, CD/DVD ROM
TV, DVD, DVR, set top box
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
74HCT08
Document number: DS35332 Rev. 3 - 2
1 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74HCT08
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin Name
1A
1B
1Y
2A
2B
2Y
GND
3Y
3A
3B
4Y
4A
4B
V
CC
Function
Data Input
Data Input
Data Output
Data Input
Data Input
Data Output
Ground
Data Output
Data Input
Data Input
Data Output
Data Input
Data Input
Supply Voltage
Logic Diagram
Function Table
Inputs
A
L
L
H
H
B
L
H
L
H
Output
Y
L
L
L
H
74HCT08
Document number: DS35332 Rev. 3 - 2
2 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74HCT08
Absolute Maximum Ratings
(Note 4) (@T
A
= +25°C, unless otherwise specified.)
Symbol
ESD HBM
ESD CDM
ESD MM
V
CC
V
I
I
IK
I
OK
I
O
I
CC
I
GND
T
J
T
STG
P
TOT
Notes:
Description
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
Input Voltage Range (Note 5)
Input Clamp Current
Output Clamp Current
V
I
< -0.5V or Vi > V
CC
+0.5V
V
O
< -0.5V or V
O
> V
CC
+0.5V
Rating
2
1
200
-0.5 to +7.0
-0.5 to +7.0
±20
±20
+/- 25
50
-50
-40 to +150
-65 to +150
500
Unit
KV
KV
V
V
V
mA
mA
mA
mA
mA
°C
°C
mW
Continuous Output Current -0.5V < V
O
V
CC
+0.5V
Continuous Current Through V
CC
Continuous Current Through GND
Operating Junction Temperature
Storage Temperature
Total Power Dissipation
4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should
be within recommend values.
5. Input Voltage cannot exceed V
CC
to the extent the maximum clamp current is exceeded.
Recommended Operating Conditions
(Note 6) (@T
A
= +25°C, unless otherwise specified.)
Symbol
V
CC
V
I
V
O
Δt/ΔV
T
A
Note:
Parameter
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise or Fall Rate
Operating Free-Air Temperature
Conditions
Min
4.5
0
0
Max
5.5
V
CC
V
CC
500
+125
Unit
V
V
V
ns/V
°C
V
CC
= 4.5V to 5.5V
—
-40
6. Unused inputs should be held at V
CC
or Ground.
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol
V
IH
V
IL
V
OH
V
OL
I
I
I
CC
ΔI
CC
Parameter
High-level Input
Voltage
Low-level Input
voltage
High-level Output
Voltage
Low-level Output
Voltage
Input Current
Supply Current
Additional Supply
Current
I
OH
= -20μA
I
OH
= -4mA
I
OL
= 20μA
I
OL
= 4mA
V
I
=GND to 6.0V
V
I
= GND or V
CC
, I
O
= 0
One input at V
CC
–2.1V
Other pins at V
CC
or GND
Test Conditions
V
CC
4.5V to 5.5V
4.5V to 5.5V
4.5V
4.5V
4.5V
4.5V
6.0V
6.0V
4.5V to 5.5V
T
A
= -40°C to +85°C
Min
2.0
—
4.4
3.80
—
—
—
—
—
Max
—
0.8
—
—
0.1
0.33
±1
20
675
4.4
3.70
—
—
—
—
—
—
0.1
0.4
±1
40
735
T
A
= -40°C to +125°C
Min
2.0
Max
—
0.8
Unit
V
V
V
V
μA
μA
μA
74HCT08
Document number: DS35332 Rev. 3 - 2
3 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74HCT08
Switching Characteristics
Symbol
t
PD
t
t
Parameter
Propagation
Delay A
N
to Y
N
Transition Time
Test
Conditions
Figure 1
C
L
= 50pF
Figure 1
C
L
= 50pF
V
CC
4.5V
4.5V
T
A
= +25°C
Min
Typ
Max
—
—
14
7
24
15
-40°C to +85°C
Max
30
19
-40°C to +125°C
Max
36
22
Unit
ns
ns
Operating Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Parameter
C
pd
C
I
Power dissipation
capacitance per gate
Input Capacitance
Test Conditions
f = 1 MHz
V
I
= V
CC
– or GND
V
CC
= 5.5 V
Typ
22
4
Unit
pF
pF
Parameter Measurement Information
V
CC
4.5V
Inputs
V
I
3.0V
t
r
/t
f
3ns
V
M
1.5V
C
L
V
OH
/2
Voltage Waveform
Pulse Duration
Voltage Waveform
Propagation Delay Times
Inverting and Non Inverting Outputs
Notes:
A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate
≤
1 MHz.
C. Inputs are measured separately one transition per measurement.
D. t
PLH
and t
PHL
are the same as t
PD.
Figure 1 Load Circuit and Voltage Waveforms
74HCT08
Document number: DS35332 Rev. 3 - 2
4 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74HCT08
Ordering Information
Device
74HCT08S14-13
74HCT08T14-13
Package Code
S14
T14
Packaging
SO-14
TSSOP-14
7” Tape and Reel
Quantity
Part Number Suffix
2500/Tape & Reel
-13
2500/Tape & Reel
-13
Marking Information
(1) SO-14, TSSOP-14
Part Number
74HCT08S14
74HCT08T14
Package
SO-14
TSSOP-14
74HCT08
Document number: DS35332 Rev. 3 - 2
5 of 8
www.diodes.com
January 2013
© Diodes Incorporated
实时操作系统RTOS
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
