TI CD74ACT20E

CD74AC20,
CD54/74ACT20
Data sheet acquired from Harris Semiconductor
SCHS229A
Dual 4-Input NAND Gate
September 1998 - Revised May 2000
Features
Description
• Typical Propagation Delay
- 6ns at VCC = 5V, TA = 25oC, CL = 50pF
The CD74AC20 and ’ACT20 are dual 4-input NAND gates that
utilize Advanced CMOS Logic technology.
• Exceeds 2kV ESD Protection MIL-STD-883, Method
3015
Ordering Information
PART
NUMBER
• SCR-Latchup-Resistant CMOS Process and Circuit
Design
[ /Title
(CD74
AC20,
CD74
ACT20
)
/Subject
(Dual
4-Input
NAND
Gate)
/Autho
r ()
/Keywords
(Harris
Semiconductor,
Advan
ced
CMOS
, Harris
Semiconductor,
Advan
ced
TTL)
/Creator ()
• Speed of Bipolar FAST™/AS/S with Significantly
Reduced Power Consumption
• Balanced Propagation Delays
• AC Types Feature 1.5V to 5.5V Operation and
Balanced Noise Immunity at 30% of the Supply
TEMP.
RANGE (oC)
CD74AC20E
-55 to 125
14 Ld PDIP
CD74AC20M
-55 to 125
14 Ld SOIC
CD54ACT20F3A
-55 to 125
14 Ld CERDIP
CD74ACT20E
-55 to 125
14 Ld PDIP
CD74ACT20M
-55 to 125
14 Ld SOIC
• ±24mA Output Drive Current
- Fanout to 15 FAST™ ICs
- Drives 50Ω Transmission Lines
NOTES:
Pinout
Functional Diagram
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer and die for this part number is available which meets all electrical specifications. Please contact your local TI sales office or customer service for ordering information.
CD54ACT20
(CERDIP)
CD74AC20, CD74ACT20
(PDIP, SOIC)
TOP VIEW
1A
1B
1C
1D
1A 1
14 VCC
1B 2
13 2D
NC 3
12 2C
1C 4
11 NC
1D 5
10 2B
1Y 6
9 2A
GND 7
8 2Y
2A
2B
2C
2D
1
2
6
4
1Y
5
9
10
8
12
2Y
GND = 7
VCC = 14
NC = 3, 11
13
TRUTH TABLE
INPUTS
OUTPUTS
nA
nB
nC
nD
nY
L
X
X
X
H
X
L
X
X
H
X
X
L
X
H
X
X
X
L
H
H
H
H
H
L
X = Don’t Care
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
FAST™ is a Trademark of Fairchild Semiconductor.
Copyright © 2000, Texas Instruments Incorporated
PACKAGE
1
CD74AC20, CD54/74ACT20
Absolute Maximum Ratings
Thermal Information
DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6V
DC Input Diode Current, IIK
For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, IOK
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA
DC VCC or Ground Current, ICC or IGND (Note 3) . . . . . . . . .±100mA
Thermal Resistance (Typical, Note 5)
θJA (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
90
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
175
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
Operating Conditions
Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Supply Voltage Range, VCC (Note 4)
AC Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5V to 5.5V
ACT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC
Input Rise and Fall Slew Rate, dt/dv
AC Types, 1.5V to 3V . . . . . . . . . . . . . . . . . . . . . . . . . 50ns (Max)
AC Types, 3.6V to 5.5V . . . . . . . . . . . . . . . . . . . . . . . . 20ns (Max)
ACT Types, 4.5V to 5.5V. . . . . . . . . . . . . . . . . . . . . . . 10ns (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.
NOTES:
3. For up to 4 outputs per device, add ±25mA for each additional output.
4. Unless otherwise specified, all voltages are referenced to ground.
5. θJA is measured with the component mounted on an evaluation PC board in free air.
DC Electrical Specifications
TEST
CONDITIONS
PARAMETER
-40oC TO
85oC
25oC
-55oC TO
125oC
SYMBOL
VI (V)
IO (mA)
VCC
(V)
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
VIH
-
-
1.5
1.2
-
1.2
-
1.2
-
V
3
2.1
-
2.1
-
2.1
-
V
AC TYPES
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
VIL
VOH
-
VIH or VIL
-
-0.05
5.5
3.85
-
3.85
-
3.85
-
V
1.5
-
0.3
-
0.3
-
0.3
V
3
-
0.9
-
0.9
-
0.9
V
5.5
-
1.65
-
1.65
-
1.65
V
1.5
1.4
-
1.4
-
1.4
-
V
-0.05
3
2.9
-
2.9
-
2.9
-
V
-0.05
4.5
4.4
-
4.4
-
4.4
-
V
-4
3
2.58
-
2.48
-
2.4
-
V
-24
4.5
3.94
-
3.8
-
3.7
-
V
-75
(Note 6, 7)
5.5
-
-
3.85
-
-
-
V
-50
(Note 6, 7)
5.5
-
-
-
-
3.85
-
V
2
CD74AC20, CD54/74ACT20
DC Electrical Specifications
(Continued)
TEST
CONDITIONS
PARAMETER
Low Level Output Voltage
-40oC TO
85oC
25oC
-55oC TO
125oC
SYMBOL
VI (V)
IO (mA)
VCC
(V)
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
VOL
VIH or VIL
0.05
1.5
-
0.1
-
0.1
-
0.1
V
0.05
3
-
0.1
-
0.1
-
0.1
V
0.05
4.5
-
0.1
-
0.1
-
0.1
V
12
3
-
0.36
-
0.44
-
0.5
V
24
4.5
-
0.36
-
0.44
-
0.5
V
75
(Note 6, 7)
5.5
-
-
-
1.65
-
-
V
50
(Note 6, 7)
5.5
-
-
-
-
-
1.65
V
II
VCC or
GND
-
5.5
-
±0.1
-
±1
-
±1
µA
ICC
VCC or
GND
0
5.5
-
4
-
40
-
80
µA
High Level Input Voltage
VIH
-
-
4.5 to
5.5
2
-
2
-
2
-
V
Low Level Input Voltage
VIL
-
-
4.5 to
5.5
-
0.8
-
0.8
-
0.8
V
High Level Output Voltage
VOH
VIH or VIL
-0.05
4.5
4.4
-
4.4
-
4.4
-
V
-24
4.5
3.94
-
3.8
-
3.7
-
V
-75
(Note 6, 7)
5.5
-
-
3.85
-
-
-
V
-50
(Note 6, 7)
5.5
-
-
-
-
3.85
-
V
0.05
4.5
-
0.1
-
0.1
-
0.1
V
24
4.5
-
0.36
-
0.44
-
0.5
V
75
(Note 6, 7)
5.5
-
-
-
1.65
-
-
V
50
(Note 6, 7)
5.5
-
-
-
-
-
1.65
V
Input Leakage Current
Quiescent Supply Current
SSI
ACT TYPES
Low Level Output Voltage
Input Leakage Current
Quiescent Supply Current
SSI
Additional Supply Current per
Input Pin TTL Inputs High
1 Unit Load
VOL
VIH or VIL
II
VCC or
GND
-
5.5
-
±0.1
-
±1
-
±1
µA
ICC
VCC or
GND
0
5.5
-
4
-
40
-
80
µA
∆ICC
VCC
-2.1
-
4.5 to
5.5
-
2.4
-
2.8
-
3
mA
NOTES:
6. Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize
power dissipation.
7. Test verifies a minimum 50Ω transmission-line-drive capability at 85oC, 75Ω at 125oC.
ACT Input Load Table
INPUT
UNIT LOAD
All
0.27
NOTE: Unit load is ∆ICC limit specified in DC Electrical Specifications
Table, e.g., 2.4mA max at 25oC.
3
CD74AC20, CD54/74ACT20
Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case)
-40oC TO 85oC
PARAMETER
-55oC TO 125oC
SYMBOL
VCC (V)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
tPLH, tPHL
1.5
-
-
139
-
-
153
ns
3.3
(Note 9)
4.4
-
15.5
4.3
-
17.1
ns
5
(Note 10)
3.1
-
11.1
3.1
-
12.2
ns
CI
-
-
-
10
-
-
10
pF
CPD
(Note 11)
-
-
48
-
-
48
-
pF
tPHL
tPLH
5
(Note 10)
3.5
-
12.3
3.4
-
13.5
ns
CI
-
-
-
10
-
-
10
pF
CPD
(Note 11)
-
-
48
-
-
48
-
pF
AC TYPES
Propagation Delay, Input to
Output
Input Capacitance
Power Dissipation Capacitance
ACT TYPES
Propagation Delay, Input to
Output
Input Capacitance
Power Dissipation Capacitance
NOTES:
8. Limits tested at 100%.
9. 3.3V Min at 3.6V, Max at 3V.
10. 5V Min at 5.5V, Max at 4.5V.
11. CPD is used to determine the dynamic power consumption per gate.
AC: PD = VCC2 fi (CPD + CL)
ACT: PD = VCC2 fi (CPD + CL) + VCC ∆ICC where fi = input frequency, CL = output load capacitance, VCC = supply voltage.
tr = 3ns
INPUT
LEVEL
VI
GND
OUTPUT
RL (NOTE)
500Ω
DUT
OUTPUT
LOAD
90%
VS
10% GND
VO
CL
50pF
VS
NOTE: For AC Series Only: When VCC = 1.5V, RL = 1kΩ.
tPHL
AC
ACT
VCC
3V
Input Switching Voltage, VS
0.5 VCC
1.5V
Output Switching Voltage, VS
0.5 VCC
0.5 VCC
Input Level
tf = 3ns
tPLH
FIGURE 2.
FIGURE 1. PROPAGATION DELAY TIMES
4
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Copyright  2000, Texas Instruments Incorporated