Texas Instruments CD74AC20, CD54 74ACT20 Dual 4-Input NAND Gate Data Manual
Summary
Highly reliable dual 4-Input NAND gates built with Advanced CMOS Logic technology. This comprehensive datasheet provides electrical designers and engineers with essential details, including absolute maximum ratings, wide temperature operating ranges (-55°C to 125°C), low power consumption specifics, and detailed propagation delay times. Use this resource for robust circuit design of digital logic systems requiring stable performance in demanding environments.
Page 1 Text Content
查询CD54/74ACT20供应商
CD74AC20, CD54/74ACT20
Data sheet acquired from Harris Semiconductor SCHS229A
September 1998 - Revised May 2000 Dual 4-Input NAND Gate
Features Description Typical Propagation Delay The CD74AC20 and ’ACT20 are dual 4-input NAND gates that
6ns at VCC = 5V, TA = 25o C, CL = 50p F utilize Advanced CMOS Logic technology.
Exceeds 2k V ESD Protection MIL-STD-883, Method
Ordering Information PART TEMP.
SCR-Latchup-Resistant CMOS Process and Circuit
NUMBER RANGE (o C) PACKAGE
Design
CD74AC20E -55 to 125 14 Ld PDIP
Speed of Bipolar FAST™/AS/S with Significantly
[ /Title CD74AC20M -55 to 125 14 Ld SOIC
Reduced Power Consumption
(CD74
CD54ACT20F3A -55 to 125 14 Ld CERDIP
Balanced Propagation Delays
AC20,
CD74ACT20E -55 to 125 14 Ld PDIP
CD74 AC Types Feature 1.5V to 5.5V Operation and
CD74ACT20M -55 to 125 14 Ld SOIC
Balanced Noise Immunity at 30% of the Supply
ACT20
NOTES:
±24m A Output Drive Current
1. When ordering, use the entire part number. Add the suffix to
Fanout to 15 FAST™ ICs
/Sub- obtain the variant in the tape and reel.
Drives 50Ω Transmission Lines
ject 2. Wafer and die for this part number is available which meets all elec- trical specifications. Please contact your local TI sales office or cus-
(Dual
tomer service for ordering information.
4-Input NAND
Gate) Pinout Functional Diagram
/Autho
CD54ACT20
r () (CERDIP) CD74AC20, CD74ACT20
/Key- 1B
(PDIP, SOIC)
words TOP VIEW
(Har-
1A VCC
Semi- 2A
ductor, NC 2C
Advan 1C NC GND = 7 VCC = 14
ced 2D
1D 2B NC = 3, 11
Harris
2Y TRUTH TABLE
Semi-
INPUTS OUTPUTS
ductor, Advan ced TTL) /Cre- ator ()
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
Page Summary Contents For Texas Instruments CD74AC20, CD54 74ACT20 Dual 4-Input NAND Gate Data Manual
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 5 |
| File Size | 28.10 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the typical propagation delay for this device?
The typical propagation delay is 6ns when operating at V = 5V, T = 25C, and C = 50pF.
Are these devices susceptible to static discharge?
Yes, these devices are sensitive to electrostatic discharge (ESD), requiring users to follow proper IC Handling Procedures.
What is the maximum operating junction temperature rating?
The maximum junction temperature for the plastic package is 150°C.
How do I select the correct voltage type (AC vs ACT)?
AC Types operate in the range of 1.5V to 5.5V, while ACT Types function between 4.5V and 5.5V.