CD74ACT161M Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

TI CD74ACT161M is a 4-bit synchronous presettable binary up counter with asynchronous reset and TCO output, in 16-pin SOIC. Maximum clock frequency 91 MHz over -55 to 125°C. In stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
CD74ACT161MSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $0.4768(MOQ 120)
Temp Range
-55.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of CD74ACT161M?

  • Synchronous 4-bit binary up counter with parallel load capability
  • Asynchronous master reset clears all outputs independently of the clock
  • Terminal Count Output (TCO) simplifies cascading counters
  • High maximum clock frequency of 91 MHz at nominal supply
  • Full military/industrial temperature range -55°C to 125°C operation
  • ACT-family TTL-compatible inputs for mixed CMOS/TTL logic systems

What is CD74ACT161M used for?

Used in address generators, frequency dividers, programmable timing logic, and event-counting state machines across industrial control, instrumentation, and aerospace systems. Typical designs include memory address counters in legacy CPU boards, clock dividers in test equipment, and pulse counting in industrial sensor interfaces.

What are the specifications of CD74ACT161M?

YTEOL0
Additional FeatureTCO OUTPUT
Count DirectionUP
FamilyACT
JESD-30 CodeR-PDSO-G16
JESD-609 Codee4
Load Capacitance (CL)50pF
Load/Preset InputYES
Logic IC TypeBINARY COUNTER
Max Frequency@Nom-Sup91000000Hz
Max I(ol)0.024A
Mode of OperationSYNCHRONOUS
Number of Bits4
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP16,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)0.08mA
Prop. Delay@Nom-Sup15ns
Propagation Delay (tpd)16.5ns
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup)5.5V
Supply Voltage-Min (Vsup)4.5V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
TechnologyCMOS
Temperature GradeMILITARY
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Trigger TypePOSITIVE EDGE
fmax-Min80MHz
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginMexico

Where can I find the CD74ACT161M datasheet?

CD74ACT161M Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for CD74ACT161M?

Compatible alternatives and drop-in replacements for CD74ACT161M:

CD74ACT163M96Texas Instruments

Binary Counter, ACT Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

View Part →

Frequently Asked Questions

What is the maximum operating frequency of the CD74ACT161M?

The CD74ACT161M supports a maximum clock frequency of 91 MHz at nominal supply voltage with a 50 pF load capacitance, making it suitable for medium-speed synchronous counting and address-generation circuits.

What is the operating temperature range of the CD74ACT161M?

The CD74ACT161M operates over the full -55°C to 125°C industrial/military temperature range, allowing reliable use in harsh-environment industrial control, aerospace, and defense-grade electronics.

What package is the CD74ACT161M supplied in?

The CD74ACT161M ships in a 16-pin Small Outline (SOIC, R-PDSO-G16) surface-mount package compatible with standard automated PCB assembly and tape-and-reel handling, and complies with e4 lead-finish requirements.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.4768
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
120+$0.5499$65.99
280+$0.5179$145.02
520+$0.4989$259.44
100000+$0.4768$47680.00
pcs
Unit price: $0.5499 · Total: $65.99

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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