CD74ACT164M Texas Instruments Integrated Circuit (Other) In Stock

CD74ACT164M is an 8-bit serial-in parallel-out shift register IC by Texas Instruments in 14-pin SOIC. Key specs: 70 MHz max clock frequency, 5 V supply, 24 mA output drive. From $0.45 in stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
CD74ACT164MOther
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
14
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $0.4505(MOQ 1)
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 CD74ACT164M?

  • 8-stage serial-in parallel-out shift register clocked up to 70 MHz for high-speed SPI data expansion
  • ACT-family TTL-compatible inputs with 24 mA IOL output current supporting direct LED or bus drive
  • Compact 14-pin SOIC surface-mount package with 50 pF rated load for dense PCB layouts

What is CD74ACT164M used for?

CD74ACT164M is used to expand microcontroller output ports by converting a 2-wire serial SPI stream into 8 parallel outputs for driving LED arrays, relay banks, or segment displays. Its 70 MHz maximum clock frequency makes it suitable for high-speed data serialization in digital communication boards. The ACT family's TTL-compatible inputs ensure reliable interfacing with 5 V logic systems in industrial control equipment.

What are the specifications of CD74ACT164M?

YTEOL0
Count DirectionRIGHT
FamilyACT
JESD-30 CodeR-PDSO-G14
JESD-609 Codee4
Load Capacitance (CL)50pF
Logic IC TypeSERIAL IN PARALLEL OUT
Max Frequency@Nom-Sup70000000Hz
Max I(ol)0.024A
Number of Bits8
Number of Functions1
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP14,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)0.16mA
Prop. Delay@Nom-Sup13.5ns
Propagation Delay (tpd)14.9ns
Qualification StatusNot Qualified
Schmitt TriggerNO
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
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Trigger TypePOSITIVE EDGE
fmax-Min75MHz
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.01
Country of OriginMalaysia

Where can I find the CD74ACT164M datasheet?

CD74ACT164M Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for CD74ACT164M?

Compatible alternatives and drop-in replacements for CD74ACT164M:

CD74ACT164MG4Texas Instruments

Serial In Parallel Out, ACT Series, 8-Bit, Right Direction, True Output, CMOS, PDSO14

View Part →
CD74ACT164M96G4Texas Instruments

Serial In Parallel Out, ACT Series, 8-Bit, Right Direction, True Output, CMOS, PDSO14

View Part →

Frequently Asked Questions

How fast can CD74ACT164M shift data, and what determines the maximum clock frequency?

CD74ACT164M supports a maximum clock frequency of 70 MHz at 5 V supply with a 50 pF load capacitance. The ACT-family's fast propagation time and TTL-threshold inputs allow reliable clocking in high-speed serial-to-parallel expansion applications, making it suitable for SPI-based LED matrix and relay control schemes running well above typical 10 MHz SPI rates.

Which output port expansion designs can benefit from CD74ACT164M's 8-bit parallel output?

CD74ACT164M is ideal for microcontroller port expansion where GPIO is scarce. A single 2-wire SPI interface (data + clock) drives all 8 parallel outputs simultaneously after shifting in one byte, controlling 8 LEDs, 8 relay channels, or 8 display segments. Cascading two CD74ACT164M ICs gives 16 parallel outputs from the same 2-wire interface.

What package does CD74ACT164M use, and how does it fit on standard PCB footprints?

CD74ACT164M uses a 14-pin SOIC package with 1.27 mm pin pitch and a 3.9 mm body width. This standard narrow SOIC-14 footprint is compatible with JEDEC MS-012 land patterns found in common PCB CAD libraries, simplifying board layout and enabling automated pick-and-place assembly in volume production.

When is CD74ACT164M preferred over CD74HC164 in a 5 V TTL-interfaced design?

CD74ACT164M is preferred when the driving source uses TTL output levels (VOH around 2.4 V) rather than CMOS levels (VOH near VCC). The ACT family's VIH threshold of 2 V accepts TTL HIGH levels reliably, while the HC164's 3.5 V VIH minimum may fail with TTL sources at 5 V. Both parts are functionally identical 8-bit SIPO shift registers with the same 14-pin SOIC pinout.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

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 $0.4505
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$0.7700$0.77
100+$0.5800$58.00
750+$0.5050$378.73
1000+$0.5000$500.00
100000+$0.4505$45050.00
pcs
Unit price: $0.7700 · Total: $0.77

In Stock · 24h Response · Worldwide Shipping

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

Response within 24 hours · Worldwide shipping

We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.

SK
Sarah Kim
VP Engineering, NovaBit Electronics, South Korea