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.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74ACT161M Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 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
Applications
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.
Specifications
| YTEOL | 0 |
| Additional Feature | TCO OUTPUT |
| Count Direction | UP |
| Family | ACT |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 91000000Hz |
| Max I(ol) | 0.024A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 15ns |
| Propagation Delay (tpd) | 16.5ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 80MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74ACT161M:
Binary Counter, ACT Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16
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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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.
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