CD74ACT74M Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
CD74ACT74M is a dual positive-edge-triggered D-type flip-flop with individual set and reset, operating at up to 85 MHz with a 50 pF load in a 14-pin SOIC package. Competitively priced with worldwide shipping available.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- CD74ACT74M Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3905(MOQ 3)
- 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 CD74ACT74M?
- Dual independent D-type flip-flops with individual active-low set and reset on each element
- Maximum toggle frequency of 85 MHz at nominal supply for high-speed clocking applications
- ACT-family logic: TTL-compatible inputs at 5 V supply, 24 mA output sink current
- 14-pin SOIC (SOIC-14) package with 50 pF load capacitance rating for compact surface-mount designs
What is CD74ACT74M used for?
The CD74ACT74M is used in high-speed digital systems for frequency division, pipeline stage registers, and handshake synchronization circuits operating at up to 85 MHz. Its TTL-compatible ACT inputs allow seamless interfacing with both 3.3 V CMOS and 5 V TTL logic families in mixed-supply designs. The dual flip-flop topology with individual preset and clear is also well suited for state-machine implementations and clock-domain crossing registers in industrial and communications equipment.
What are the specifications of CD74ACT74M?
| YTEOL | 0 |
| Family | ACT |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 85000000Hz |
| Max I(ol) | 0.024A |
| Number of Bits | 1 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 9.5ns |
| Propagation Delay (tpd) | 9.5ns |
| 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 |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 97MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the CD74ACT74M datasheet?
CD74ACT74M Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74ACT74M?
Compatible alternatives and drop-in replacements for CD74ACT74M:
D Flip-Flop, ACT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
Frequently Asked Questions
What maximum clock frequency can the CD74ACT74M handle under standard load conditions?
The CD74ACT74M is specified for a maximum toggle frequency of 85 MHz when driving a 50 pF load at its nominal 5 V supply. This makes it suitable for clock division and pipeline register stages in systems clocked well below 85 MHz, providing ample timing margin in typical digital control and communications designs.
How can the active-low set and reset pins be used in a power-on initialization circuit?
Each of the two flip-flops in the CD74ACT74M includes an independent active-low asynchronous preset (SD) and clear (RD) input. By tying these pins to a power-on reset network — for example, an RC network that holds the pin below 0.8 V for several microseconds — designers can guarantee a known output state at startup regardless of the clock signal, a critical requirement in 5 V safety-critical and industrial control systems.
When would a designer choose the CD74ACT74M over a 74HC74 dual flip-flop?
The ACT variant accepts TTL-level input thresholds (VIL up to 0.8 V, VIH from 2.0 V) versus the HC series which uses CMOS thresholds (VIH from 3.15 V at 5 V supply). This makes the CD74ACT74M the correct choice when interfacing with legacy TTL outputs, open-collector bus drivers, or mixed 3.3 V/5 V systems where input logic levels may not reach full CMOS swing.
What is the output drive strength of the CD74ACT74M and how does it affect fan-out in a 5 V system?
The CD74ACT74M sinks up to 24 mA (IOL) at a guaranteed output low voltage of 0.55 V. At standard TTL input loads of approximately 1.6 mA each, this translates to a fan-out of at least 15 standard TTL gates, making it adequate for most moderate bus-driving tasks without an external buffer in 5 V systems.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 3+ | $0.5033 | $1.51 |
| 1000+ | $0.3908 | $390.77 |
| 100000+ | $0.3905 | $39050.00 |
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