Part Details for 74AC74M by STMicroelectronics
Results Overview of 74AC74M by STMicroelectronics
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (2 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Education and Research
Consumer Electronics
Energy and Power Systems
Electronic Manufacturing
74AC74M Information
74AC74M by STMicroelectronics is an FF/Latch.
FF/Latches are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for 74AC74M
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | D FLIP-FLOP, AC SERIES, 2-FUNC, POSITIVE EDGE TRIGGERED, 1-BIT, COMPLEMENTARY OUTPUT, CMOS, PDSO14 | 56 |
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Buy Now | |
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Quest Components | D FLIP-FLOP, AC SERIES, 2-FUNC, POSITIVE EDGE TRIGGERED, 1-BIT, COMPLEMENTARY OUTPUT, CMOS, PDSO14 | 9 |
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$0.5412 / $0.6765 | Buy Now |
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Chip 1 Exchange | INSTOCK | 14 |
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RFQ |
Part Details for 74AC74M
74AC74M CAD Models
74AC74M Part Data Attributes
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74AC74M
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
74AC74M
STMicroelectronics
AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14, SOP-14
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | SOIC | |
| Package Description | SOP-14 | |
| Pin Count | 14 | |
| Reach Compliance Code | not_compliant | |
| HTS Code | 8542.39.00.01 | |
| Family | AC | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e0 | |
| Length | 8.65 mm | |
| Logic IC Type | D FLIP-FLOP | |
| Max I(ol) | 0.012 A | |
| Number of Functions | 2 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Packing Method | TUBE | |
| Propagation Delay (tpd) | 17.5 ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 mm | |
| Supply Voltage-Max (Vsup) | 6 V | |
| Supply Voltage-Min (Vsup) | 2 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | MILITARY | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Trigger Type | POSITIVE EDGE | |
| Width | 3.9 mm | |
| fmax-Min | 130 MHz |
Alternate Parts for 74AC74M
This table gives cross-reference parts and alternative options found for 74AC74M. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 74AC74M, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| HD74AC74RPEL | Renesas Electronics Corporation | Check for Price | AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14, SOP-14 | 74AC74M vs HD74AC74RPEL |
74AC74M Frequently Asked Questions (FAQ)
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The maximum clock frequency of the 74AC74M is typically 100 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to check the device's timing characteristics and perform simulations to ensure reliable operation at the desired frequency.
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To ensure proper power supply and decoupling, connect the VCC pin to a stable 5V power supply, and decouple the power supply lines with 0.1uF and 10uF capacitors. Additionally, use a low-ESR capacitor (e.g., 10uF) between VCC and GND to filter out high-frequency noise.
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The recommended input rise and fall time for the 74AC74M is typically between 1ns and 10ns. Faster input transitions can cause excessive current consumption and noise, while slower transitions may result in unreliable operation.
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The 74AC74M is designed for 5V operation, but it can be used in a 3.3V system with some limitations. The device's output voltage will be reduced, and the noise margin will be lower. It's recommended to check the device's datasheet and perform simulations to ensure reliable operation at 3.3V.
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The asynchronous reset input (R) should be connected to a pull-up resistor (e.g., 1kΩ) to ensure a high logic level when not asserted. When asserted, the R input should be driven low to reset the flip-flop. It's recommended to use a debouncing circuit or a synchronous reset signal to avoid metastability issues.