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Texas Instruments CD74AC74M96G4
- Part No.:
- CD74AC74M96G4
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
CD74AC74M96G4.pdf
- Description:
- IC FF D-TYPE DUAL 1BIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,303
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Product details
Overview
CD74AC74M96G4 from Texas Instruments is a dual positive-edge-triggered D-type flip-flop with independent clear and preset inputs per channel, operating across 1.5 V to 5.5 V supply range, delivering 125 MHz max clock frequency at 5 V, ±24 mA output drive, and balanced propagation delays - used in synchronous logic control, state machine sequencing, and data synchronization in industrial PLCs and test equipment.
For engineers reviewing the CD74AC74M96G4 datasheet, CD74AC74M96G4 pinout, CD74AC74M96G4 application, or CD74AC74M96G4 equivalent, key selection criteria include its dual-channel edge-triggered operation, rail-to-rail input compatibility, active-low asynchronous controls, SOIC-14 package footprint, and guaranteed performance over −55°C to +125°C.
Technical Context
This device implements two independent D-type flip-flops sharing no internal coupling - each with dedicated CLK, D, PRE, CLR, Q, and Q̅ terminals. Clock triggering is voltage-level sensitive, not edge-slope dependent, enabling robust timing across varying slew rates.
It uses SCR-latchup-resistant CMOS process technology, supports 30% supply noise immunity, and features balanced tPLH/tPHL propagation (e.g., 2.6 ns typical at 5 V), ensuring minimal skew between true and complement outputs under identical load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.5 V to 5.5 V - enables direct interface with 1.8 V, 3.3 V, and 5 V logic families without level shifters. |
| Max Clock Frequency | 125 MHz at VCC = 5 V - supports high-speed state transitions in digital controllers and counters. |
| Output Drive Current | ±24 mA - drives up to 15 F-series TTL loads or terminates 50 Ω transmission lines at 85°C. |
| Propagation Delay | 2.6 ns (tPLH/tPHL, VCC = 5 V) - ensures tight timing margins in pipelined or cascaded register stages. |
| Input Thresholds | VIH = 3.85 V, VIL = 1.65 V at VCC = 5.5 V - provides 30% noise margin for reliable signal discrimination. |
| Operating Temperature | −55°C to +125°C - qualified for extended industrial, aerospace, and automotive under-hood applications. |
| ESD Rating | ±2000 V HBM - meets standard handling requirements for automated assembly and field service. |
Pinout & Package
CD74AC74M96G4 is packaged in a 14-pin SOIC (D package) with 8.65 mm × 6.0 mm body size and 1.75 mm maximum height, compatible with standard surface-mount reflow profiles (MSL Level-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1CLR | Channel 1 Clear Input | Active-low asynchronous reset - forces 1Q = L, 1Q̅ = H independent of clock or data. |
| 1D | Channel 1 Data Input | Stores logic level on rising clock edge when PRE/CLR are inactive (high). |
| 1CLK | Channel 1 Clock Input | Positive-edge-triggered sampling node - insensitive to rise time; triggers at ~VCC/2 threshold. |
| 1PRE | Channel 1 Preset Input | Active-low asynchronous set - forces 1Q = H, 1Q̅ = L regardless of other inputs. |
| 1Q / 1Q̅ | Channel 1 True/Complement Outputs | Differential pair with matched delay - enables glitch-free feedback or XOR-based toggling. |
| GND / VCC | Power Supply Terminals | Single-supply operation; requires local 0.1 µF ceramic bypass capacitor at VCC pin. |
| 2CLR–2CLK | Channel 2 Control Inputs | Functionally identical and electrically isolated from Channel 1 - no crosstalk or shared timing path. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input voltage tolerance | Supports VI from 0 V to VCC - eliminates need for external biasing on unused inputs. |
| Balanced tPLH/tPHL propagation | ≤0.4 ns skew between Q and Q̅ outputs - critical for phase-sensitive applications like quadrature decoding. |
| Low dynamic power consumption | ICC = 4 µA typical at 25°C - enables low-power standby modes in battery-backed control logic. |
| SCR-latchup immunity | Rated per JEDEC JESD78 - prevents destructive latch-up during transient overvoltage or hot-insertion events. |
| Wide temperature operation | Specified from −55°C to +125°C - validated for use in unheated outdoor enclosures and engine compartments. |
Applications
| Industrial Motion Control | Automated Test Equipment |
|---|---|
|
Use Scenario: Synchronizing encoder quadrature signals in servo drive feedback loops. IC Role / Device Role / Timing Role: Dual-channel DFF captures A/B phase edges on separate CLK inputs to generate direction-stable position latches. Use Value: Matched tPLH/tPHL ensures zero metastability window between Q/Q̅ transitions, preventing false direction detection. |
Use Scenario: Generating precise stimulus patterns for IC functional testing. IC Role / Device Role / Timing Role: Edge-triggered storage element sequences test vectors into parallel output buses synchronized to system clock. Use Value: 125 MHz max fclock supports >100 Mbps pattern generation without pipeline stalls or setup violations. |
| Digital Power Management | Avionics Data Acquisition |
|
Use Scenario: Implementing fault-lockout states in DC-DC converter supervisory logic. IC Role / Device Role / Timing Role: Asynchronous PRE/CLR inputs capture overvoltage/overcurrent events and hold shutdown state until manual reset. Use Value: Active-low controls guarantee fail-safe assertion even during brown-out or partial power loss. |
Use Scenario: Buffering ARINC 429 receive data before FPGA ingestion. IC Role / Device Role / Timing Role: Dual DFF retimes serial bitstream using recovered clock to eliminate jitter-induced sampling errors. Use Value: −55°C to +125°C rating ensures reliable operation in pressurized cabin and avionics bay environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AC74DR | Same AC logic family, identical pinout and timing, but rated only to 85°C ambient. | Limited to commercial/industrial indoor applications; not qualified for extended temperature or military use. | Select when cost sensitivity outweighs extended temperature requirement and board space allows same SOIC-14 footprint. |
| CD74HC74M96 | HC family: lower drive (±5.2 mA), slower max speed (60 MHz @ 6 V), higher input capacitance (10 pF vs 5 pF). | Suitable for low-noise, low-power systems where fanout and speed are secondary to EMI reduction. | Choose for battery-powered instrumentation where ICC < 2 µA and reduced switching noise are prioritized over speed. |
Compared with SN74AC74DR and CD74HC74M96, CD74AC74M96G4 uniquely combines military-grade temperature range, full 5.5 V operation, and 125 MHz capability - making it the only option for high-reliability, wide-voltage, high-speed dual-DFF applications requiring guaranteed performance beyond 85°C.
Availability
CD74AC74M96G4 is available at Aetrix Electronics and suitable for industrial motion control, avionics data acquisition, and digital power management requiring stable component supply across extended temperature and voltage ranges.
Supply support for CD74AC74M96G4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with over 50 years of innovation in high-reliability logic devices.
CD74AC74M96G4 belongs to the CDx4AC74 series - a family of advanced CMOS D-type flip-flops engineered for high-speed, low-power, and extended-temperature operation in mission-critical industrial and defense systems.
FAQ
What is the maximum clock frequency supported by CD74AC74M96G4?
CD74AC74M96G4 supports a maximum clock frequency of 125 MHz when operated at VCC = 5 V ± 0.5 V and TA = −40°C to +85°C. At VCC = 3.3 V ± 0.3 V, the max frequency drops to 90 MHz, and at VCC = 1.5 V, it is 10 MHz. These values are specified in the Switching Characteristics tables of the official TI datasheet SCHS231E.
Does CD74AC74M96G4 require external pull-up or pull-down resistors on unused inputs?
No - CD74AC74M96G4 does not require external pull-up or pull-down resistors on unused inputs. Its CMOS inputs have high impedance and must be tied directly to VCC or GND to prevent floating states, as stated in Section 4.3 of the datasheet. Floating inputs can cause increased ICC, erratic outputs, or localized heating.
Is CD74AC74M96G4 pin-compatible with CD74HC74M96?
Yes, CD74AC74M96G4 is pin-compatible with CD74HC74M96 - both use the same SOIC-14 (D) package with identical pin functions and layout. However, they differ electrically: CD74AC74M96G4 offers higher speed (125 MHz vs 60 MHz), stronger drive (±24 mA vs ±5.2 mA), and wider temperature range (−55°C to +125°C vs −40°C to +85°C).
What is the recommended bypass capacitor for CD74AC74M96G4?
The recommended bypass capacitor for CD74AC74M96G4 is a 0.1 µF ceramic capacitor placed as close as possible to the VCC pin (Pin 14) and GND (Pin 7). This minimizes high-frequency supply noise and prevents logic glitches during fast output transitions, per TI's Application and Implementation guidelines in Section 7.
Can CD74AC74M96G4 operate reliably at 1.8 V supply?
Yes, CD74AC74M96G4 operates reliably at 1.8 V supply - its specified minimum VCC is 1.5 V. At 1.8 V, it delivers guaranteed functionality including 9 MHz max clock frequency, 132 ns propagation delay, and full logic-level compatibility. Performance parameters at 1.8 V are interpolated from the 1.5 V and 3.3 V characterization data in Sections 4.6 and 4.7.
CD74AC74M96G4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AC
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Set(Preset) and Reset
- Type:
- D-Type
- Output Type:
- Complementary
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- Clock Frequency:
- 110 MHz
- Max Propagation Delay @ V, Max CL:
- 10ns @ 5V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.5V ~ 5.5V
- Current - Quiescent (Iq):
- 4 µA
- Input Capacitance:
- 10 pF
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
CD74AC74M96G4 FAQ
1.How can I place an order for CD74AC74M96G4 through Aetrix?
Please submit a Request for Quotation (RFQ) for CD74AC74M96G4 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CD74AC74M96G4 reliable?
The price and inventory of CD74AC74M96G4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CD74AC74M96G4 is usually 5 days.
3.What payment methods are accepted for CD74AC74M96G4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CD74AC74M96G4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CD74AC74M96G4?
CD74AC74M96G4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CD74AC74M96G4 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CD74AC74M96G4?
For technical support, including CD74AC74M96G4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CD74AC74M96G4 requirements.
6.How does Aetrix verify that CD74AC74M96G4 is sourced from the original manufacturer or authorized distributors?
All CD74AC74M96G4 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CD74AC74M96G4 meets industry standards.
7.What is the process for return or replacement of CD74AC74M96G4?
All CD74AC74M96G4 units undergo pre-shipment inspection (PSI). If there is an issue with CD74AC74M96G4, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CD74AC74M96G4 part is unused and in its original packaging.
Return procedure for CD74AC74M96G4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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