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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20SSOP
- Series：74HCT
- Mfr：Nexperia USA Inc.
- Package：Tube
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：44 MHz
- Max Propagation Delay @ V, Max CL：32ns @ 4.5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：6mA, 6mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SSOP
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Input Capacitance：3.5 pF
- Grade：-
- Qualification：-
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Overview
The 74HCT374DB,112 is an octal D-type flip-flop manufactured by Nexperia in the HCT logic family. It features positive edge-triggering and three-state outputs, housed in a 20-pin SSOP package (SOT339-1). The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum operating temperature of 125 °C. It complies with JEDEC standards and includes input clamp diodes for interface protection.
Feature Summary
- Octal D-type flip-flop architecture with positive edge triggering
- Three-state outputs suitable for bus-oriented applications
- TTL-compatible input levels for direct interfacing
- Integrated input clamp diodes for voltage protection
Applications
- Bus-oriented data storage systems
- Parallel-to-serial data conversion circuits
- Digital signal processing interfaces
- Microprocessor memory address latching
Procurement Notes
Verify the complete ordering code, including the suffix ,112, which specifies the SSOP-20 package configuration. Confirm that the required logic family matches the HCT specification for TTL compatibility. Ensure the application environment remains within the specified temperature and voltage limits defined in the official datasheet.
Selection Notes
Select this component when an octal storage element with three-state output control is required. The HCT series ensures compatibility with standard TTL logic levels. Consider the SSOP package dimensions for PCB layout constraints. Verify that the positive edge-triggering characteristic aligns with the system clock timing requirements.
Part Context
This part belongs to the 74HCT374 family of octal D-type flip-flops. It is functionally similar to the 74HC374 but utilizes HCT technology for TTL input compatibility. The DB variant denotes the specific SSOP surface-mount package provided by Nexperia.
Replacement Considerations
The 74HC374DB,112 serves as a CMOS equivalent with different input voltage thresholds. Other manufacturers may offer pin-compatible alternatives within the 74HCT374 category, but electrical characteristics must be verified against the original datasheet.
