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74HC374D
+BOMIC FF D-TYPE SNGL 8BIT 20SOIC
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ManufacturerNXP USA Inc.
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Mfr. Part #74HC374D
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Datasheet 74HC374D DataSheet
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Package SOIC-20
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In Stock4193
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Specifications
| Attribute | Value |
| Package | Bulk |
| Series | 74HC |
| ProductStatus | Active |
| Function | Standard |
| Type | D-Type |
| OutputType | Tri-State, Non-Inverted |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| ClockFrequency | 90 MHz |
| MaxPropagationDelay@VMaxCL | 32ns @ 6V, 150pF |
| TriggerType | Positive Edge |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| Voltage-Supply | 2V ~ 6V |
| Current-Quiescent(Iq) | 4 µA |
| InputCapacitance | 3 pF |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 20-SOIC |
Overview
Description
Key features include a wide supply voltage range (2V to 6V), low power consumption, and high noise immunity. The 3-state outputs enable direct connection to a bus line in multiplexed systems, facilitating data flow control. Its compact SO-20 package makes it suitable for applications requiring limited board space.
The 74HC374D is commonly employed in memory interfacing, data collection, and digital signal processing applications due to its fast switching speed and reliable performance. Its versatility and ease of use make it a staple in both educational and professional electronic projects.
Equivalent
Features
1. High-Speed Operation: Fast switching speeds, making it suitable for high-performance applications.
2. Octal Configuration: Contains eight D-type flip-flops which can store 8 bits of data.
3. 3-State Outputs: Offers tri-state capability, enabling outputs to be in one of three states: high, low, or high-impedance, which is useful for bus-oriented applications.
4. Positive-Edge Triggered: Data at the D inputs is transferred to the Q outputs on the positive edge of the clock pulse.
5. Wide Operating Voltage Range: Typically operates from 2V to 6V, providing flexibility across different circuits.
6. Low Power Consumption: Benefits from CMOS technology, resulting in lower power usage.
7. Direct Latch: Features a direct clear function allowing for asynchronous clearing of the flip-flops.
These features make the 74HC374D suitable for applications in digital data storage, microprocessor interfacing, and memory buffering.
Pinout
- Pin Count: 20 pins
- Key Functions:
- Inputs: 8 data inputs (D0 to D7)
- Outputs: 8 corresponding 3-state outputs (Q0 to Q7)
- Control Inputs:
- Clock (CP): Triggers the flip-flops on a rising edge.
- Output Enable (OE): Controls the state of the outputs. When OE is low, outputs reflect the stored data. When OE is high, outputs are in a high-impedance state.
The 74HC374D is used in applications requiring temporary data storage, data buffering, and synchronous data transfer. It effectively captures input data on the rising edge of the clock pulse when the Output Enable is set appropriately.