74HC00D TOSHIBA

The 74HC00D from TOSHIBA is a monolithic integrated circuit that provides four independent 2-input NAND gates, belonging to the high-speed CMOS (74HC) logic family. Housed in a compact SOP-14 package, it operates over a wide supply voltage range from 2V to 6V, making it versatile for various digital systems. With a typical propagation delay of just 7 ns and an output current capability of ±5.2 mA, this device is engineered for general-purpose logic functions where high-speed operation and low power consumption are critical. It is ideal for use in wave shaping, oscillators, and as a building block in complex digital circuits like encoders and controllers, with an operating temperature range from -40°C to +125°C ensuring reliability in industrial environments.

Features

• High-Speed Operation: Features a typical propagation delay time of only 7 ns, enabling rapid signal processing in digital circuits.
• Wide Operating Voltage: Supports a supply voltage range from 2 V to 6 V, providing design flexibility for both 3.3V and 5V systems.
• Low Power Consumption: Utilizes advanced CMOS technology, ensuring low static power dissipation.
• High Output Drive: Capable of sourcing and sinking up to 5.2 mA, allowing direct interfacing with multiple CMOS inputs.

Technical Specifications

• Product Category: Logic Gate
• Logic Type: NAND Gate
• Logic Family: 74HC
• Number of Circuits: 1
• Number of Inputs: 2
• Number of Elements: 4
• Supply Voltage - Min: 2 V
• Supply Voltage - Max: 6 V
• High Level Output Current: -5.2 mA
• Low Level Output Current: 5.2 mA
• Propagation Delay Time: 7 ns
• Minimum Operating Temperature: -40 C
• Maximum Operating Temperature: +125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-108 (SOP-14)
• Packaging: Tube

Pin Configuration and Functions

• Pin 1: A1 - Input for NAND Gate 1
• Pin 2: B1 - Input for NAND Gate 1
• Pin 3: Y1 - Output for NAND Gate 1
• Pin 4: Y2 - Output for NAND Gate 2
• Pin 5: A2 - Input for NAND Gate 2
• Pin 6: B2 - Input for NAND Gate 2
• Pin 7: GND - Ground
• Pin 8: B3 - Input for NAND Gate 3
• Pin 9: A3 - Input for NAND Gate 3
• Pin 10: Y3 - Output for NAND Gate 3
• Pin 11: Y4 - Output for NAND Gate 4
• Pin 12: A4 - Input for NAND Gate 4
• Pin 13: B4 - Input for NAND Gate 4
• Pin 14: VCC - Supply Voltage

Typical Applications

• Waveform Generation: Used in astable and monostable multivibrators for clock generation.
• Data Encoding: Implements basic logic in encoder and decoder circuits for data transmission.
• Control Logic: Serves as a fundamental building block in memory units and arithmetic logic units (ALU).
• Signal Gating: Employed in enable/disable control circuits and signal routing applications.

Equivalent / Alternative Parts

• SN74HC00D (Texas Instruments) - Same logic family (74HC), pin-to-pin compatible, and equivalent electrical specifications.
• MC74HC00D (ON Semiconductor) - Identical function, package, and key parameters like supply voltage and propagation delay.

Advantages

• Balanced Output Drive: Symmetrical high and low output current (5.2 mA) ensures strong signal integrity and fan-out capability.
• Robust Temperature Performance: Wide operating temperature range from -40°C to +125°C makes it suitable for automotive and industrial applications.
• Compact Form Factor: The SOP-14 surface-mount package offers a small footprint, ideal for space-constrained PCB designs.

Limitations

• Limited Output Current: The 5.2 mA output drive may be insufficient for directly driving high-current loads like relays or LEDs without a buffer.
• CMOS Static Sensitivity: As a CMOS device, it requires standard ESD handling precautions during assembly to prevent damage from electrostatic discharge.
• Unused Input Handling: Unused CMOS inputs must be tied to VCC or GND to prevent erratic operation and increased power consumption.

Package Information

The component is supplied in an SOP-14 (SOT-108) surface-mount package. The package is designed for automated assembly and provides a compact footprint for high-density PCB layouts.

Manufacturer Information

TOSHIBA is a globally recognized manufacturer of semiconductors and electronic components. The company is known for its high-quality, reliable products serving a wide range of industries including consumer electronics, industrial automation, and automotive systems.

Design-in Tips

• Decoupling Capacitors: Place a 100nF decoupling capacitor close to the VCC and GND pins to minimize noise and ensure stable operation.
• Input Signal Integrity: Ensure that input signal transition times are fast to avoid excessive current draw during the CMOS switching threshold.
• PCB Layout: Keep output traces short to minimize capacitive loading, which can affect propagation delay and signal integrity.

Lifecycle Status & PCN/PDN Notes

Lifecycle status information is not provided in the available parameters. No Product Change Notifications (PCN) or Product Discontinuation Notices (PDN) are referenced.