Overview
The CD74HC132M, produced by Texas Instruments, is a quadruple 2-input NAND gate integrated circuit with Schmitt-trigger inputs. This device is part of the HC (High-Speed CMOS) logic family and is designed to provide high-speed logic operations with low power consumption. Each of the four gates performs the Boolean function Y = A ● B in positive logic, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 6 | V | |
| Input Voltage (VI) | 0 | VCC | V | |
| Output Voltage (VO) | 0 | VCC | V | |
| Operating Temperature (TA) | -55 | 125 | °C | |
| Input Leakage Current (II) | ±1 | µA | ||
| Supply Current (ICC) | 40 | µA | ||
| Input Capacitance (Ci) | 10 | pF | ||
| Junction-to-Ambient Thermal Resistance (RθJA) | 133.6 | °C/W |
Key Features
- Buffered Inputs: The device features buffered inputs which help in stabilizing the input signals.
- Wide Operating Temperature Range: It operates over a wide temperature range of -55°C to +125°C.
- High Fanout Capability: Supports fanout up to 10 LSTTL loads.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- Schmitt-Trigger Inputs: Provides hysteresis, making the device tolerant to slow or noisy inputs.
- Balanced CMOS Push-Pull Outputs: Ensures balanced output levels and reduces power consumption.
Applications
- Alarm and Tamper Detect Circuits: Can be used to create tamper detection circuits and alarm systems.
- S-R Latch: The gates can be configured to form active-low S-R latches.
- General Digital Logic: Suitable for various digital logic applications due to its high-speed and low power characteristics.
Q & A
- What is the CD74HC132M?
The CD74HC132M is a quadruple 2-input NAND gate integrated circuit with Schmitt-trigger inputs produced by Texas Instruments. - What is the operating temperature range of the CD74HC132M?
The operating temperature range is -55°C to +125°C. - What is the supply voltage range for the CD74HC132M?
The supply voltage range is 2 V to 6 V. - How many gates does the CD74HC132M contain?
The device contains four independent 2-input NAND gates. - What is the significance of Schmitt-trigger inputs in the CD74HC132M?
Schmitt-trigger inputs provide hysteresis, making the device tolerant to slow or noisy inputs. - What are some common applications of the CD74HC132M?
Common applications include alarm and tamper detect circuits, S-R latches, and general digital logic applications. - How much current can the CD74HC132M source?
The device can source up to 5.2 mA per output. - What is the recommended capacitive load for the CD74HC132M?
The recommended capacitive load is ≤ 50 pF for optimal performance. - How should unused inputs be handled in the CD74HC132M?
Unused inputs should be terminated to either VCC or ground, either directly or with pull-up or pull-down resistors. - What is the thermal resistance of the CD74HC132M in a SOIC package?
The junction-to-ambient thermal resistance (RθJA) is 133.6 °C/W. - Is the CD74HC132M scheduled for obsolescence?
Yes, the CD74HC132M is scheduled for obsolescence and will be discontinued by the manufacturer.
