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74HCT5555D,118
+BOMIC OSC TIMER W/OSC 75MHZ 16SOIC
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Nhà sản xuấtNXP Hoa Kỳ Inc.
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Ông. Phần #74HCT5555D,118
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Bảng dữ liệu 74HCT5555D,118 DataSheet
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Gói SOIC-16
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Supplier | NXP USA Inc. |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| Part Status | Obsolete |
| Type | Timer/Oscillator (Single) |
| Frequency | 75MHz |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 16-SO |
Tổng quan
Description
Key features include:
1. Precision Timing: Offers accurate time delays and oscillation.
2. Versatility: Functions as a monostable or astable multivibrator.
3. Operating Voltage: Compatible with a wide range of power supply voltages, typically from 4.5V to 5.5V in HCT versions.
4. Output Compatibility: TTL compatible output ensures ease of integration in digital circuits.
5. Low Power Consumption: Suitable for battery-powered devices due to reduced power usage compared to earlier versions.
Applications include pulse generation, timing delays, LED flashers, and frequency generation. The 74HCT5555D,118 is popular in educational, commercial, and industrial settings due to its reliability and ease of use.
Equivalent
Features
Key features of the 74HCT5555D,118 include:
1. Wide Supply Voltage Range: Operates typically between 2V and 6V, accommodating different applications.
2. Low Power Consumption: Benefits from CMOS technology, making it energy-efficient.
3. High-Speed Operation: Capable of quick switching times suitable for high-speed applications.
4. Astable and Monostable Modes: Functions as a timer, oscillator, or flip-flop, depending on external components.
5. TTL Compatibility: Interfaces readily with TTL logic levels, making it versatile for digital circuits.
6. Temperature Range: Functions reliably over a broad temperature range, often from -40°C to +125°C.
7. Package and Mounting: Available in SOIC (Small Outline Integrated Circuit) for compact designs.
These features make the 74HCT5555D,118 suitable for a wide range of timing and waveform generation applications.
Pinout
Here's a concise pin description:
1. Pin 1, 14: Vcc (Power Supply Voltage)
2. Pin 2, 13: Trigger Input (Triggers the monostable operation)
3. Pin 3, 12: Reset Input (Resets the timing cycle)
4. Pin 4, 11: Control Voltage (Modifies threshold voltage)
5. Pin 5, 10: Threshold (Voltage comparator input)
6. Pin 6, 9: Discharge (Open collector output to discharge capacitor)
7. Pin 7: Ground (0V reference)
8. Pin 8: Q Output (Output of the timing circuit)
This IC is suitable for precision timing applications and offers a wide range of operating voltages and high noise immunity.
Manufacturer
Application
1. Timer circuits: Utilized for generating precise time delays and intervals.
2. Pulse generation: Used in creating single or repetitive pulse waveforms.
3. Frequency divider: Can be configured to divide input frequencies for various uses.
4. Signal conditioning: Acts in reshaping or cleaning up noisy signals.
5. Clock generation: Provides clock pulses for digital circuits.
6. Debouncing: Helps in debouncing mechanical switches in digital circuits.
Its versatility in generating and controlling timing intervals makes it valuable in consumer electronics, industrial controls, and communication systems.