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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 48-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 48-TFSOP (0.240", 6.10mm Width) |
The CD74FCT16244CTMT is a 16-bit non-inverting buffer from Harris Corporation's FCT logic family, designed to provide high-current drive for bus and load applications. Operating from a 4.5V to 5.5V supply, it features 3-State outputs for bus isolation. With a robust output current of 32mA source and 64mA sink, it can drive LEDs, relays, or heavily loaded signal lines. The device is specified for -40°C to +85°C industrial temperature range and comes in a 48-pin TFSOP package. Its high drive strength and wide temperature range make it ideal for industrial control, automotive, and general-purpose signal buffering.
- High Output Drive (64mA Sink): Can directly drive LEDs, relays, and other high-current loads without external buffers.
- 16-Bit Width: Buffers 16 signals in a single package, reducing component count and board space.
- Industrial Temperature Range: Reliable operation from -40°C to +85°C for harsh environments.
- 3-State Outputs: Allows the buffer to be disabled, preventing bus contention in multi-master systems.
High-Fanout Clock Distribution
In digital systems, the CD74FCT16244CTMT can buffer a single clock signal to multiple destinations. The 64mA sink capability ensures each load receives a clean, fast-edged clock, minimizing skew and jitter in synchronous designs.
Memory Address Line Driving
When connecting a CPU to multiple memory banks, this buffer drives the address lines to each bank. The 3-State outputs allow the address bus to be shared with other peripherals without loading the CPU excessively.
LED Matrix Display Driving
In large LED displays, this buffer can drive the row and column lines. The high output current (32mA source) can directly drive LEDs through current-limiting resistors, eliminating the need for external transistor arrays.
Industrial Sensor Array Buffering
In factory automation, multiple sensors can be connected to a PLC through this buffer. The 3-State outputs enable the PLC to read each sensor group sequentially without signal degradation.
Automotive Body Control Module
In automotive body electronics, this buffer drives indicator lamps and relay coils. The industrial temperature range ensures reliable operation in the passenger compartment, even in extreme climates.
FPGA I/O Expansion
When an FPGA needs to interface with many external devices, this buffer provides additional drive strength. The 16-bit width allows the FPGA to control multiple peripherals with a single IC, simplifying PCB routing.
- Q: What is the logic family of the CD74FCT16244CTMT?
- A: It belongs to the FCT (Fast CMOS TTL) logic family, offering high-speed performance with low power consumption.
- Q: What is the function of this IC?
- A: It is a 16-bit (quad 4-bit) non-inverting buffer, designed to drive high-capacitance loads or fan out signals.
- Q: How many channels does it have?
- A: It has 4 channels, each 4 bits wide, providing a total of 16 buffered outputs.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the buffer to be disconnected from the bus when disabled.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What package is available?
- A: It is offered in a 48-pin TFSOP package with 6.10mm body width, suitable for compact surface-mount designs.
CD74FCT16244CTMT.pdf
- Q: What is the logic family of the CD74FCT16244CTMT?
- A: It belongs to the FCT (Fast CMOS TTL) logic family, offering high-speed performance with low power consumption.
- Q: What is the function of this IC?
- A: It is a 16-bit (quad 4-bit) non-inverting buffer, designed to drive high-capacitance loads or fan out signals.
- Q: How many channels does it have?
- A: It has 4 channels, each 4 bits wide, providing a total of 16 buffered outputs.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the buffer to be disconnected from the bus when disabled.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What package is available?
- A: It is offered in a 48-pin TFSOP package with 6.10mm body width, suitable for compact surface-mount designs.