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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 74BCT |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 10 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 24-DIP (0.300", 7.62mm) |
| Supplier Device Package | 24-DIP |
The 74BCT827BSPC from National Semiconductor is a high-performance non-inverting buffer, part of the 74BCT BiCMOS family. It features a single channel with 3-State outputs, delivering 24mA source and 64mA sink current. Operating from 4.5V to 5.5V, this buffer is optimized for driving high-capacitance loads in 5V systems. Its 24-DIP package is suitable for through-hole designs, offering robust performance in industrial and computing applications.
- BiCMOS Technology: Combines high-speed bipolar drive with low-power CMOS, offering an optimal balance for performance-critical applications.
- High Sink Current (64mA): Provides excellent drive capability for heavy loads, reducing signal rise/fall times.
- 3-State Outputs: Enables bus sharing and system isolation, enhancing design flexibility.
- Wide Operating Temperature (0°C to 70°C): Suitable for commercial and industrial environments.
High-Current Bus Driver
Use the 74BCT827BSPC to drive high-capacitance backplane buses in computer systems. The 64mA sink current ensures fast signal transitions even with multiple loads, maintaining signal integrity at high speeds.
Memory Address Buffering
In large memory arrays, this buffer can drive address lines to multiple DRAM or SRAM chips. The high drive current reduces propagation delay, improving memory access times and overall system performance.
Peripheral Device Driving
For driving printers, displays, or other peripherals with long cables, this buffer provides the necessary current to overcome cable capacitance. The 3-State outputs allow the peripheral to be disconnected from the bus when not in use.
Industrial Actuator Control
In industrial automation, this buffer can drive relays, solenoids, or motor controllers. The 24mA source current is sufficient for TTL-level inputs, while the 64mA sink can handle higher-current loads with proper external components.
Test Equipment Signal Conditioning
In ATE systems, this buffer can condition signals between the test controller and the device under test. The BiCMOS technology provides low output impedance, ensuring accurate voltage levels for parametric measurements.
Redundant System Bus Isolation
In fault-tolerant systems, the 3-State outputs allow this buffer to isolate a failed subsystem from the main bus. This enables hot-swapping of cards without disrupting system operation.
- Q: What is the logic family of the 74BCT827BSPC?
- A: It belongs to the 74BCT family, which is BiCMOS technology combining the speed of bipolar with the low power of CMOS.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 1 channel, designed to drive high-capacitance loads with minimal delay.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be disabled for bus sharing or testing.
- Q: What is the operating voltage range?
- A: The 74BCT827BSPC operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What is the output current capability?
- A: It can source 24mA and sink 64mA, providing strong drive for bus lines and heavy loads.
- Q: What package is available?
- A: It comes in a 24-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
74BCT827BSPC.pdf
- Q: What is the logic family of the 74BCT827BSPC?
- A: It belongs to the 74BCT family, which is BiCMOS technology combining the speed of bipolar with the low power of CMOS.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 1 channel, designed to drive high-capacitance loads with minimal delay.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be disabled for bus sharing or testing.
- Q: What is the operating voltage range?
- A: The 74BCT827BSPC operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What is the output current capability?
- A: It can source 24mA and sink 64mA, providing strong drive for bus lines and heavy loads.
- Q: What package is available?
- A: It comes in a 24-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.