SN74AS645N
- Mfr.Part #
- SN74AS645N
- Manufacturer
- Texas Instruments
- Package / Case
- 20-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC TXRX NON-INVERT 5.5V 20DIP
- Stock
- 289
- In Stock :
- 289
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- Manufacturer :
- Texas Instruments
- Product Category :
- Buffers, Drivers, Receivers, Transceivers
- Additional Feature :
- WITH DIRECTION CONTROL
- Operating Supply Voltage :
- 5V
- Current - Output High, Low :
- 15mA 64mA
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Number of Elements :
- 1
- Translation :
- n/a
- Terminal Position :
- Dual
- Pin Count :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Radiation Hardening :
- No
- Direction :
- Bidirectional
- Supply Voltage :
- 5V
- Lead Free :
- Lead Free
- Mounting Type :
- Through Hole
- Logic Function :
- Inverting, Transceiver
- Width :
- 6.35mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Type :
- COMMON CONTROL
- Number of Bits :
- 8
- Number of Pins :
- 20
- Voltage - Supply :
- 4.5V~5.5V
- Base Part Number :
- 74AS645
- ECCN Code :
- EAR99
- REACH SVHC :
- No SVHC
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Polarity :
- Non-Inverting
- RoHS Status :
- ROHS3 Compliant
- Output Type :
- 3-STATE
- Series :
- 74AS
- Logic Type :
- Transceiver, Non-Inverting
- Turn On Delay Time :
- 9.5 ns
- Number of Ports :
- 2
- Mount :
- Through Hole
- Height :
- 5.08mm
- Number of Channels :
- 8
- Power Supplies :
- 5V
- Packaging :
- Tube
- Load Capacitance :
- 50pF
- Quiescent Current :
- 95mA
- Operating Temperature :
- 0°C~70°C TA
- JESD-609 Code :
- e4
- Terminal Pitch :
- 2.54mm
- Schmitt Trigger :
- No
- Power Supply Current-Max (ICC) :
- 0.055mA
- Number of Functions :
- 1
- Propagation Delay :
- 12 ns
- Number of Terminations :
- 20
- Thickness :
- 4.57mm
- Weight :
- 1.1991g
- Max I(ol) :
- 0.064 A
- Family :
- AS
- Length :
- 24.33mm
- Package / Case :
- 20-DIP (0.300, 7.62mm)
- Termination :
- Through Hole
- Datasheets
- SN74AS645N

Buffers, Drivers, Receivers, Transceivers Texas Instruments SN74AS645N Overview
The Texas Instruments SN74AS645N, part of the Buffers, Drivers, Receivers, Transceivers category, is a robust integrated circuit designed for high-performance data transmission applications. This non-inverting transceiver operates at a voltage range of up to 5.5V and is packaged in a 20-pin DIP format, making it suitable for through-hole mounting. This device facilitates reliable bidirectional communication between data buses, with the capability to drive lines in high-noise environments while maintaining signal integrity and reducing power consumption.
SN74AS645N Features
- Voltage Range: 5.5V maximum, ensuring compatibility with most low-power applications.
- Non-Inverting Buffers: Enhances signal clarity by maintaining the true integrity of the input signal.
- 20-Pin DIP Package: Ideal for standard through-hole PCB mounting, simplifying installation in a wide range of equipment.
- High Drive Capability: Suitable for driving heavy loads, enhancing its usability in high-demand applications.
- Robust ESD Protection: Guards the device against electrostatic discharges, enhancing durability and lifespan.
SN74AS645N Applications
- Microprocessor Systems: Enables reliable data and address bus interfacing, ensuring stable and efficient operation.
- Communication Equipment: Acts as a line driver and receiver in modems and other telecommunication devices to maintain clear signal transmission.
- Data Storage Devices: Used in the bus transceiver roles to manage data flow between processors and storage units.
- Industrial Control Systems: Facilitates the transfer of signals in harsh environments, ensuring robust control and monitoring.
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