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Octal 3-State Noninverting Bus Transceiver

These Octal Bus Transceiver are designed for asynchronous two way communication between data Buses. The control function implementation minimized external timing requirements.
The device allows data transmission from the A Bus to the B Bus or from the B Bus to the A Bus depending upon the logic level at the directional control (DIR) input. The enable input(E) can be used to disable the device so that the Buses are effectively isolated.

• Bidirectional Bus Transceiver in a High-Density 20-Pin Package
• 3-State Outputs Dirve Bus Lines Directly
• P-N-P Inputs D-C Loading on Bus Lines
• Hysteresis at Bus Inputs Improve Noise Margins
• Typical Propagation Delay Times; Port to Port ... 8 ns

Octal 3-State Noninverting Bus Transceiver

These Octal Bus Transceiver are designed for asynchronous two-way communication between data Buses. The control function implementation minimized external timing requirements.
The device allows data transmission from the A Bus to the B Bus or from the B Bus to the A Bus depending upon the logic level at the directional control (DIR) input. The enable input(E) can be used to disable the device so that the Buses are effectively isolated.

• Bidirectional Bus Transceiver in a High-Density 20-Pin Package
• 3-State Outputs Dirve Bus Lines Directly
• P-N-P Inputs D-C Loading on Bus Lines
• Hysteresis at Bus Inputs Improve Noise Margins
• Typical Propagation Delay Times; Port to Port ... 8 ns

Octal 3-State Noninverting Bus Transceiver

These Octal Bus Transceiver are designed for asynchronous twoway communication between data Buses. The control function implementation minimized external timing requirements.
The device allows data transmission from the A Bus to the B Bus or from the B Bus to the A Bus depending upon the logic level at the directional control (DIR) input. The enable input(E) can be used to disable the device so that the Buses are effectively isolated.

 • Bidirectional Bus Transceiver in a High-Density 20-Pin Package
 • 3-State Outputs Dirve Bus Lines Directly
 • P-N-P Inputs D-C Loading on Bus Lines
 • Hysteresis at Bus Inputs Improve Noise Margins
 • Typical Propagation Delay Times; Port to Port ... 8 ns

Octal 3-State Noninverting Bus Transceiver
High-Speed Silicon-Gate CMOS

The IN74AC245 is identical in pinout to the LS/ALS245, HC/HCT245. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs.

•  Outputs Directly Interface to CMOS, NMOS, and TTL
•  Operating Voltage Range: 2.0 to 6.0 V
•  Low Input Current: 1.0 µA; 0.1 µA @ 25°C
•  High Noise Immunity Characteristic of CMOS Devices
•  Outputs Source/Sink 24 mA

Octal 3-State Noninverting Bus Transceiver
High-Speed Silicon-Gate CMOS

The IN74ACT623 is identical in pinout to the LS/ALS623, HC/HCT623. The IN74ACT623 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The IN74ACT623 is a 3-State Noninverting Transceiver that is used for 2-way communication between data Buses. Two separate enables are available. The enable for Bus A to B is active-high, the enable for Bus B to A is active-low.

• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA

Octal 3-State Noninverting Bus Transceiver
High-Speed Silicon-Gate CMOS

The IN74ACT623 is identical in pinout to the LS/ALS623, HC/HCT623. The IN74ACT623 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The IN74ACT623 is a 3-State Noninverting Transceiver that is used for 2-way communication between data Buses. Two separate enables are available. The enable for Bus A to B is active-high, the enable for Bus B to A is active-low.

• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA

Octal 3-State Noninverting Bus Transceiver High-Performance Silicon-Gate CMOS

The IN74HC245A is identical in pinout to the LS/ALS245. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
The IN74HC245A is a 3-State Noninverting Transceiver that is used for 2-way asynchronous communication between data Buses. The device has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states. The Direction control determines whether data flows from A to B or from B to A.

• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices

Octal 3-State Noninverting Bus Transceiver
High−Performance Silicon−Gate CMOS

The MC74HC245A is identical in pinout to the LS245. The device inputs are compatible with standard CMOS outputs; with pull−up resistors, they are compatible with LSTTL outputs.
The HC245A is a 3−state Noninverting Transceiver that is used for 2−way asynchronous communication between data Buses. The device has an active−low Output Enable pin, which is used to place the I/O ports into high−impedance states. The Direction control determines whether data flows from A to B or from B to A.

Features
• Output Drive Capability: 15 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1 μA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance with the Requirements Defined by JEDEC Standard
   No. 7 A
• Chip Complexity: 308 FETs or 77 Equivalent Gates
• NLV Prefix for Automotive and Other Applications Requiring
   Unique Site and Control Change Requirements; AEC−Q100
   Qualified and PPAP Capable
• These Devices are Pb−Free, Halogen Free and are RoHS Compliant

Octal 3−State Noninverting Bus Transceiver
High−Performance Silicon−Gate CMOS

The MC74HC245A is identical in pinout to the LS245. The device inputs are compatible with standard CMOS outputs; with pull−up resistors, they are compatible with LSTTL outputs. The HC245A is a 3−state Noninverting Transceiver that is used for 2−way asynchronous communication between data Buses. The device has an active−low Output Enable pin, which is used to place the I/O ports into high−impedance states. The Direction control determines whether data flows from A to B or from B to A.

Features
• Output Drive Capability: 15 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1 uA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance with the Requirements Defined by JEDEC Standard No. 7A
• Chip Complexity: 308 FETs or 77 Equivalent Gates
• Pb−Free Packages are Available*

Octal 3-State Noninverting Bus Transceiver
High-Speed Silicon-Gate CMOS

The IN74ACT623 is identical in pinout to the LS/ALS623, HC/HCT623. The IN74ACT623 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The IN74ACT623 is a 3-State Noninverting Transceiver that is used for 2-way communication between data Buses. Two separate enables are available. The enable for Bus A to B is active-high, the enable for Bus B to A is active-low.

• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA