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Part Number: CY74FCT2245T
Description: The FCT2245T contains eight non-inverting, bidirectional buffers with three-state outputs intended for...
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CY74FCT2245T
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DataSheet
General Description
CY74FCT2245T General Description
The FCT2245T contains eight non-inverting, bidirectional buffers with three-state outputs intended for bus oriented applications. On-chip termination resistors have been added to the outputs to reduce system noise caused by reflections. For this reason, the FCT2245T can be used in an existing design to replace the FCT245T. The FCT2245T current sinking capability is 12 mA at the A and B ports.
The Transmit/Receive (T/R) input determines the direction of data flow through the bidirectional transceiver. Transmit (Active HIGH) enables data from A ports to B ports; receive (Active LOW) enables data from B ports to A ports. The output enable (OE) input, when HIGH, disables both the A and B ports by putting them in a High Z condition.
The outputs are designed with a power-off disable feature to allow for live insertion of boards.
CY74FCT2245T Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................65°C to +150°C
Ambient Temperature with
Power Applied.............................................65°C to +135°C
Supply Voltage to Ground Potential ............... 0.5V to +7.0V
DC Input Voltage............................................ 0.5V to +7.0V
DC Output Voltage ......................................... 0.5V to +7.0V
DC Output Current (Maximum Sink Current/Pin) ......120 mA
Power Dissipation ..........................................................0.5W
Static Discharge Voltage ............................................>2001V
(per MIL-STD-883, Method 3015)
lines, not tested.)
Storage Temperature .................................65°C to +150°C
Ambient Temperature with
Power Applied.............................................65°C to +135°C
Supply Voltage to Ground Potential ............... 0.5V to +7.0V
DC Input Voltage............................................ 0.5V to +7.0V
DC Output Voltage ......................................... 0.5V to +7.0V
DC Output Current (Maximum Sink Current/Pin) ......120 mA
Power Dissipation ..........................................................0.5W
Static Discharge Voltage ............................................>2001V
(per MIL-STD-883, Method 3015)
CY74FCT2245T Features
• Function and pinout compatible with FCT and F logic
• 25Ωoutput series resistors to reduce transmission line reflection noise
• FCT-C speed at 4.1 ns max. FCT-A speed at 4.6 ns max.
• Edge-rate control circuitry for significantly improved noise characteristics
• Power-off disable feature
• Fully compatible with TTL input and output logic levels
• ESD > 2000V
• Sink current 12 mA
Source current 15 mA
• Extended commercial temp. range of 40˚C to +85˚C
• Three-state outputs
• 25Ωoutput series resistors to reduce transmission line reflection noise
• FCT-C speed at 4.1 ns max. FCT-A speed at 4.6 ns max.
• Edge-rate control circuitry for significantly improved noise characteristics
• Power-off disable feature
• Fully compatible with TTL input and output logic levels
• ESD > 2000V
• Sink current 12 mA
Source current 15 mA
• Extended commercial temp. range of 40˚C to +85˚C
• Three-state outputs
CY74FCT2245T Connection Diagram
CY74FCT2245T
PDF/DataSheet Download
- Datasheet: CY74FCT2245T
- File Size: 68566 KB
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