Homedatasheet5962-8762901RA

5962-8762901RA Datasheet

Military/Aerospace->FCT
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Description

Features, Applications
54FCT245 Octal Bidirectional Transceiver with TRI-STATE Outputs
54FCT245 Octal Bidirectional Transceiver with TRI-STATE � Outputs

The 'FCT245 contains eight non-inverting bidirectional buffers with TRI-STATE outputs and is intended for bus-oriented applications. Current sinking capability mA on both 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 input, when HIGH, disables both A and B ports by placing them in a High Z condition.

Features

n TTL input and output level compatible n A and B output sink capability of 48 mA, source capability mA n CMOS power consumption n Standard Microcircuit Drawing (SMD) 5962-8762901

Military 54FCT245FMQB 54FCT245LMQB Package Number E20A 20-Lead Ceramic Dual-In-Line 20-Lead Cerpak 20-Lead Ceramic Leadless Chip Carrier, Type C Package Description

TRI-STATE is a registered trademark of National Semiconductor Corporation.

Pin Names OE T/R A0�A7 B0�B7 Description Output Enable Input (Active LOW) Transmit/Receive Input Side A Inputs or TRI-STATE Outputs Side B Inputs or TRI-STATE Outputs

H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Any Output in the Disabled or Power-off State +5.0 mA

in the HIGH State Current Applied to Output in LOW State (Max)
Free Air Ambient Temperature Military Supply Voltage Military to +5.5V

Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. Note 2: Either voltage limit or current limit is sufficient to protect inputs.

Symbol VIH VIL VCD VOH VOL IIH IBVIT IIL IOS ICCQ ICC ICCT Parameter Min Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage Output LOW Voltage 54FCT Input HIGH Current Breakdown Test (I/O) Input LOW Current Output Short-Circuit Current Power Supply Current Power Supply Current Total Power Supply Current mA FCT245 Max Units �A mA Min Max VCC Conditions Recognized HIGH Signal Recognized LOW Signal IIN -18 mA (OE, T/R) IOH -300 uA (An, Bn) IOH -12 mA (An, Bn) IOL 300 uA (An, Bn) IOL 48 mA (An, Bn) VIN = 2.7V (OE, T/R) VIN = VCC (OE, T/R) VIN = 5.5V (An, Bn) VIN = 0.0V (OE, T/R) VOUT = 0.0V (An, Bn) VIN 0.2V or VIN = 5.3V, VCC = 5.5V VCC = 5.5V, VIN = 3.4V VIN 3.4V or VIN = GND, OE = T/R = GND, VCC = 10Mhz, outputs open, one bit toggling - 50% duty cycle VIN 5.3V or VIN 0.2V,OE = T/R = GND, VCC = 10Mhz, outputs open, one bit toggling - 50% duty cycle Outputs Open, OE = GND, T/R = GND or VCC One Bit Toggling, 50% Duty Cycle


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