54FCT541LMQB Datasheet

Octal Buffer/line Driver With Tri-state Outputs


Features, Applications
54FCT541 Octal Buffer/Line Driver with TRI-STATE Outputs
54FCT541 Octal Buffer/Line Driver with TRI-STATE � Outputs

The is an octal buffer and line driver with TRI-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/ receiver. The 'FCT541 is similar to the 'FCT244 with broadside pinout.


Non-inverting buffers TTL input and output level compatible CMOS power consumption Output sink capability of 48 mA, source capability mA n Flow-through pinout for ease of PC board layout n Standard Microcircuit Drawing (SMD) 5962-8976601

Military 54FCT541FMQB 54FCT541LMQB Package Number E20A 20-Lead Ceramic Dual-In-Line 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier, Type C Pin Names I0�I7 O0�O7 Inputs Outputs Inputs OE1

H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
Description Output Enable Input (Active Low)
TRI-STATE is a registered trademark of FAirchild Semiconductor Corporation.

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) DC Latchup Source Current

Free Air Ambient Temperature Military Supply Voltage Military Minimum Input Edge Rate Data Input Enable Input to +5.5V (V/t) 50 mV/ns 20 mV/ns

Symbol VIH VIL VCD VOH VOL IIH IIL IOZH IOZL IOS ICCQ ICC ICCD Parameter Min Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage Output LOW Voltage Input HIGH Current Input LOW Current Output Leakage Current Output Leakage Current Output Short-Circuit Current Quiescent Power Supply Current Quiescent Power Supply Current Dynamic ICC 54FCT FCT541 Typ Max �A mA mA/ MHz mA Min Max Recognized HIGH Signal Recognized LOW Signal IIN -18 mA IOH -300 �A IOH -12 mA IOL 300 �A IOL 48 mA VIN = VCC VIN = 0.0V VOUT = 5.5V; OEn = 2.0V VOUT = 0.0V; OEn = 2.0V VOUT = 0.0V VIN 0.2V or VIN 5.3V, VCC VI = VCC - 2.1V VCC = 5.5V, Outputs Open, One Bit Toggling, 50% Duty Cycle, OEn = GND VCC = 5.5V, Outputs Open, = 10MHz, OEn = GND, One Bit Toggling, 50% Duty Cycle, OEn = GND Units VCC Conditions

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.

to +125�C VCC 50 pF Min tPLH tPHL tPZH tPZL tPHZ tPLZ Output Disable Time Propagation Delay Data to Outputs Output Enable Time Max ns Fig. Units No.

Symbol CIN COUT (Note 3) Parameter Input Capacitance Output Capacitance Max 10.0 12.0 Units pF Conditions = 25�C VCC = 0.0V VCC = 5.0V

Note 3: COUT is measured at frequency = 1 MHz, per MIL-STD-883B, Method 3012.



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