74BCT540 Series

8-ch, 4.5-V to 5.5-V inverters with 3-state outputs

Catalog(3 parts)

Part	Output Type	Logic Type	Number of Elements▲▼	Voltage - Supply▲▼	Voltage - Supply▲▼	Package / Case	Package / Case▲▼	Package / Case▲▼	Mounting Type	Operating Temperature▲▼	Number of Bits per Element▲▼	Supplier Device Package	Current - Output High, Low▲▼	Package / Case▲▼
Texas Instruments SN74BCT540AN Buffer, Inverting 1 Element 8 Bit per Element 3-State Output 20-PDIP	3-State	Buffer, Inverting	1 ul	5.5 V	4.5 V	20-DIP	0.007619999814778566 m	0.007619999814778566 m	Through Hole	70 °C	8 ul	20-PDIP	0.014999999664723871 A, 0.06400000303983688 A
Texas Instruments SN74BCT540ADW Buffer, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC	3-State	Buffer, Inverting	1 ul	5.5 V	4.5 V	20-SOIC			Surface Mount	70 °C	8 ul	20-SOIC	0.014999999664723871 A, 0.06400000303983688 A	0.007493000011891127 m, 0.007499999832361937 m
Texas Instruments SN74BCT540ADWR Buffer, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC	3-State	Buffer, Inverting	1 ul	5.5 V	4.5 V	20-SOIC			Surface Mount	70 °C	8 ul	20-SOIC	0.014999999664723871 A, 0.06400000303983688 A	0.007493000011891127 m, 0.007499999832361937 m

Key Features

• Operating Voltage Range of 4.5 V to 5.5 VState-of-the-Art BiCMOS Design Significantly Reduces ICCZ3-State Outputs Drive Bus Lines or Buffer Memory Address RegistersP-N-P Inputs Reduce DC LoadingData Flow-Through Pinout (All Inputs on Opposite Side From Outputs)ESD Protection Exceeds JESD 222000-V Human-Body Model (A114-A)200-V Machine Model (A115-A)1000-V Charged-Device Model (C101)Operating Voltage Range of 4.5 V to 5.5 VState-of-the-Art BiCMOS Design Significantly Reduces ICCZ3-State Outputs Drive Bus Lines or Buffer Memory Address RegistersP-N-P Inputs Reduce DC LoadingData Flow-Through Pinout (All Inputs on Opposite Side From Outputs)ESD Protection Exceeds JESD 222000-V Human-Body Model (A114-A)200-V Machine Model (A115-A)1000-V Charged-Device Model (C101)

Description

The SN54BCT540 and SN74BCT540A octal buffers and line drivers are ideal for driving bus lines or buffer memory-address registers. The devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. The 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1\ or OE2\) input is high, all corresponding outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE\ should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN54BCT540 and SN74BCT540A octal buffers and line drivers are ideal for driving bus lines or buffer memory-address registers. The devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. The 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1\ or OE2\) input is high, all corresponding outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE\ should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.