Inverting Octal 3-STATE Buffers

The MM74HC540 and MM74HC541 3-STATE Buffers utilize advanced silicon-gate CMOS technology. They possess high drive current outputs which enable high speed operation even when driving large bus capacitances. These circuits achieve speeds comparable to low power Schottky devices, while retaining the advantage of CMOS circuitry, i.e., high noise immunity, and low power consumption. Both devices have a fanout of 15 LS-TTL equivalent inputs.
The MM74HC540 is an inverting Buffer and the MM74HC541 is a non-inverting Buffer The 3-STATE control Gate operates as a two-input NOR such that if either G1# or G2# are HIGH, all eight outputs are in the high-impedance state.
In order to enhance PC board layout, the MM74HC540 and MM74HC541 offers a pinout having inputs and outputs on opposite sides of the package. All inputs are protected from damage due to static discharge by Diodes to VCC and ground.
By Fairchild Semiconductor
MM74HC540 's PackagesMM74HC540 's pdf datasheet
MM74HC540MTC TSSOP
MM74HC540MTCX TSSOP
MM74HC540MTC-NL TSSOP
MM74HC540N DIP
MM74HC540SJ SOP
MM74HC540SJX SOP
MM74HC540WM SOIC
MM74HC540WMX SOIC
MM74HC540WMX-NL SOIC




MM74HC540 Pinout, Pinouts
MM74HC540 pinout,Pin out
This is one package pinout of MM74HC540,If you need more pinouts please download MM74HC540's pdf datasheet.

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