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电子发烧友网>电子资料下载>IC datasheet pdf>74HC541 pdf datasheet

74HC541 pdf datasheet

2008-08-06 | rar | 133 | 次下载 | 免费

资料介绍

MM54HC540/MM74HC540
Inverting Octal TRI-STATEÉ Buffer
MM54HC541/MM74HC541
Octal TRI-STATE Buffer
General Description
These TRI-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 MM54HC540/MM74HC540 is an inverting buffer and
the MM54HC541/MM74HC541 is a non-inverting buffer.
The TRI-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 'HC540 and
'HC541 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.
Features
Y Typical propagation delay: 12 ns
Y TRI-STATE outputs for connection to system buses
Y Wide power supply range: 2±6V
Y Low quiescent current: 80 mA maximum (74HC Series)
Y Output current: 6 mA
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