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相关产品
产品信息
74HC573D
74HC573D
74HC573D
FEATURES
• Inputs and outputs on opposite
sides of package allowing easy
interface with microprocessors
• Useful as input or output port for
microprocessors/microcomputers
• 3-state non-inverting outputs for
bus oriented applications
• Common 3-state output enable
input
• Functionally identical to the “563”
and “373”
• Output capability: bus driver
• ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT573 are high-speed
Si-gate CMOS devices and are pin
compatible with low power Schottky
TTL (LSTTL). They are specified in
compliance with JEDEC standard no.
7A.
The 74HC/HCT573 are octal D-type
transparent latches featuring
separate D-type inputs for each latch
and 3-state outputs for bus oriented
applications.
A latch enable (LE) input and an
output enable (OE) input are common
to all latches.
The “573” consists of eight D-type
transparent latches with 3-state true
outputs. When LE is HIGH, data at
the Dn inputs enter the latches. In this
condition the latches are transparent,
i.e. a latch output will change state
each time its corresponding D-input
changes.