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74AHC573PW 数据表(PDF) 1 Page - NXP Semiconductors

部件名 74AHC573PW
功能描述  Octal D-type transparant latch; 3-state
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

74AHC573PW 数据表(HTML) 1 Page - NXP Semiconductors

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1.
General description
The 74AHC573; 74AHCT573 is a high-speed Si-gate CMOS device and is pin compatible
with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard
No. 7A.
The 74AHC573; 74AHCT573 consists of eight D-type transparent latches featuring
separate D-type inputs for each latch and 3-state true outputs for bus oriented
applications. A latch enable input (LE) and an output enable input (OE) are common to all
latches.
When pin LE is HIGH, data at the Dn inputs enters the latches. In this condition the
latches are transparent, i.e. a latch output will change state each time its corresponding
Dn input changes. When pin LE is LOW, the latches store the information that is present
at the Dn inputs, after a set-up time preceding the HIGH-to-LOW transition of LE.
When pin OE is LOW, the contents of the 8 latches are available at the outputs. When
pin OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of the OE
input does not affect the state of the latches.
The 74AHC573; 74AHCT573 is functionally identical to the 74AHC373; 74AHCT373, but
has a different pin arrangement.
2.
Features and benefits
Balanced propagation delays
All inputs have a Schmitt trigger action
Common 3-state output enable input
Functionally identical to the 74AHC373; 74AHCT373
Inputs accept voltages higher than VCC
Input levels:
For 74AHC573: CMOS input level
For 74AHCT573: TTL input level
ESD protection:
HBM EIA/JESD22-A114E exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V
CDM EIA/JESD22-C101C exceeds 1000 V
Multiple package options
Specified from
−40 °C to +85 °C and from −40 °C to +125 °C
74AHC573; 74AHCT573
Octal D-type transparant latch; 3-state
Rev. 05 — 25 March 2010
Product data sheet


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