74HC243

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74HC243 数据手册

74HC243

Quad bus transceiver; 3-state

Rev. 03 — 12 November 2004

Product data sheet

1. General description

The 74HC243 is a high-speed Si-gate CMOS device and is pin compatible with low power

Schottky TTL (LSTTL). The 74HC243 is speciﬁed in compliance with JEDEC

standard no. 7A.

The 74HC243 is a quad bus transceiver featuring non-inverting 3-state bus compatible

outputs in both send and receive directions. The 74HC243 is designed for 4-line

asynchronous 2-way data communications between data buses.

The output enable inputs (OEA and OEB) can be used to isolate the buses.

The 74HC243 is similar to the 74HC242 but has non-inverting (true) outputs.

2. Features

■ Non-inverting 3-state outputs

■ 2-way asynchronous data bus communication

■ Low-power dissipation

■ Complies with JEDEC standard no. 7A

■ ESD protection:

◆ HBM EIA/JESD22-A114-B exceeds 2000 V

◆ MM EIA/JESD22-A115-A exceeds 200 V.

■ Multiple package options

■ Speciﬁed from −40 °C to +80 °C and from −40 °C to +125 °C.

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型号	品牌	获取价格	描述	数据表
74HC243D	NXP	获取价格	Quad bus transceiver; 3-state
74HC243D,112	NXP	获取价格	74HC243 - Quad bus transceiver; 3-state SOIC 14-Pin
74HC243D,118	NXP	获取价格	74HC243 - Quad bus transceiver; 3-state SOIC 14-Pin
74HC243DB	NXP	获取价格	Quad bus transceiver; 3-state
74HC243DB,112	NXP	获取价格	74HC243 - Quad bus transceiver; 3-state SSOP1 14-Pin
74HC243DB,118	NXP	获取价格	74HC243 - Quad bus transceiver; 3-state SSOP1 14-Pin
74HC243D-T	ETC	获取价格	4-Bit Bus Transceiver
74HC243N	NXP	获取价格	Quad bus transceiver; 3-state
74HC243NB	NXP	获取价格	暂无描述
74HC243PW-T	NXP	获取价格	IC HC/UH SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14, Bus Driver/Transceiver