Datasheet > 74HCT238PW-Q100

74HCT238PW-Q100

更新时间： 2024-11-25 01:14:03

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
17页	244K
描述
3-to-8 line decoder/demultiplexer

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74HCT238PW-Q100 数据手册

74HC238-Q100; 74HCT238-Q100

3-to-8 line decoder/demultiplexer

Rev. 2 — 13 June 2018

Product data sheet

1 General description

The 74HC238-Q100; 74HCT238-Q100 decodes three binary weighted address inputs

(A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three

enable inputs (E1 and E2 and E3). Every output will be LOW unless E1 and E2 are LOW

and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32

(5 to 32 lines) decoder with just four '238 ICs and one inverter. The '238 can be used

as an eight output demultiplexer by using one of the active LOW enable inputs as the

data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This

enables the use of current limiting resistors to interface inputs to voltages in excess of

V_CC

This product has been qualified to the Automotive Electronics Council (AEC) standard

Q100 (Grade 1) and is suitable for use in automotive applications.

2 Features and benefits

• Automotive product qualification in accordance with AEC-Q100 (Grade 1)

– Specified from -40 °C to +85 °C and from -40 °C to +125 °C

• Demultiplexing capability

• Multiple input enable for easy expansion

• Ideal for memory chip select decoding

• Active HIGH mutually exclusive outputs

• Multiple package options

• Complies with JEDEC standard no. 7A

• Input levels:

– For 74HC238: CMOS level

– For 74HCT238: TTL level

• ESD protection:

– MIL-STD-883, method 3015 exceeds 2000 V

– HBM JESD22-A114F exceeds 2000 V

– MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)

3 Ordering information

Table 1.ꢀOrdering information

Type number

Package

Temperature range Name

Description

Version

74HC238D-Q100

74HCT238D-Q100

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

12 3 4 5 6 7...17

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