tc74hc238af TOSHIBA Semiconductor CORPORATION, tc74hc238af Datasheet

tc74hc238af

Manufacturer Part Number

tc74hc238af

Description

3-to-8 Line Decoder

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74HC238AF.pdf (8 pages)

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3-to-8 Line Decoder

fabricated with silicon gate C

LSTTL while maintaining the CMOS low power dissipation.

determine which one of the outputs (Y0-Y7) will go high.

held high, decoding function is inhibited and all the outputs go

low. G1,

connection and for use as an adress decoder for memory systems.

discharge or transient excess voltage.

Features

•

Pin Assignment

The TC74HC238A is a high speed CMOS 3-to-8 DECODER

It achieves the high speed operation similar to equivalent

When the device is enabled, 3 Binary Select inputs (A, B and C)

When enable input G1 is held low or either

All inputs are equipped with protection circuits against static

High speed: t

Low power dissipation: I

High noise immunity: V

Output drive capability: 10 LSTTL loads

Symmetrical output impedance: |I

Balanced propagation delays: t

Wide operating voltage range: V

Pin and function compatible with 74LS238

TC74HC238AP,TC74HC238AF

, and

= 14 ns (typ.) at V

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

inputs are provided ease cascade

NIH

MOS technology.

= 4 μA (max) at Ta = 25°C

= V

pLH

NIL

∼ − t

(opr) = 2~6 V

= 28% V

= 5 V

| = I

pHL

= 4 mA (min)

(min)

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

TC74HC238AP

TC74HC238AF

TC74HC238AP/AF

: 1.00 g (typ.)

: 0.18 g (typ.)

2007-10-01

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tc74hc238af Summary of contents

Page 1

... Wide operating voltage range: V • Pin and function compatible with 74LS238 Pin Assignment 28% V (min) NIL (min ∼ − t pLH pHL (opr TC74HC238AP/AF TC74HC238AP TC74HC238AF Weight DIP16-P-300-2.54A : 1.00 g (typ.) SOP16-P-300-1.27A : 0.18 g (typ.) 2007-10-01 ...

Page 2

IEC Logic Symbol Truth Table Inputs Enable Select ...

Page 3

Absolute Maximum Ratings (Note 1) Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current DC V /ground current CC Power dissipation Storage temperature Note 1: Exceeding any of the absolute ...

Page 4

Electrical Characteristics DC Characteristics Characteristics Symbol High-level input V IH voltage Low-level input V IL voltage High-level output V OH voltage Low-level output V OL voltage Input leakage I IN current Quiescent supply I CC current AC Characteristics = 15 ...

Page 5

AC Characteristics = 50 pF, input Characteristics Symbol t TLH Output transition time t THL Propagation delay t pLH time t pHL (A, B, C-Y) Propagation delay t pLH time t pHL (G, G -Y) Input capacitance ...

Page 6

Package Dimensions Weight: 1.00 g (typ.) TC74HC238AP/AF 6 2007-10-01 ...

Page 7

Package Dimensions Weight: 0.18 g (typ.) TC74HC238AP/AF 7 2007-10-01 ...

Page 8

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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