tc74act257f TOSHIBA Semiconductor CORPORATION, tc74act257f Datasheet

tc74act257f

Manufacturer Part Number

tc74act257f

Description

2-channel Multiplexer

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74ACT257F.pdf (8 pages)

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2-Channel Multiplexer (3-state)

MULTIPLEXER fabricated with silicon gate and double-layer

metal wiring C

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

TTL or NMOS to High Speed CMOS. The inputs are compatible

with TTL or NMOS and CMOS output voltage levels.

with common SELECT and

state. When SELECT is set low, “A” data inputs are enabled.

enabled.

discharge or transient excess voltage.

Features

•

Pin Assignment

The TC74ACT257 is an advanced high speed CMOS

It achieve the high speed operation similar to equivalent

This device may be used as a level converter for interfacing

Each is composed of four independent 2-channel multiplexers

If OE is set low, the outputs are held in a high-impedance

Conversely, when SELECT is high, “B” data inputs are

All inputs are equipped with protection circuits against static

High speed: t

Low power dissipation: I

Compatible with TTL outputs: V

Symmetrical output impedance: |I

Balanced propagation delays: t

Pin and function compatible with 74F257

TC74ACT257P,TC74ACT257F,TC74ACT257FN

MOS technology.

= 5.8 ns (typ.) at V

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

OUTPUT

= 8 μA (max) at Ta = 25°C

pLH

Capability of driving 50 Ω

transmission lines.

= 0.8 V (max)

ENABLE

∼ − t

= 2.0 V (min)

= 5 V

| = I

pHL

= 24 mA (min)

( OE ).

Note:

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

SOL16-P-150-1.27

TC74ACT257P

TC74ACT257F

TC74ACT257FN

xxxFN (JEDEC SOP) is not available in

Japan.

TC74ACT257P/F/FN

: 1.00 g (typ.)

: 0.18 g (typ.)

: 0.13 g (typ.)

2007-10-01

Related parts for tc74act257f

tc74act257f Summary of contents

Page 1

... CC = 0.8 V (max 2.0 V (min (min Capability of driving 50 Ω transmission lines. ∼ − t pLH pHL 1 TC74ACT257P/F/FN Note: xxxFN (JEDEC SOP) is not available in Japan. TC74ACT257P TC74ACT257F TC74ACT257FN Weight DIP16-P-300-2.54A : 1.00 g (typ.) SOP16-P-300-1.27A : 0.18 g (typ.) SOL16-P-150-1.27 : 0.13 g (typ.) 2007-10-01 ...

Page 2

IEC Logic Symbol Truth Table Inputs OE SELECT Don’t care Z: High impedance System Diagram Output Y ...

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 3-state output I OZ off-state current Input leakage I IN current I CC Quiescent ...

Page 5

Package Dimensions Weight: 1.00 g (typ.) TC74ACT257P/F/FN 5 2007-10-01 ...

Page 6

Package Dimensions Weight: 0.18 g (typ.) TC74ACT257P/F/FN 6 2007-10-01 ...

Page 7

Package Dimensions (Note) Note: This package is not available in Japan. Weight: 0.13 g (typ.) TC74ACT257P/F/FN 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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