tc7met540afk TOSHIBA Semiconductor CORPORATION, tc7met540afk Datasheet

tc7met540afk

Manufacturer Part Number

tc7met540afk

Description

Octal Bus Buffer

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC7MET540AFK.pdf (7 pages)

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Octal Bus Buffer

CMOS octal bus buffers fabricated with silicon gate C

technology. They achieve the high speed operation similar to

equivalent bipolar schottky TTL while maintaining the CMOS

low power dissipation.

TC7MET541AFK is a non-inverting type.

the high-impedance state.

3.3 V to 5 V system.

without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and

input/output voltages such as battery back up, hot board insertion, etc.

Features

•

The TC7MET540AFK and 541AFK are advanced high speed

The TC7MET540AFK is an inverting type and, the

When either G1 or G2 are high , the terminal outputs are in

The input voltage are compatible with TTL output voltage.

These devices may be used as a level converter for interfacing

Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output

TC7MET540AFK Inverted, 3-State Outputs

TC7MET541AFK Non-Inverted, 3-State Outputs

Note: V

High speed: t

Low power dissipation: I

Compatible with TTL outputs: V

Power down protection is provided on all inputs and outputs.

Balanced propagation delays: t

Low noise: V

Pin and function compatible with the 74 series (74AC/HC/F/ALS/LS etc.) 540/541 type.

TC7MET540AFK,TC7MET541AFK

= 0 V

OLP

= 5.4 ns (typ.) (V

= 1.5 V (max)

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

= 4 μA (max) (Ta = 25°C)

pLH

≈ t

= 0.8 V (max)

= 5 V)

= 2.0 V (min)

pHL

MOS

Weight: 0.03 g (typ.)

TC7MET540,541AFK

(Note)

2007-10-19

pins

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tc7met540afk Summary of contents

Page 1

... They achieve the high speed operation similar to equivalent bipolar schottky TTL while maintaining the CMOS low power dissipation. The TC7MET540AFK is an inverting type and, the TC7MET541AFK is a non-inverting type. When either are high , the terminal outputs are in the high-impedance state. ...

Page 2

... A3 (5) A4 (6) A5 (7) A6 (8) A7 (9) A8 Truth Table Inputs Don’t care Z: High impedance Y : TC7MET541AFK n : TC7MET540AFK ...

Page 3

Absolute Maximum Ratings 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 maximum ratings, ...

Page 4

... Input leakage current Quiescent supply current I CCT Output leakage current I OPD AC Electrical Characteristics Characteristics Symbol Propagation delay time t pLH t pHL (TC7MET540AFK) Propagation delay time t pLH t pHL (TC7MET541AFK) t pZL 3-state output enable time t pZH t pLZ 3-state output disable time t pHZ t osLH ...

Page 5

Noise Characteristics (Input: t Characteristics Quiet output maximum dynamic V OL Quiet output minimum dynamic V OL Minimum high level dynamic input voltage V Maximum low level dynamic input voltage ns Symbol Test ...

Page 6

Package Dimensions Weight: 0.03 g (typ.) TC7MET540,541AFK 6 2007-10-19 ...

Page 7

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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