tc74vhcv540ft TOSHIBA Semiconductor CORPORATION, tc74vhcv540ft Datasheet

tc74vhcv540ft

Manufacturer Part Number

tc74vhcv540ft

Description

Octal Schmitt Bus Buffer

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74VHCV540FT.pdf (9 pages)

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Octal Schmitt Bus Buffer

The TC74VHC540 and 541 are advanced high speed CMOS

OCTAL BUS BUFFERs fabricated with silicon gate CMOS

technology.

They achieve the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

The TC74VHCV540 is an inverting type, and the TC74VHCV541

is a non-inverting type.

When either

the high-impedance state.

Input pin have hysteresis between the positive-going and

negative-going thresholds. Thus the TC74VHCV540 and 541 are

capable of squaring up transitions of slowly changing input

signals and provides an improved noise immunity.

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

applied to the input and output (Note) pins 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

•

(74AC/VHC/HC/F/ALS/LS etc.) 540/541 type

Note:

High speed: t

Low power dissipation: I

Wide operating voltage range: V

Ouput current: |I

Available in TSSOP and VSSOP (US)

Power-down protection provided on all inputs and outputs

Pin and function compatible with the 74 series

TC74VHCV540FT/FK

TC74VHCV541FT/FK

Output in off-state

= 4.1 ns (typ.) at V

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

|/I

are high, the terminal outputs are in

TC74VHCV540FT,TC74VHCV540FK

TC74VHCV541FT,TC74VHCV541FK

= 16 mA (min) (V

= 2 μA (max) at Ta = 25°C

CC (opr)

Inverted, 3-State Outputs

Non-Inverted, 3-State

Outputs

= 5 V

= 1.8 V to 5.5 V

= 4.5 V)

Weight

TSSOP20-P-0044-0.65A

VSSOP20-P-0030-0.50

TC74VHCV540FT, TC74VHCV541FT

TC74VHCV540FK, TC74VHCV541FK

TC74VHCV540,541FT/FK

: 0.08 g ( typ.)

: 0.03 g ( typ.)

2010-07-09

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tc74vhcv540ft Summary of contents

Page 1

... Power-down protection provided on all inputs and outputs • Pin and function compatible with the 74 series (74AC/VHC/HC/F/ALS/LS etc.) 540/541 type Inverted, 3-State Outputs Non-Inverted, 3-State Outputs = 1 5 (opr TC74VHCV540,541FT/FK TC74VHCV540FT, TC74VHCV541FT TC74VHCV540FK, TC74VHCV541FK Weight TSSOP20-P-0044-0.65A : 0. typ.) VSSOP20-P-0030-0. typ.) 2010-07-09 ...

Page 2

Pin Assignment TC74VHCV540 GND 10 (top view) Truth Table Inputs Outputs ...

Page 3

Absolute Maximum Ratings (Note1) Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current Power dissipation DC V /ground current CC Storage temperature Note 1: Exceeding any of the absolute maximum ...

Page 4

Electrical Characteristics DC Characteristics Characteristics Symbol Positive threshold voltage V P Negative threshold voltage V N Hysteresis voltage V H High-level output voltage V OH Low-level output voltage V OL 3-state output off-state I OZ current Power-off leakage current I ...

Page 5

AC Characteristics (input Characteristics Symbol Propagation delay t pLH time t pHL (TC74VHCV540) Propagation delay t pLH time t pHL (TC74VHCV541) t pZL 3-state output enable R time t pZH t pLZ 3-state output disable R time t ...

Page 6

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

Page 7

Package Dimensions Weight: 0.08 g (typ.) TC74VHCV540,541FT/FK 7 2010-07-09 ...

Page 8

Package Dimensions Weight: 0.03 g (typ.) TC74VHCV540,541FT/FK 8 2010-07-09 ...

Page 9

RESTRICTIONS ON PRODUCT USE • Toshiba Corporation, and its subsidiaries and affiliates (collectively “TOSHIBA”), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively “Product”) without notice. • This document and ...

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