TC74LCX257FT TOSHIBA [Toshiba Semiconductor], TC74LCX257FT Datasheet

TC74LCX257FT

Manufacturer Part Number

TC74LCX257FT

Description

Low-Voltage Quad 2-Channel Multiplexer (3-state) with 5-V Tolerant Inputs and Outputs

Manufacturer

TOSHIBA [Toshiba Semiconductor]

Datasheet

1.TC74LCX257FT.pdf (10 pages)

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Meier Automation Equipment Co., Limited

Part Number:

TC74LCX257FT

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Low-Voltage Quad 2-Channel Multiplexer (3-state) with 5-V Tolerant Inputs and Outputs

Designed for use in 3.3-V systems, it achieves high-speed

operation while maintaining the CMOS low-power dissipation.

but it could be used to interface to 5-V supply environment for

inputs.

common select and OE .

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

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

discharge.

Features

•

The TC74LCX257 is a high-performance CMOS multiplexer.

The device is designed for low-voltage (3.3 V) V

It is composed of four independent 2-channel multiplexers with

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

All inputs are equipped with protection circuits against static

Low-voltage operation: V

High-speed operation: t

Output current: |I

Latch-up performance: −500 mA

Available in JEDEC SOP, JEITA SOP and TSSOP

Power-down protection provided on all inputs and outputs

Pin and function compatible with the 74 series

(74AC/VHC/HC/F/ALS/LS etc.) 257 type

TC74LCX257F,TC74LCX257FN,TC74LCX257FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

|/I

= 6.0 ns (max) (V

= 24 mA (min) (V

= 2.0 to 3.6 V

= 3.0 to 3.6 V)

= 3.0 V)

applications,

Note:

Weight

SOP16-P-300-1.27A

SOL16-P-150-1.27

TSSOP16-P-0044-0.65A

TC74LCX257F

TC74LCX257FN

TC74LCX257FT

xxxFN (JEDEC SOP) is not available in

Japan.

TC74LCX257F/FN/FT

: 0.18 g (typ.)

: 0.12 g (typ.)

: 0.06 g (typ.)

2007-10-19

Related parts for TC74LCX257FT

TC74LCX257FT 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.) 257 type Note: xxxFN (JEDEC SOP) is not available in Japan. TC74LCX257F applications, CC TC74LCX257FN = 3 TC74LCX257FT Weight SOP16-P-300-1.27A SOL16-P-150-1.27 TSSOP16-P-0044-0.65A 1 TC74LCX257F/FN/FT : 0.18 g (typ.) : 0.12 g (typ.) : 0.06 g (typ.) 2007-10-19 ...

Page 2

Pin Assignment (top view) SELECT GND 8 Truth Table Inputs OE SELECT ...

Page 3

Absolute Maximum Ratings (Note 1) Characteristics Power supply voltage 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 ...

Page 4

Electrical Characteristics DC Characteristics (Ta = −40 to 85°C) Characteristics H-level Input voltage L-level H-level Output voltage L-level Input leakage current 3-state output OFF state current Power-off leakage current Quiescent supply current Increase in Icc per input AC Characteristics (Ta ...

Page 5

Dynamic Switching Characteristics Characteristics Quiet output maximum dynamic V OL Quiet output minimum dynamic V OL Capacitive Characteristics Characteristics Input capacitance Output capacitance Power dissipation capacitance Note defined as the value of the internal equivalent capacitance which is ...

Page 6

Output Enable ( pLZ Output (Y) Low to Off to Low t pHZ Output (Y) High to Off to High Outputs enabled Figure 3 t TC74LCX257F/FN/ 90% 1.5 V ...

Page 7

Package Dimensions Weight: 0.18 g (typ.) TC74LCX257F/FN/FT 7 2007-10-19 ...

Page 8

Package Dimensions (Note) Note: This package is not available in Japan. Weight: 0.12 g (typ.) TC74LCX257F/FN/FT 8 2007-10-19 ...

Page 9

Package Dimensions Weight: 0.06 g (typ.) TC74LCX257F/FN/FT 9 2007-10-19 ...

Page 10

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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