tc74vhc257 TOSHIBA Semiconductor CORPORATION, tc74vhc257 Datasheet

tc74vhc257

Manufacturer Part Number

tc74vhc257

Description

Quad 2-channel Multiplexer 3-state

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74VHC257.pdf (10 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

tc74vhc257FT

Manufacturer:

TOSHIBA

Quantity:

20 000

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Download datasheet (267Kb)

Quad 2-Channel Multiplexer (3-state)

MULTIPLEXER fabricated with silicon gate C

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

common SELECT and

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

enabled.

applied to the input pins without regard to the supply voltage.

This device can be used to interface 5 V to 3 V systems and two

supply systems such as battery back up. This circuit prevents

device destruction due to mismatched supply and input voltages.

Features

•

The TC74VHC257 is an advanced high speed CMOS

It achieves the high speed operation similar to equivalent

It is composed of four independent 2-channel multiplexers with

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

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

An input protection circuit ensures that 0 to 5.5 V can be

TC74VHC257F,TC74VHC257FN,TC74VHC257FT,TC74VHC257FK

High speed: t

Low power dissipation: I

High noise immunity: V

Power down protection is provided on all inputs.

Balanced propagation delays: t

Wide operating voltage range: V

Low noise: V

Pin and function compatible with 74ALS257

OLP

= 3.6 ns (typ.) at V

= 0.8 V (max)

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

OUTPUT

NIH

= 4 μA (max) at Ta = 25°C

= V

ENABLE

pLH

NIL

CC (opr)

∼ − t

= 28% V

= 5 V

pHL

= 2 to 5.5 V

( OE ).

MOS technology.

(min)

Note:

Weight

SOP16-P-300-1.27A

SOL16-P-150-1.27

TSSOP16-P-0044-0.65A

VSSOP16-P-0030-0.50

TC74VHC257F

TC74VHC257FN

TC74VHC257FT

TC74VHC257FK

TC74VHC257F/FN/FT/FK

xxxFN (JEDEC SOP) is not available in

Japan.

: 0.18 g (typ.)

: 0.13 g (typ.)

: 0.06 g (typ.)

: 0.02 g (typ.)

2007-10-01

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tc74vhc257 Summary of contents

Page 1

... TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VHC257F,TC74VHC257FN,TC74VHC257FT,TC74VHC257FK Quad 2-Channel Multiplexer (3-state) The TC74VHC257 is an advanced high speed CMOS MULTIPLEXER fabricated with silicon gate C It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation ...

Page 2

... Don’t care Z: High impedance IEC Logic Symbol SELECT Output TC74VHC257F/FN/FT/FK (15) EN (1) G1 (2) MUX 1 (4) 1Y (3) 1 (5) (7) 2Y (6) (11) (9) 3Y (10) (14) (12) 4Y (13) 2007-10-01 ...

Page 3

... Symbol Rating V −0 −0 −0 OUT CC I − ± ±25 OUT I ± 180 D T −65 to 150 stg 3 TC74VHC257F/FN/FT/ Unit 0 °C 2007-10-01 ...

Page 4

... 4 5 GND OUT 5 GND GND 5 TC74VHC257F/FN/FT/FK Unit °C ns 25°C −40 to 85°C Min Typ. Max Min Max 1.50 1.50 ― ― ― V × V × ― ― ― ...

Page 5

... I /4 (per bit ns Test Condition Symbol OLP OLV IHD ILD L 5 TC74VHC257F/FN/FT/ − 25°C 85°C Min Typ. Max Min Max ― 5.8 9.3 1.0 11.0 ― 8.3 12.8 1.0 14.5 ― 3.6 5.9 1.0 7.0 ― 5.1 7.9 1.0 9.0 ― 7.0 11.0 1.0 13.0 ― ...

Page 6

... Package Dimensions Weight: 0.18 g (typ.) TC74VHC257F/FN/FT/FK 6 2007-10-01 ...

Page 7

... Package Dimensions (Note) Note: This package is not available in Japan. Weight: 0.13 g (typ.) TC74VHC257F/FN/FT/FK 7 2007-10-01 ...

Page 8

... Package Dimensions Weight: 0.06 g (typ.) TC74VHC257F/FN/FT/FK 8 2007-10-01 ...

Page 9

... Package Dimensions Weight: 0.02 g (typ.) TC74VHC257F/FN/FT/FK 9 2007-10-01 ...

Page 10

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74VHC257F/FN/FT/FK 10 20070701-EN GENERAL 2007-10-01 ...

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