74LVC157AD Philips Semiconductors, 74LVC157AD Datasheet

74LVC157AD

Manufacturer Part Number

74LVC157AD

Description

3.3V QUAD 2-INPUT MULTIPLEXER

Manufacturer

Philips Semiconductors

Datasheet

1.74LVC157AD.pdf (7 pages)

Specifications of 74LVC157AD

Circuit Type

Silicon Gate

Current, Supply

40 μA

Function Type

2-Inputs

Logic Function

Multiplexer

Logic Type

CMOS

Number Of Circuits

Quad

Package Type

SO-16

Temperature, Operating, Range

-40 to +125 °C

Voltage, Supply

3.6 V

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

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Philips Semiconductors

FEATURES

DESCRIPTION

The 74LVC157A is a high-performance, low-power,

low-voltage, Si-gate CMOS device and superior to most

advanced CMOS compatible TTL families.

QUICK REFERENCE DATA

GND = 0 V; T

Notes

1. C

2. The condition is V

PHL

SYMBOL

5 V tolerant inputs for interfacing with 5 V logic

Wide supply voltage range from 1.2 to 3.6 V

CMOS low power consumption

Direct interface with TTL levels

Inputs accept voltages up to 5.5 V

Complies with JEDEC standard no. 8-1A

ESD protection:

HBM EIA/JESD22-A114-A exceeds 2000 V

MM EIA/JESD22-A115-A exceeds 200 V.

Specified from 40 to +85 C and 40 to +125 C.

Quad 2-input multiplexer

N = total load switching outputs;

= input frequency in MHz;

PLH

= output frequency in MHz;

= output load capacitance in pF;

= C

is used to determine the dynamic power dissipation (P

= supply voltage in Volts;

amb

propagation delay

input capacitance

power dissipation capacitance per gate

nI0, nI1 to nY

E to nY

S to nY

= 25 C; t

) = sum of the outputs.

= GND to V

N + (C

PARAMETER

= t

2.5 ns.

) where:

= 50 pF; V

Inputs can be driven from either 3.3 or 5 V devices. This

feature allows the use of these devices as translators in a

mixed 3.3 and 5 V environment.

The 74LVC157A is a quad 2-input multiplexer which select

four bits of data from two sources under the control of a

common select input (S). The four outputs present the

selected data in the true (non-inverted) form. The enable

input (E) is active LOW. When pin E is HIGH, all of the

outputs (1Y to 4Y) are forced LOW regardless of all the

other input conditions. Moving the data from two groups of

registers to four common output buses is a common use of

the 74LVC157A. The state of the common data select

input (S) determines the particular register from which the

data comes. It can also be used as function generator.

The device is useful for implementing highly irregular logic

by generating any 4 of the 16 different functions of two

variables with one variable common.

The 74LVC157A is the logic implementation of a 4-pole,

2-position switch, where the position of the switch is

determined by the logic levels applied to pin S.

= 3.3 V; notes 1 and 2

in W).

CONDITIONS

= 3.3 V

2.6

2.8

2.6

5.0

TYPICAL

Product speciﬁcation

74LVC157A

UNIT

Related parts for 74LVC157AD

74LVC157AD Summary of contents

Page 1

... Philips Semiconductors Quad 2-input multiplexer FEATURES 5 V tolerant inputs for interfacing with 5 V logic Wide supply voltage range from 1.2 to 3.6 V CMOS low power consumption Direct interface with TTL levels Inputs accept voltages up to 5.5 V Complies with JEDEC standard no. 8-1A ESD protection: HBM EIA/JESD22-A114-A exceeds 2000 V MM EIA/JESD22-A115-A exceeds 200 V ...

Page 2

... Quad 2-input multiplexer FUNCTION TABLE See note Note HIGH voltage level LOW voltage level don’t care. ORDERING INFORMATION TEMPERATURE TYPE NUMBER RANGE 74LVC157AD 40 to +125 C 74LVC157ADB 40 to +125 C 74LVC157APW 40 to +125 C 74LVC157ABQ 40 to +125 C PINNING PIN SYMBOL 1I0 3 1I1 2I0 ...

Page 3

... Philips Semiconductors Quad 2-input multiplexer RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER V supply voltage CC V input voltage I V output voltage O T operating ambient temperature amb input rise and fall times r f LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V). ...

Page 4

... Philips Semiconductors Quad 2-input multiplexer DC CHARACTERISTICS At recommended operating conditions; voltages are referenced to GND (ground = 0 V). SYMBOL PARAMETER +85 C amb V HIGH-level input IH voltage V LOW-level input IL voltage V HIGH-level output OH voltage V LOW-level output OL voltage I input leakage LI current I quiescent supply CC current I additional quiescent CC supply current per ...

Page 5

... Philips Semiconductors Quad 2-input multiplexer SYMBOL PARAMETER +125 C amb V HIGH-level input IH voltage V LOW-level input IL voltage V HIGH-level output OH voltage V LOW-level output OL voltage I input leakage LI current I quiescent supply CC current I additional quiescent CC supply current per input pin Note 1. All typical values are measured at T TEST CONDITIONS ...

Page 6

... Philips Semiconductors Quad 2-input multiplexer AC CHARACTERISTICS GND = 2.5 ns SYMBOL PARAMETER +85 C; note 1 amb t /t propagation delay nI0, PHL PLH nI1 to nY propagation delay propagation delay skew sk( +125 C amb t /t propagation delay nI0, PHL PLH nI1 to nY propagation delay propagation delay skew ...

Page 7

... Philips Semiconductors Quad 2-input multiplexer PACKAGE OUTLINES SO16: plastic small outline package; 16 leads; body width 3 pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. 0.25 1.45 mm 1.75 0.25 0.10 1.25 0.010 0.057 inches 0.069 0.01 0.004 0.049 Note 1 ...

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