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PDF CBT3257 Data sheet ( Hoja de datos )

Número de pieza CBT3257
Descripción Quad 1-of-2 multiplexer/demultiplexer
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! CBT3257 Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
CBT3257
Quad 1-of-2 multiplexer/demultiplexer
Product data
Supersedes data of 27 Sep 2002
2002 Dec 13
Philips
Semiconductors

1 page




CBT3257 pdf
Philips Semiconductors
Quad 1-of-2 multiplexer/demultiplexer
Product data
CBT3257
AC CHARACTERISTICS
Tamb = -40 to +85 °C; CL = 50 pF
SYMBOL
PARAMETER
FROM (INPUT)
TO
(OUTPUT)
LIMITS
VCC = +5.0 V ±0.5 V
MIN MAX
UNIT
tpd Propagation delay1
tpd Propagation delay
ten
Output enable time
to High and Low level
A or B
B or A
0.25 ns
S A 1.6 5.0 ns
OE
A or B
1.8
5.1 ns
S B 1.6 5.2 ns
tdis
Output disable time
from High and Low level
OE
A or B
2.2
5.5 ns
S B 1.0 5.0 ns
NOTE:
1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance,
when driven by an ideal voltage source (zero output impedance).
AC WAVEFORMS
VM = 1.5 V, VIN = GND to 3.0 V
3V
INPUT
1.5 V
tPLH
1.5 V
tPHL
0V
VOH
OUTPUT
1.5 V
1.5 V
VOL
SA00028
Waveform 1. Input to Output Propagation Delays
Output Control
(Low-level
enabling )
1.5 V
1.5 V
3V
tPZL
Output
Waveform 1
S1 at 7 V
(see Note)
tPZH
Output
Waveform 2
S1 at Open
(see Note)
1.5 V
1.5 V
tPLZ
tPHZ
0V
3.5 V
VOL + 0.3 V
VOL
VOH
VOH - 0.3 V
0V
Note:
Waveform 1 is for an output with internal conditions such that
the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that
the output is high except when disabled by the output control.
SA00029
Waveform 2. 3-State Output Enable and Disable Times
NOTES:
1. tPLZ and tPHZ are the same as tdis.
2. tPZL and tPZH are the same as ten.
3. tPLH and tPHL are the same as tpd.
TEST CIRCUIT AND WAVEFORMS
From Output
Under Test
CL = 50 pF
500
500
7V
S1
Open
GND
Load Circuit
TEST
S1
tpd
tPLZ/tPZL
tPHZ/tPZH
open
7V
open
DEFINITIONS
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
SA00012
NOTES:
1. All input pulses are supplied by generators having the following
characteristics: PRR 10 MHz, ZO = 50 , tr 2.5 ns, tf 2.5 ns.
2. The outputs are measured one at a time with one transition per
measurement.
2002 Dec 13
5

5 Page





CBT3257 arduino
Philips Semiconductors
Quad 1-of-2 multiplexer/demultiplexer
Product data
CBT3257
Data sheet status
Level
Data sheet status[1]
Product
status[2] [3]
I Objective data
Development
Definitions
This data sheet contains data from the objective specification for product development.
Philips Semiconductors reserves the right to change the specification in any manner without notice.
II Preliminary data
Qualification
This data sheet contains data from the preliminary specification. Supplementary data will be published
at a later date. Philips Semiconductors reserves the right to change the specification without notice, in
order to improve the design and supply the best possible product.
III Product data
Production
This data sheet contains data from the product specification. Philips Semiconductors reserves the
right to make changes at any time in order to improve the design, manufacturing and supply. Relevant
changes will be communicated via a Customer Product/Process Change Notification (CPCN).
[1] Please consult the most recently issued data sheet before initiating or completing a design.
[2] The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL
http://www.semiconductors.philips.com.
[3] For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given
in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no
representation or warranty that such applications will be suitable for the specified use without further testing or modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be
expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree
to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes in the productsincluding circuits, standard cells, and/or softwaredescribed
or contained herein in order to improve design and/or performance. When the product is in full production (status Production), relevant changes will be communicated
via a Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys
no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent,
copyright, or mask work right infringement, unless otherwise specified.
Contact information
For additional information please visit
http://www.semiconductors.philips.com.
Fax: +31 40 27 24825
For sales offices addresses send e-mail to:
Koninklijke Philips Electronics N.V. 2002
All rights reserved. Printed in U.S.A.
Document order number:
Date of release: 12-02
9397 750 10869
Philips
Semiconductors
2002 Dec 13
11

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