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PDF HCF40257B Data sheet ( Hoja de datos )
| Número de pieza | HCF40257B | |
| Descripción | QUAD 2-LINE-TO-1-LINE DATA SELECTOR/MULTIPLEXER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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HCC/HCF40257B
QUAD 2-LINE-TO-1-LINE DATA SELECTOR/MULTIPLEXER
. 3-STATE OUTPUTS
. STANDARDIZED SYMMETRICAL OUTPUT
CHARACTERISTICS
. 5V, 10V, AND 15V PARAMETRIC RATINGS
. INPUT CURRENT OF 100nA AT 18V AND 25°C
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD N° 13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
EY F
(Plastic Package) (Ceramic Frit Seal Package)
M1
(Micro Package)
C1
(Plastic Chip Carrier)
ORDER CODES :
HCC40257BF
HCF40257BM1
HCF40257BEY HCF40257BC1
PIN CONNECTIONS
DESCRIPTION
The HCC40257B (extended temperature range)
and HCF40257B (intermediate temperature range)
are monolithic integrated circuits, available in 16-
lead dual in-line plastic or ceramic package and
plastic micro package.
The HCC/HCF40257B is a Data Selector/Multi-
plexer featuring three-state outputs which can inter-
face directly with and drive data lines of bus-oriented
systems.
June 1989
1/11
1 page  
HCC/HCF40257B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200kΩ,
typical temperature coefficient for all VDD values is 0.3%/°C, all input rise and fall time = 20ns)
Symbol
Parameter
tPL H,
tPHL
Propagation Delay Time
Data Input to Output
Test Conditions
Value
V D D (V) Min. Typ. Max.
5 150 300
10 70 140
15 50 100
Select to Output
5 190 380
10 85 170
Output Disable to Output
15 65 130
5 95 190
10 50 100
15 40 80
tT HL
t T L H,
Transition Time
5 100 200
10 50 100
15 40 80
Unit
ns
ns
ns
ns
Output Low (sink) Current Characteristics.
Output High (source) Current Characteristics.
Typical Propagation Delay Time vs. Load Capacit-
ance (Data Input to Output).
Typical Transition Time vs. Load Capacitance.
5/11
5 Page 
HCC/HCF40257B
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
© 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet HCF40257B.PDF ] | |
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