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PDF 74C85 Data sheet ( Hoja de datos )
| Número de pieza | 74C85 | |
| Descripción | 4-Bit Magnitude Comparator | |
| Fabricantes | Fairchild | |
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Hay una vista previa y un enlace de descarga de 74C85 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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October 1987
Revised May 2002
MM74C85
4-Bit Magnitude Comparator
General Description
The MM74C85 is a four-bit magnitude comparator which
will perform comparison of straight binary or BCD codes.
The circuit consists of eight comparing inputs (A0, A1, A2,
A3, B0, B1, B2, B3), three cascading inputs (A > B, A < B
and A = B), and three outputs (A > B, A < B and A = B).
This device compares two four-bit words (A and B) and
determines whether they are “greater than,” “less than,” or
“equal to” each other by a high level on the appropriate out-
put. For words greater than four-bits, units can be cas-
caded by connecting the outputs (A > B, A < B, and A = B)
of the least significant stage to the cascade inputs (A > B, A
< B and A = B) of the next-significant stage. In addition the
least significant stage must have a high level voltage
(VIN(1)) applied to the A = B input and low level voltage
(VIN(0)) applied to A > B and A < B inputs.
Features
s Wide supply voltage range: 3.0V to 15V
s Guaranteed noise margin: 1.0V
s High noise immunity: 0.4 VCC (typ.)
s Low power: TTL compatibility:
fan out of 2 driving 74L
s Expandable to 'N' stages
s Applicable to binary or BCD
s Low power pinout: 74L85
Ordering Code:
Order Number Package Number
Package Description
MM74C85N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Connection Diagram
Top View
© 2002 Fairchild Semiconductor Corporation DS005886
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N16E
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet 74C85.PDF ] | |
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