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PDF MC14585B Data sheet ( Hoja de datos )
| Número de pieza | MC14585B | |
| Descripción | 4-Bit Magnitude Comparator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC14585B
4-Bit Magnitude Comparator
The MC14585B 4−Bit Magnitude Comparator is constructed with
complementary MOS (CMOS) enhancement mode devices. The circuit
has eight comparing inputs (A3, B3, A2, B2, A1, B1, A0, B0), three
cascading inputs (A < B, A = B, and A > B), and three outputs (A < B,
A = B, and A > B). This device compares two 4−bit words (A and B)
and determines whether they are “less than”, “equal to”, or “greater
than” by a high level on the appropriate output. For words greater than
4−bits, units can be cascaded by connecting outputs (A > B), (A < B),
and (A = B) to the corresponding inputs of the next significant
comparator. Inputs (A < B), (A = B), and (A > B) on the least significant
(first) comparator are connected to a low, a high, and a low, respectively.
Applications include logic in CPU’s, correction and/or detection of
instrumentation conditions, comparator in testers, converters, and
controls.
Features
• Diode Protection on All Inputs
• Expandable
• Applicable to Binary or 8421−BCD Code
• Supply Voltage Range = 3.0 Vdc to 18 Vdc
• Capable of Driving Two Low−Power TTL Loads or One Low−Power
Schottky TTL Load over the Rated Temperature Range
• Can be Cascaded − See Figure 3
• NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable*
• This Device is Pb−Free and is RoHS Compliant
MAXIMUM RATINGS (Voltages Referenced to VSS)
Parameter
Symbol
Value
Unit
DC Supply Voltage Range
Input or Output Voltage Range
(DC or Transient)
VDD
Vin, Vout
−0.5 to +18.0
− 0.5 to VDD
+ 0.5
V
V
Input or Output Current (DC or Transient) Iin, Iout ±10 mA
per Pin
Power Dissipation per Package (Note 1)
PD
500 mW
Ambient Temperature Range
TA −55 to +125 °C
Storage Temperature Range
Tstg − 65 to +150 °C
Lead Temperature (8−Second Soldering)
TL
260 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. Temperature Derating: “D/DW” Package: –7.0 mW/_C From 65_C To 125_C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high−impedance circuit. For proper operation, Vin and Vout should be constrained
to the range VSS ≤ (Vin or Vout) ≤ VDD.
Unused inputs must always be tied to an appropriate logic voltage level
(e.g., either VSS or VDD). Unused outputs must be left open.
http://onsemi.com
1
SOIC−16
D SUFFIX
CASE 751B
PIN ASSIGNMENT
B2
A2
(A = B)out
(A u B)in
(A t B)in
(A = B)in
A1
VSS
1
2
3
4
5
6
7
8
16 VDD
15 A3
14 B3
13 (A u B)out
12 (A t B)out
11 B0
10 A0
9 B1
MARKING DIAGRAM
16
14585BG
AWLYWW
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
MC14585BDG
Package
SOIC−16
(Pb−Free)
Shipping†
48 Units / Rail
MC14585BDR2G SOIC−16 2500/Tape & Reel
(Pb−Free)
NLV14585BDR2G* SOIC−16 2500/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2014
July, 2014 − Rev. 9
1
Publication Order Number:
MC14585B/D
1 page  
15
A3
14
B3
2
A2
1
B2
7
A1
9
B1
10
A0
11
B0
5
(A < B)in
6
(A = B)in
4
(A > B)in
MC14585B
LOGIC DIAGRAM
12
(A < B)out
3
(A = B)out
13
(A > B)out
http://onsemi.com
5
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MC14585B.PDF ] | |
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