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MC14585B 데이터시트(PDF) 1 Page - ON Semiconductor

부품명 MC14585B
상세설명  4-Bit Magnitude Comparator
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2000
March, 2000 – Rev. 3
1
Publication Order Number:
MC14585B/D
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.
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 Fig. 3
MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 2.)
Symbol
Parameter
Value
Unit
VDD
DC Supply Voltage Range
– 0.5 to +18.0
V
Vin, Vout
Input or Output Voltage Range
(DC or Transient)
– 0.5 to VDD + 0.5
V
Iin, Iout
Input or Output Current
(DC or Transient) per Pin
±10
mA
PD
Power Dissipation,
per Package (Note 3.)
500
mW
TA
Ambient Temperature Range
– 55 to +125
°C
Tstg
Storage Temperature Range
– 65 to +150
°C
TL
Lead Temperature
(8–Second Soldering)
260
°C
2. Maximum Ratings are those values beyond which damage to the device
may occur.
3. Temperature Derating:
Plastic “P and D/DW” Packages: – 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 v (Vin or Vout) v 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
A
= Assembly Location
WL or L
= Wafer Lot
YY or Y
= Year
WW or W = Work Week
Device
Package
Shipping
ORDERING INFORMATION
MC14585BCP
PDIP–16
2000/Box
MC14585BD
SOIC–16
48/Rail
MC14585BDR2
SOIC–16
2500/Tape & Reel
1. For ordering information on the EIAJ version of
the SOIC packages, please contact your local
ON Semiconductor representative.
MARKING
DIAGRAMS
1
16
PDIP–16
P SUFFIX
CASE 648
MC14585BCP
AWLYYWW
SOIC–16
D SUFFIX
CASE 751B
1
16
14585B
AWLYWW
SOEIAJ–16
F SUFFIX
CASE 966
1
16
MC14585B
AWLYWW
MC14585BF
SOEIAJ–16
See Note 1.


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