MC14585BF ON Semiconductor, MC14585BF Datasheet - Page 4

• Manufacturer Part Number: MC14585BF
• Manufacturer: ON Semiconductor
• Type: Magnitude Comparatorr

Specifications of MC14585BF

• Logic Family: 4000
• Technology: CMOS
• High Level Output Current: -4.2mA
• Low Level Output Current: 4.2mA
• Output Function: A<B, A=B, A>B
• Package Type: SO EIAJ
• Quiescent Current: 20uA
• Mounting: Surface Mount
• Pin Count: 16
• Polarity: Non-Inverting
• Abs. Propagation Delay Time: 860ns
• Operating Supply Voltage (typ): 3.3/5/9/12/15V
• Operating Supply Voltage (max): 18V
• Operating Supply Voltage (min): 3V
• Operating Temperature (max): 125C
• Operating Temperature Classification: Military
• Number Of Bits: 4
• Lead Free Status / RoHS Status: Compliant

Inputs (A>B) and (A=B) high, and inputs B2, A2, B1,
A1, B0, A0 and (A<B) low.
f in respect to a system clock.
(A>B)
(A=B)
(A=B)
(A<B)
Figure 1. Dynamic Power Dissipation
20 ns
A3
B3
out
out
out
out
WORD
B =
WORD
A =
Signal Waveforms
B11
OUTPUTS
2f
1
A11
B10
A10
20 ns
B9
MC14585B
A9
B8
A8
B7
Figure 3. Cascading Comparators
V
V
V
V
V
V
V
V
V
V
DD
SS
DD
SS
OH
OL
OH
OL
OH
OL
A7
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B6
MC14585B
A6
B5
MC14585B
4
A5
B4
A4
(A<B)
B3
B3 A3 B2 A2 B1 A1 B0 A0
WORD B = B11, B10,
WORD A = A11, A10,
Inputs (A>B) and (A=B) high, and inputs B3, A3, B2,
A2, B1, A1, A0, and (A<B) low.
OUTPUT
Figure 2. Dynamic Signal Waveforms
A3
20 ns
B0
out
B2
t
PLH
t
TLH
A2
10%
50%
B1
MC14585B
90%
...
...
10%
, B0.
, A0.
A1
50%
90%
B0
A0
V
SS
INPUTS
t
PHL
V
t
DD
THL
V
SS
20 ns
V
V
V
V
DD
SS
OH
OL