MC14556BDR2 ON Semiconductor, MC14556BDR2 Datasheet - Page 3

IC DCODER/DEMUX DUAL 1:4 16-SOIC

MC14556BDR2

Manufacturer Part Number
MC14556BDR2
Description
IC DCODER/DEMUX DUAL 1:4 16-SOIC
Manufacturer
ON Semiconductor
Series
4000Br
Type
Decoder/Demultiplexerr
Datasheet

Specifications of MC14556BDR2

Circuit
1 x 2:4
Independent Circuits
1
Voltage Supply Source
Dual Supply
Voltage - Supply
3 V ~ 18 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Output High, Low
-
Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
5. The formulas given are for the typical characteristics only at 25°C.
6. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
SWITCHING CHARACTERISTICS
Output Rise and Fall Time
Propagation Delay Time − A, B to Output
Propagation Delay Time − E to Output
Figure 1. Dynamic Power Dissipation Signal Waveforms
t
t
t
t
t
t
t
t
t
(50% DUTY CYCLE)
(50% DUTY CYCLE)
TLH
TLH
TLH
PLH
PLH
PLH
PLH
PLH
PLH
All 8 outputs connect to respective C
f in respect to a system clock.
OUTPUT Q1
, t
, t
, t
, t
, t
, t
, t
, t
, t
A INPUTS
B INPUTS
THL
THL
THL
PHL
PHL
PHL
PHL
PHL
PHL
= (1.5 ns/pF) C
= (0.75 ns/pF) C
= (0.55 ns/pF) C
= (1.7 ns/pF) C
= (0.66 ns/pF) C
= (0.5 ns/pF) C
= (1.7 ns/pF) C
= (0.66 ns/pF) C
= (0.5 ns/pF) C
20 ns
Characteristic
INPUT E LOW
A
B
E
*Eliminated for MC14555B
L
L
L
L
L
L
L
L
L
+ 25 ns
+ 135 ns
+ 45 ns
+ 115 ns
+ 40 ns
2f
1
+ 12.5 ns
+ 9.5 ns
+ 62 ns
+ 52 ns
(Note 5) (C
20 ns
L
loads.
10%
50%
90%
MC14555B, MC14556B
L
= 50 pF, T
http://onsemi.com
LOGIC DIAGRAM
Symbol
(1/2 of Dual)
t
t
t
t
t
t
TLH
PLH
PLH
A
THL
PHL
PHL
= 25°C)
V
V
V
V
V
V
DD
SS
DD
SS
OH
OL
,
,
,
3
V
5.0
5.0
5.0
10
15
10
15
10
15
DD
OUTPUT Q3
OUTPUT Q3
MC14556B
MC14555B
Figure 2. Dynamic Signal Waveforms
INPUT B
20 ns
Min
t
PHL
t
PLH
t
THL
*
*
*
*
t
TLH
INPUT A HIGH, INPUT E LOW
(Note 6)
90%
50%
10%
Q0
Q1
Q2
Q3
Typ
100
220
200
50
40
95
70
85
65
90%
50%
10%
90%
50%
10%
Max
200
100
440
190
140
400
170
130
80
20 ns
t
PLH
t
PHL
t
TLH
t
THL
Unit
V
V
V
V
V
V
ns
ns
ns
SS
DD
OH
OL
OH
OL

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