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74HCT147N,652

P1-P3P4-P6P7-P7
December 1990 4
Philips Semiconductors Product specification
10-to-4 line priority encoder 74HC/HCT147
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
INPUTS OUTPUTS
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
Y
3
Y
2
Y
1
Y
0
HHHHHHHHHHHHH
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
X
X
L
H
X
L
H
H
L
H
H
H
L
L
H
H
H
H
L
L
H
H
L
L
L
H
L
H
X
X
X
X
X
X
X
L
X
X
L
H
X
L
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
H
H
H
L
L
L
H
L
H
LHHHHHHHHHHHL
Fig.4 Functional diagram.
December 1990 5
Philips Semiconductors Product specification
10-to-4 line priority encoder 74HC/HCT147
Fig.5 Logic diagram.
December 1990 6
Philips Semiconductors Product specification
10-to-4 line priority encoder 74HC/HCT147
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
A
n
to Y
n
50
18
14
160
32
27
200
40
34
240
48
41
ns
2.0
4.5
6.0
Fig.6
t
THL
/ t
TLH
output transition
time
19
7
6
75
15
6
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.6
P1-P3P4-P6P7-P7

74HCT147N,652

Mfr. #:
Buy 74HCT147N,652
Manufacturer:
NXP Semiconductors
Description:
IC 10-4 PRIORITY ENCODER 16-DIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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