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PDF IN74HC163A Data sheet ( Hoja de datos )

Número de pieza IN74HC163A
Descripción 4-Bit Synchronous Binary Counter / Sychronous Reset
Fabricantes IK Semiconductor 
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TECHNICAL DATA
Presettable Counters
High-Performance Silicon-Gate CMOS
IN74HC163A
The IN74HC163A is identical in pinout to the LS/ALS163. The
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The IN74HC163A is programmable 4-bit synchronous counter that
feature parallel Load, synchronous Reset, a Carry Output for cascading
and count-enable controls.
The IN74HC163A is binary counter with synchronous Reset.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
LOGIC DIAGRAM
ORDERING INFORMATION
IN74HC163AN Plastic
IN74HC163AD SOIC
TA = -55° to 125° C for all packages
PIN ASSIGNMENT
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Reset Load Enable Enable Clock Q0 Q1 Q2 Q3
PT
Function
LX
X
X
L L L L Reset to “0”
HL
X
X
P0
mH H
X
L
.coH H
L
X
uH H
H
H
t4X X
X
X
eeX=don’t care
h P0,P1,P2,P3 = logic level of Data inputs
www.datas Ripple Carry Out = Enable T Q0 Q1 Q2 Q3
P1 P2
No change
No change
Count up
No change
P3
Preset Data
No count
No count
Count
No count
1

1 page




IN74HC163A pdf
IN74HC163A
TIMING REQUIREMENTS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
VCC
V
tsu Minimum Setup Time, Preset Data Inputs to
Clock (Figure 4)
2.0
4.5
6.0
tsu Minimum Setup Time, Load to Clock
(Figure 4)
2.0
4.5
6.0
tsu Minimum Setup Time, Reset to Clock
(Figure 3)
2.0
4.5
6.0
tsu Minimum Setup Time, Enable T or Enable P to 2.0
Clock (Figure 5)
4.5
6.0
th Minimum Hold Time, Clock to Load or Preset 2.0
Data Inputs (Figure 4)
4.5
6.0
th Minimum Hold Time, Clock to Reset
(Figure 3)
2.0
4.5
6.0
th Minimum Hold Time, Clock to Enable T or
Enable P (Figure 5)
2.0
4.5
6.0
trec Minimum Recovery Time, Load Inactive to Clock 2.0
(Figure 4)
4.5
6.0
tw Minimum Pulse Width, Clock (Figure 1)
2.0
4.5
6.0
tw Minimum Pulse Width, Reset (Figure 3)
2.0
4.5
6.0
tr, tf Maximum Input Rise and Fall Times
(Figure 1)
2.0
4.5
6.0
Guaranteed Limit
25 °C
to
-55°C
85°C 125°C
40 60 80
15 20 30
12 18 20
60 75 90
15 20 30
12 18 20
60 75 90
20 25 35
17 23 25
80 95 110
20 25 35
17 23 25
333
333
333
333
333
333
333
333
333
80 95 110
15 20 26
12 17 23
60 75 90
12 15 18
10 13 15
60 75 90
12 15 18
10 13 15
1000
500
400
1000
500
400
1000
500
400
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5

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