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PDF MC14566B Data sheet ( Hoja de datos )
| Número de pieza | MC14566B | |
| Descripción | Industrial Time Base Generator | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Industrial Time Base Generator
The MC14566B industrial time base generator is constructed with MOS
P–channel and N–channel enhancement mode devices in a single
monolithic structure. This device consists of a divide–by–10 ripple counter
and a divide–by–5 or divide–by–6 ripple counter to permit stable time
generation from a 50 or 60 Hz line. By cascading this device as divide–by–60
counters, seconds and minutes can be counted and are available in BCD
format at the circuit outputs. An internal monostable multivibrator is included
whose output can be used as a reset or clock pulse providing additional
frequency flexibility. Also a pin has been included to allow divide–by–5
counting for generating 1.0 Hz from European 50 Hz line. Pin 11 = VDD will
cause ÷ 5.
• Negative Edge Triggered Counters for Ease of Cascading
• Pulse Shapers on Counter Inputs Accept Slow Input Rise Times
• Monostable Multivibrator Positive or Negative Edge Triggered
• Diode Protection on All Inputs
• Supply Voltage Range = 3.0 Vdc to 18 Vdc
• Capable of Driving Two Low–power TTL Loads or One Low–power
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎSchottky TTL Load Over the Rated Temperature Range
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS* (Voltages Referenced to VSS)
Symbol
Parameter
Value
Unit
VDD
Vin, Vout
Iin, Iout
DC Supply Voltage
Input or Output Voltage (DC or Transient)
Input or Output Current (DC or Transient),
per Pin
– 0.5 to + 18.0
– 0.5 to VDD + 0.5
± 10
V
V
mA
PD Power Dissipation, per Package†
500 mW
Tstg Storage Temperature
– 65 to + 150
_C
TL Lead Temperature (8–Second Soldering)
260 _C
* Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/_C From 65_C To 125_C
Ceramic “L” Packages: – 12 mW/_C From 100_C To 125_C
BLOCK DIAGRAM
CA 1 PULSE
÷ 10 SHAPER
RESET
÷ 5/÷ 6 CONTROL
2
11
CB 15 PULSE
÷ 5/÷ 6
SHAPER
Q0A
C Q1A
Q2A
R Q3A
3
4
5
6
BCD
OUT
R
Q0B
12
Q1B 13
C Q2B 14
BCD
OUT
B7
A9
REV 3
1/94
©MMOotoTrOolaR, IOncL. A199C5MOS LOGIC DATA
MONO–
STABLE
MULTI–
VIBRATOR
10 Qm
MC14566B
L SUFFIX
CERAMIC
CASE 620
P SUFFIX
PLASTIC
CASE 648
D SUFFIX
SOIC
CASE 751B
ORDERING INFORMATION
MC14XXXBCP
MC14XXXBCL
MC14XXXBD
Plastic
Ceramic
SOIC
TA = – 55° to 125°C for all packages.
PIN ASSIGNMENT
CA
RESET
Q0A
Q1A
Q2A
Q3A
B
VSS
1
2
3
4
5
6
7
8
16 VDD
15 CB
14 Q2B
13 Q1B
12 Q0B
B B11 5/ 6
10 Qm
9A
MC14566B
1
1 page  
CLOCK
RESET
Q0
Q1
Q2
Q3
CLOCK
RESET
CONTROL
÷ 5/÷ 6
Q0
Q1
Q2
TIMING DIAGRAM
Divide–By–10 Counter
0 1 2 34 5 6 7 8 9 01
Divide–By–5/Divide–By–6
0 1 2 34 5 0 1 2 3 40
A
B
Qm
= DON’T CARE
MOTOROLA CMOS LOGIC DATA
Monostable Multivibrator
MC14566B
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC14566B.PDF ] | |
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