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Motorola Electronic Components Datasheet

MC14490 Datasheet

Hex Contact Bounce Eliminator

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MC14490
Hex Contact Bounce Eliminator
The MC14490 is constructed with complementary MOS enhancement
mode devices, and is used for the elimination of extraneous level changes
that result when interfacing with mechanical contacts. The digital contact
bounce eliminator circuit takes an input signal from a bouncing contact and
generates a clean digital signal four clock periods after the input has
stabilized. The bounce eliminator circuit will remove bounce on both the
“make” and the “break” of a contact closure. The clock for operation of the
MC14490 is derived from an internal R–C oscillator which requires only an
external capacitor to adjust for the desired operating frequency (bounce
delay). The clock may also be driven from an external clock source or the
oscillator of another MC14490 (see Figure 5).
NOTE: Immediately after power–up, the outputs of the MC14490 are in
indeterminate states.
Diode Protection on All Inputs
Six Debouncers Per Package
Internal Pullups on All Data Inputs
Can Be Used as a Digital Integrator, System Synchronizer, or Delay
Line
Internal Oscillator (R–C), or External Clock Source
TTL Compatible Data Inputs/Outputs
Single Line Input, Debounces Both “Make” and “Break” Contacts
Does Not Require “Form C” (Single Pole Double Throw) Input Signal
Cascadable for Longer Time Delays
Schmitt Trigger on Clock Input (Pin 7)
Supply Voltage Range = 3.0 V to 18 V
Chip Complexity: 546 FETs or 136.5 Equivalent Gates
L SUFFIX
CERAMIC
CASE 620
P SUFFIX
PLASTIC
CASE 648
DW SUFFIX
SOIC
CASE 751G
ORDERING INFORMATION
MC14490P
MC14490L
MC14490DW
Plastic
Ceramic
SOIC
TA = – 55° to 125°C for all packages.
Ain 1
OSCin 7
OSCout 9
Bin 14
Cin 3
Din 12
Ein 5
Fin 10
+VDD
OSCILLATOR
AND
TWO–PHASE
CLOCK GENERATOR
BLOCK DIAGRAM
DATA
4–BIT STATIC SHIFT REGISTER
SHIFT LOAD
φ1
φ2
IDENTICAL TO ABOVE STAGE
IDENTICAL TO ABOVE STAGE
IDENTICAL TO ABOVE STAGE
IDENTICAL TO ABOVE STAGE
IDENTICAL TO ABOVE STAGE
φ1 φ2
φ1 φ2
φ1 φ2
φ1 φ2
φ1 φ2
φ1 φ2
1/2–BIT
DELAY
φ1 φ2
15 Aout
VDD = PIN 16
VSS = PIN 8
2 Bout
13 Cout
4 Dout
11 Eout
6 Fout
REV 3
1/94
©MMOotoTrOolaR, IOncL. A199C5MOS LOGIC DATA
MC14490
297


Motorola Electronic Components Datasheet

MC14490 Datasheet

Hex Contact Bounce Eliminator

No Preview Available !

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS* (VoltagesReferenced to VSS)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎSymbol
Parameter
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVDD DC Supply Voltage
– 0.5 to + 18.0
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin, Vout Input or Output Voltage (DC or Transient) – 0.5 to VDD + 0.5 V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎIin Input Current (DC or Transient), per Pin
± 10 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPD Power Dissipation, per Package†
500 mW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎTstg Storage Temperature
– 65 to + 150
_C
TL Lead Temperature (8–Second Soldering)
260 _C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ* Maximum Ratings are those values beyond which damage to the device may occur.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎΆTemperature Derating:
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPlastic “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
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎCharacteristic
VDD
Symbol Vdc
– 55_C
Min Max
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin = VDD or 0
“0” Level VOL
5.0
0.05
10 — 0.05
15 — 0.05
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin = 0 or VDD
“1” Level VOH
5.0 4.95
10 9.95
15 14.95
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Voltage
“0” Level VIL
(VO = 4.5 or 0.5 Vdc)
5.0 — 1.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 9.0 or 1.0 Vdc)
10 — 3.0
(VO = 13.5 or 1.5 Vdc)
15 — 4.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 0.5 or 4.5 Vdc) “1 Level” VIH 5.0 3.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 1.0 or 9.0 Vdc)
10 7.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 1.5 or 13.5 Vdc)
15 11
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Drive Current
Oscillator Output
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 2.5 V)
(VOH = 4.6 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 9.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 13.5 V)
Source
IOH
5.0 – 0.6
5.0 – 0.12
10 – 0.23
15 – 1.4
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDebounce Outputs
(VOH = 2.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 4.6 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 9.5 V)
(VOH = 13.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOscillator Output
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 0.4 V)
(VOL = 0.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 1.5 V)
Sink IOL
5.0 – 0.9
5.0 – 0.19
10 – 0.6
15 1.8
5.0 0.36
10 0.9
15 4.2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDebounce Outputs
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 0.4 V)
(VOL = 0.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 1.5 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Current
Debounce Inputs (Vin = VDD)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Current Oscillator — Pin 7
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(Vin = VSS or VDD)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPullup Resistor Source Current
Debounce Inputs
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(Vin = VSS)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Capacitance
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎQuiescent Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(Vin = VSS or VDD, Iout = 0 µA)
IIH
Iin
IIL
Cin
ISS
5.0 2.6
10 4.0
15 12
15 — 2.0
15 — ± 620
5.0 175 375
10 340 740
15 505 1100
—— —
5.0 — 150
10 — 280
15 — 840
Min
4.95
9.95
14.95
3.5
7.0
11
– 0.5
– 0.1
– 0.2
– 1.2
– 0.75
– 0.16
– 0.5
– 1.5
0.3
0.75
3.5
2.2
3.3
10
140
280
415
25_C
Typ #
0
0
0
5.0
10
15
2.25
4.50
6.75
2.75
5.50
8.25
– 1.5
– 0.3
– 0.8
– 3.0
– 2.2
– 0.46
– 1.2
– 4.5
0.9
2.3
10
4.0
9.0
35
0.2
± 255
190
380
570
5.0
40
90
225
PIN ASSIGNMENT
Ain
Bout
Cin
Dout
Ein
Fout
OSCin
VSS
1
2
3
4
5
6
7
8
16 VDD
15 Aout
14 Bin
13 Cout
12 Din
11 Eout
10 Fin
9 OSCout
125_C
Max Min Max Unit
0.05 — 0.05 Vdc
0.05 — 0.05
0.05 — 0.05
— 4.95 — Vdc
— 9.95 —
— 14.95 —
Vdc
1.5 — 1.5
3.0 — 3.0
4.0 — 4.0
— 3.5 — Vdc
— 7.0 —
— 11 —
mAdc
— – 0.4 —
— – 0.08 —
— – 0.16 —
— – 1.0 —
— – 0.6 —
— – 0.12 —
— – 0.4 —
— – 1.2 —
mAdc
— 0.24 —
— 0.6 —
— 2.8 —
— 1.8 —
— 2.7 —
— 8.1 —
2.0 — 11 µAdc
± 400 — ± 250 µAdc
255 70 225 µAdc
500 145 440
750 215 660
7.5 —
— pF
100 —
90 µAdc
225 — 180
650 — 550
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
MC14490
298
MOTOROLA CMOS LOGIC DATA


Part Number MC14490
Description Hex Contact Bounce Eliminator
Maker Motorola
PDF Download

MC14490 Datasheet PDF






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