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PDF IN5851 Data sheet ( Hoja de datos )
| Número de pieza | IN5851 | |
| Descripción | PULSE DIALER WITH REDIAL | |
| Fabricantes | Integral | |
| Logotipo |  |
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PULSE DIALER WITH REDIAL
TECHNICAL DATA
IN5851
The IN5851 is a monolithic CMOS integrated circuit which uses an
inexpensive RC oscillator for its frequency reference and provides all the
features required for implementing a pulse dialer with 32 digit redial.
• Wide operating voltage range (2.0~6.0V)
• Low power dissipation
• Use either a standard 2 of 7 matrix keyboard with negative true
common or the inexpensive form A-type keyboard
• Make/Break ratio can be selected
• Redial with * or #
• Continuous MUTE
• Power up clear circuitry on chip
• 10 pps/20 pps can be selected
ORDERING INFORMATION
IN5851N Plastic
TA = -20° to 70° C
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 1 = VCC
PIN 6 = GND
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IN5851
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC DC Supply Voltage (Referenced to GND)
VIN DC Input Voltage (Referenced to GND)
TA Operating Temperature
Min Max Unit
2.0 6.0 V
0 VCC V
-20 +70 °C
This device contains protection circuitry to guard against damage due to high static voltages or electric
fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated
voltages to this high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range
GND≤(VIN or VOUT)≤VCC.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC).
Unused outputs must be left open.
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND, VCC = 2.0 V to 6.0V,
TA = -20 to +70°C, FOSC=2.4KHz)
Guaranteed Limits
Symbol
Parameter
Test Conditions
Min Typ Max
Unit
VIH Input High Voltage
0.8VCC
VCC V
VIL Input Low Voltage
0
0.2VCC
V
VDR Minimum Memory
Retention Voltage
1.0 V
IOL Output Leakage Current VCC=6.0V ,
MUTE,PULSE=6.0V
1 µA
IOL1 Minimum Output current VO=0.8V,VCC=2.5V
______
(MUTE,PULSE)
0.5
mA
IOL2 Minimum Output current VO=0.8V,VCC=3.5V
______
(MUTE,PULSE)
1.7
mA
IOD Operating Current
ISD Maximum Standby
Current
All output under no load,
VCC=2.0V
VCC=2.5V
VIH=2.5V
150 µA
1 µA
IREF Minimum Reference
Current
VCC=6.0V
1
µA
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IN5851.PDF ] | |
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