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PDF IL5851 Data sheet ( Hoja de datos )
| Número de pieza | IL5851 | |
| Descripción | Pulse Dialer with Redial | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IL5851 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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TECHNICAL DATA
PULSE DIALER WITH REDIAL
IL5851
The IL5851 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
IL5851N Plastic
TA = -20° to 70° C
PIN ASSIGNMENT
LOGIC DIAGRAM
www.DataSheet4U.com
PIN 1 = VCC
PIN 6 = GND
1
1 page  
IL5851
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
All output under no load,
VCC=2.0V
150 µA
ISD Maximum Standby
Current
VCC=2.5V
VIH=2.5V
1 µA
IREF Minimum Reference
Current
VCC=6.0V
1
µA
AC ELECTRICAL CHARACTERISTICS (FOSC= 2.4 KHz, VCC=2.0 to 6.0 V, TA=-20 to +70°C )
Symbol Parameter
TKD Minimum Valid
Key Entry Time
TOH On Hook Time
Required to
Clear Memory
(Figure 2)
TIDR Inter Digital
Pause (Figure 2)
∆f Frequency
Sability
TMO Recovery Time,
MUTE to
PULSE
(Figure 2)
TPDP Maximum Pre-
digital Pause
(Figure 2)
TDP Maximum Delay
Time, Key Input
to PULSE
(Figure 2)
M/B Make/Break
Ratio
Test Conditions
Guaranteed Limit
Min. Typ.
Max
20
300
800
±10
800
30
50
1/2
2/3
Unit
mS
mS
mS
%
mS
mS
mS
M/B=VCC
M/B=GND
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IL5851.PDF ] | |
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