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电信集成电路

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指定 Pin to Pin Compatibility Function Features Package Pins (Pads)
IL34118N MC34118 Voice Switched Speakerphone Circuit
Ucс=3.0...6.5 V
 Icc=5.0 mA
Improved Attenuator Gain Range: 52 dB Between Transmit and Receive
 Low Voltage Operation for Line-Powered Applications (3.0-6.5 V)
 4-Point Signal Sensing for Improved Sensitivity
 Background Noise Monitors for Both Transmit and Receive Paths
 Microphone Amplifier Gain Set by External Resistors – Mute Function Included
 Chip Disable for Active/Standby Operation
 On Board Filter Pinned-Out for User Defined Function
 Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence
 Standard 28-Pin Plastic Dip Package and SOIC Package Available
Compatible with IL34119 Speaker Amplifier
DIP-28  
IZ1961 DS1961 Secret controller IC for private key access systems 64 bit EEPROM
512 bit SHA block
64 bit scratch-pad
Security code memory: 64 bit
Data EEPROM: 1024 bit
CRC16 generation
  2
IZ2822 MF0ICU11     Read / write transponder mifare IC  at 13.56 MHz

 
For non-contact plastic card
    ISO14443А Standard
    Carrier operating frequency: 13.56 MHz
    Сres=50 pF
    EEPROM capacity: 512 bit, organized in 16 pages with 4 bit each
    Exchange rate: 106 kb / s
    Guaranteed data retention: 10 years
  4
IL9200N HM9200 DTMF generators
Vcc=2.5…5.5 V
Low standby current
Low total distortion 3.58 MHz crystal or ceramic resonator
DIP-8  
ILA1062AN TEA1062A Low Voltage Transmission Circuit with Dialer Interface
Low DC line voltage; operates down to 1.6 V
 Line operation current range 10…140 mA
 Icc £ 1.35 mA
 Voltage gain range:
   microphone amplifier   11…52 dB
   telephone amplifier      20…31 dB
 Voltage regulator with adjustable static resistance
 Provides supply for external circuits
 Symmetrical high-impedance inputs
 (64 kW) for dynamic, magnetic or piezoelectric microphones
 Asymmetrical high-impedance inputs (32 kW) for electret microphones
 DTMF signal input with confidence tone
¨ Mute input for pulse or DTMF dialing
 Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
Large gain setting range on microphone and earpiece amplifiers
DIP-16  
IL2533DW AS2533 Multi-Standart CMOS Single Chip Telephone IC with Dual Soft Clipping
Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip
Operating range from 13 to 100 mA (down to 5mA with reduced performance)
Soft clipping to avoid harsh distortion
Volume control of receive signal
Line loss compensation selectable by pin option
Low noise (max. - 72 dBmp)
Real or complex impedance
NET 4 compatible.
LD/MF switchable dialling
Pacifier tone during programming
31 digit last number redial
Sliding cursor protocol with comparison
Pause key for access pause or wait function
3 flash keys, 100 ms, 280 ms and 375/600 ms
On chip MF filter (CEPT CS 203 compatible)
Ring frequency discrimination
3-tone melody generator
Oscillator Frequency (Resonator: Murata CSA 3.58MG312AM)-3.58MHz
4х4…4х8 Keyboard
SO-28  
IL2533N AS2533 Multi-Standart CMOS Single Chip Telephone IC with Dual Soft Clipping
Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip
Operating range from 13 to 100 mA (down to 5mA with reduced performance)
Soft clipping to avoid harsh distortion
Volume control of receive signal
Line loss compensation selectable by pin option
Low noise (max. - 72 dBmp)
Real or complex impedance
NET 4 compatible.
LD/MF switchable dialling
Pacifier tone during programming
31 digit last number redial
Sliding cursor protocol with comparison
Pause key for access pause or wait function
3 flash keys, 100 ms, 280 ms and 375/600 ms
On chip MF filter (CEPT CS 203 compatible)
Ring frequency discrimination
3-tone melody generator
Oscillator Frequency (Resonator: Murata CSA 3.58MG312AM)-3.58MHz
4х4…4х8 Keyboard
DIP-28  
IZ1990 DS1990A 1-Wire interface electronic key IC


Power supply: 2.8 – 6.0 V




Unique 64 bite code


  2