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91214B Dataheets PDF



Part Number 91214B
Manufacturers IK Semiconductor
Logo IK Semiconductor
Description Tone/pulse Dialer
Datasheet 91214B Datasheet91214B Datasheet (PDF)

TECHNICAL DATA www.DataSheet4U.com Tone/Pulse Dialer with Handsfree Control and Flash Function IL91214A and IL91214B are tone/pulse dialers designed for providing standard DTMF or pulse signals. The ICs enable to: - generate standard DTMF or pulse signals of dialing as well as “flash” pulses; - store and redial last number; - generate pause in the transmitted package of dial signals; ICs are designed to be used in telephone sets. PIN DESCRIPTION HK MODE IN OSCI 01 02 16 15 R4 R3 R2 R1 C3 .

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TECHNICAL DATA www.DataSheet4U.com Tone/Pulse Dialer with Handsfree Control and Flash Function IL91214A and IL91214B are tone/pulse dialers designed for providing standard DTMF or pulse signals. The ICs enable to: - generate standard DTMF or pulse signals of dialing as well as “flash” pulses; - store and redial last number; - generate pause in the transmitted package of dial signals; ICs are designed to be used in telephone sets. PIN DESCRIPTION HK MODE IN OSCI 01 02 16 15 R4 R3 R2 R1 C3 C2 C1 DP Pin # A B Designation HK MODE IN Description Hook switch input MODE IN = VDD: pulse mode, 10 Hz, М/В = 1/2, MODE IN = VSS: tone mode, MODE IN = floating mode, 20 Hz, М/В = 1/2 Oscillator input Oscillator output Ground Supply output Tone dialing output Dialing transmission mute output Mode output pin Key-in tone output Dialing pulse output Keyboard column input Keyboard column input Keyboard column input Keyboard row input Keyboard row input Keyboard row input Keyboard row input 03 14 OSCO 04 Vss 05 Vdd TONE 1 2 1 2 IL91214A 13 12 11 10 09 06 07 08 XMIT MUTE HK MODE IN 01 02 18 17 16 R4 R3 R2 R1 C3 C2 C1 DP 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OSCI 03 OSCO 04 15 14 13 12 Vss 05 Vdd 06 TONE 07 XMIT MUTE 08 11 10 MODE OUT 09 KT 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 OSCI OSCO VSS VDD TONE XMIT MUTE MODE OUT KT DP C1 C2 C3 R1 R2 R3 R4 Fig. 1. Pin configuration in package IL91214B 1 IL91214 A, IL91214B www.DataSheet4U.com R1 KEYBOARD LOGIC R4 C1 C3 REDIAL MEMORY 32 DIGITS OUTPUT LOGIC DP KT XMIT MUTE MODE OUT VDD DTMF GENERATOR TONE MODE IN HK OSCI OSCO INPUT LOGIC CONTROL LOGIC OSC. Fig. 2. Block diagram. 2 IL91214 A, IL91214B www.DataSheet4U.com DC electrical characteristics Parameter Supply voltage, V Memory retention voltage, V Memory retention current, uА Operation current, мА Standby current, uА Input voltage, V Input current R1-R4, uА Tone out voltage, мV Sink current XMUTE, мА Sink current DP, мА Distortion, % (VDD = 3.5 V, VSS = 0 V, FOSC = 3.579 МHz, T = 25OC, unless otherwise specified) Symbol VDD VMR * IMR IDDP IDDT * ISO VIH VIL IR VOC VOR IOL1 IOL2 DIS % 584 456 0.9 1.1 0.8 VDD 0 115 730 570 5.3 5.3 1 5 876 684 Column Row VDD=3.5V RL=5К Min. 2.0 2.0 1 0.05 0.32 0.6 0.03 0.5 Typ Max. 5.5 5.5 0.4 1.0 2.0 0.05 10 VDD 0.2 VDD Condition Pulse mode Tone mode VDD = 1.0 V HK = VDD All outputs unloaded Pulse Tone All outputs unloaded. HK=VDD No key selected. НК=VSS VDD=1.5V VDD = 3.5 V VDD=3.5V, VOL=0.4V VDD=3.5V, VOL=0.4V * - in this mode IC functioning is not guaranteed. AC characteristics Parameter Make time, мs Break time, мs Inter-digit pause time, мs Pause time, s Auto-redial break time, s (VDD = 3.5 V, VSS = 0 V, FOSC = 3.579 МHz, T = 25OC, unless otherwise specified) Symbol TM ТВ TIDP TPAU TAOBK Min. Typ 33.3 16.7 66.6 33.3 824 458 2.2 2.2 Max. Condition Dialing speed, pps 10 M/B=1/2 20 10 20 10 pps 20 pps M/B=1/2 M/B=1/2 M/B=1/2 3 IL91214 A, IL91214B www.DataSheet4U.com Parameter Delay time key valid to signal out, мs Key-in debounce, мs Key-in tone duration, мs Key-in tone frequency, Hz Minimal tone duration time, мs Minimum tone inter-digit pause, мs Redial tone duration, мs Redial tone inter-digit duration, мs Symbol TD TKD TKTD FKT TMFD TTIDP TMFDR TTIDPR Min. Typ 0 21 23 437 94 96 94 96 Max. Condition Values of generated frequencies R/C Frequency 697 770 852 941 1.209 1.336 1.477 Error, % + 0.31 + 0.19 + 0.03 + 0.10 + 0.57 - 0.32 - 0.35 Unit Hz Hz Hz Hz Hz Hz Hz FOSC = 3.579 МHz Conditions R1 R2 R3 R4 С1 С2 С3 Absolute maximum ratings Parameter Absolute maximum value Supply voltage Input voltage Output voltage Output voltage (DP, XMIT MUTE). Tone output current Power dissipation Storage temperature VDD VIN VOUT VOUT ITONE PD TSTG ≤ 6.0V VSS-0.3V ~ VDD+0.3V VSS-0.3V ~ VDD+0.3V ≤1.2V ≤ 50 мА ≤ 500 мW -40ОС ~ +125ОС 4 IL91214 A, IL91214B www.DataSheet4U.com 1. Pulse dialing mode. HK Key input 2 TKD : debouncing time 21 мs КТ XMIT MUTE TD DP TM TM TKTD (23 мs), f = 437 Hz 1 3 TID TM 21 мs TB 2. Tone dialing mode. HK Key input 4 КТ XMIT MUTE TD 2.3 мs TONE TTID MODE OUT TKD 3 * 9 TMF 2.5 мs 2.3 мs 2.3 мs 3. Redialing. HK Key input RD КТ XMIT MUTE TD TMFD 2.5 мs TONE TTIDP MODE OUT 5 IL91214 A, IL91214B www.DataSheet4U.com 4. Switching mode operation (MODE IN control). HK Key input 2 MODE IN 3 */T 6 4 КТ DP TM MODE OUT TD XMIT MUTE TPA TONE TMF TID TID TM 5. Switching mode operation (*/T key entry). HK Key input 2 MODE IN 3 */T 6 4 КТ DP TM MODE OUT XMIT MUTE TD TID TPA TMF 2.5 мс TONE 2.5 мс TID TM 6 IL91214 A, IL91214B www.DataSheet4U.com 6. One key redial using RD key (DTMF mode for example). HK Key input 2 XMIT MUTE 3 RD DP TAOBK TD 2.5 мs TD 2.5 мs TONE MODE OUT 7. Flash dialing HK Key input F XMIT MUTE TFSH DP 6 4 3 MODE OUT TPAU TONE 2.5 мс 2.5 мs 7 IL91214 A, IL91214B www.DataSheet4U.com N SUFFIX PLASTIC DIP (MS - 001BB) A Dimension, mm 16 9 B 1 8 Symbol A B C MIN 18.67 6.1 MAX 19.69 7.1.


FQI5N60C 91214B IL91214B


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