UNISONIC TECHNOLOGIES CO., LTD U9131X Preliminary CMOS IC TONE/PULSE DIALER WITH REDIAL FUNCTION DESCRIPTION The UTC U9131X series are monolithic ICs that offer the dialing signals in either pulse or tone mode. The UTC U9131X series feature a redial memory. SOP-18 FEATURES * Uses 4×4 keyboard * Pulse-to-tone (P→T) keypad for long distance call operation * Easy operation with redial, flash, pause, and P→T keypads * 32 digits for redial memory * Flash, Pause, P→T (pulse-to-tone) can be stored as a digit in memory * Switchable dialing mode：DTMF/Pulse * Switchable beak/make ratio * Minimum tone output duration: 100mS * Minimum intertone pause: 100mS * On-chip power-on reset * Uses 3.579545MHz crystal or ceramic resonator ORDERING INFORMATION Ordering Number Lead Free Halogen Free U9131XL-S18-T U9131XG-S18-T U9131XL-S18-R U9131XG-S18-R U9131XAL-S18-T U9131XAG-S18-T U9131XAL-S18-R U9131XAG-S18-R U9131XAL-S18-T Packing SOP-18 SOP-18 SOP-18 SOP-18 Tube Tape Reel Tube Tape Reel (1) T: Tube, R: Tape Reel (1)Packing Type (2) S18: SOP-18 (2)Package Type (3) L: Lead Free, G: Halogen Free (3)Lead Free (4) refer to DIALER TYPE (4)Dialer Type Package DIALER TYPE The different dialers in the UTC U9131X series are shown in the following table: TYPE NO. PULSE (ppS) FLASH (mS) FLASH PAUSE (mS) PAUSE (S) U91312 U91314 U91316 U91312A U91314A 10/20 10/20 10/20 10/20 10/20 600 73 600 300 100 600 140 600 300 100 2.0 3.6 3.6 2.0 3.6 www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd 1 of 11 QW-R502-A34.a U9131X Preliminary PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME 1-4 & 15-18 Column-Row Inputs 5 B/M 7, 8 XT, XT 9 T/P MUTE 13 MODE 10 HKS 11 DP 12 DTMF 14, 6 VDD, VSS CMOS IC DESCRIPTION The keyboard input may be from either the standard 4×4 keyboard or an inexpensive single contact (from A) keyboard. Electronic input from a μC can also be used. A valid key entry is defined as a single row being connected to a single column. The break make ratio is 60:40 if B/M=1 and is 66.6:33.3 if B/M=0. This pin has no function in DTMF mode. A built-in inverter provides oscillation with an inexpensive 3.579545MHz crystal or ceramic resonator. The T/P MUTE is a conventional CMOS N-channel open drain output. The output transistor is switched on during pulse and tone mode dialing sequence and flash break. Otherwise, it is switched off. Pulling mode pin to VSS places the dialer in tone mode. Pulling mode pin to VDD places the dialer in pulse mode (10ppS). Leaving mode pin floating places the dialer in pulse mode (20ppS). Hook switch input. HKS=1: On-book state. Chip in sleeping mode, no operation. HKS=0: Off-book state. Chip enabled for normal operation. The HKS pin is pulled to VDD by an internal resistor. N-channel open drain dialing pulse output (Figure 1). Flash key will cause DP to go active in both pulse mode and tone mode. In pulse mode, remains in low state at all times. In tone mode, outputs a dual or single tone. Detailed timing diagram for tone mode is shown in Figure 2 (a, b). OUTPUT FREQUENCY Specified Actual Error % R1 697 699 +0.28 R2 770 766 -0.52 R3 852 848 -0.47 R4 941 948 +0.74 C1 1209 1216 +0.57 C2 1336 1332 -0.30 C3 1477 1472 -0.34 Power input pins. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC BLOCK DIAGRAM XT XT HKS SYSTEM CLOCK GENERATION B/M MODE READ/WRITE COUNTER ROW (R1 to R4) KEYBOARD INTERFACE RAM COLUMN (C1 to C4) DTMF CONTROL LOGIC PULSE CONTROL LOGIC T/P MUTE DP LOCATION LATCH D/A CONVERTER ROW & COLUMN PROGRAMMBLE COUNTER UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw DATALATCH & DECODER 3 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER DC Supply Voltage SYMBOL RATINGS UNIT VDD-VSS -0.3~+7.0 V VIL VSS-0.3 V VIH VDD+0.3 V Input/Output Voltage VOL VSS-0.3 V VOH VDD+0.3 V Power Dissipation PD 120 mW Operating Temperature TOPR -20~+70 °C Storage Temperature TSTG -55~+125 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. DC CHARACTERISTICS (VDD-VSS=2.5V, FOSC.=3.58MHz, TA=25°C, all outputs unloaded) PARAMETER Operating Voltage SYMBOL VDD Operating Current IOP Standby Current Memory Retention Current DTMF Output Voltage Pre-emphasis DTMF Distortion DTMF Output DC Level DTMF Output Sink Current DP Output Sink Current T/P MUTE Output Sink Current HKS I/P Pull-high Resistor Keypad Input Drive Current Keypad Input Sink Current Keypad Resistance ISB IMR VTO THD VTDC ITL IPL IML RKH IKD IKS TEST CONDITIONS Tone Pulse HKS=0, No load, & No key entry HKS=1, VDD=1.0V Row group, RL=5KΩ Col/Row, VDD=2.0~5.5V RL=5KΩ, VDD=2.0~5.5V RL=5KΩ, VDD=2.0~5.5V VTO=0.5V VPO=0.5V VMO=0.5V TYP 0.3 0.15 130 1 150 2 -30 1.0 0.2 0.5 0.5 300 VI=0V VI=2.5V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 2.0 30 200 400 MAX UNIT 5.5 V 0.5 mA 0.3 mA 15 μA 0.2 μA 170 mVrms 3 dB -23 dB 3.0 V mA mA mA KΩ μA μA 5.0 KΩ 4 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC AC CHARACTERISTICS PARAMETER Keypad Active in Debounce Key Release Debounce SYMBOL TKID TKRD TPDP1 10ppS TPDP2 20ppS TEST CONDITIONS TYP MAX UNIT 20 mS 20 mS B/M=1 40 mS Pre-digit Pause (Note 1) B/M=0 33.3 B/M=1 20 mS Pre-digit Pause (Note 2) B/M=0 16.7 10ppS 800 Interdigit Pause (Auto dialing) TIDP mS 20ppS 500 B/M=1 40:60 Make/Break Ratio M/B % B/M=0 33:67 DTMF Output Duration TTD Auto Dialing 100 mS Intertone Pause TITP Auto Dialing 100 mS U91314 73 U91314A 100 Flash Break Time TFB mS U91312A 300 U91312/U91316 600 U91314A 100 U91314 140 Flash Pause Time TFP mS U91312A 300 U91312/U91316 600 U91312 2.0 Pause Time TP S U91314/A/U91316 3.6 Notes: 1. Crystal parameters suggested for proper operation are Rs<100Ω, Lm=96mH, Cm=0.02pF, Cn=5pF, CI=18pF, FOSC=3.579545MHz ± 0.02%. 2. Crystal oscillator accuracy directly affects these times. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 5 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC FUNCTIONAL DESCRIPTION Keyboard Operation C1 1 4 7 * R1 R2 R3 R4 C2 2 5 8 0 C3 3 6 9 # C4 F P→T R/P * R/P：Redial and pause function key * F：Flash key * P→T：Pulse mode to tone mode Normal Dialin 1 OFF HOOK , D1 , D2 ,…, Dn 1. D1, D2, … , Dn will be dialed out. 2. Dialing length is unlimited, but redial is inhibited if length oversteps 32 digits. Redialing 1 OFF HOOK , The RP function. D1 , D2 ,…, Dn BUSY, COME ON HOOK , OFF HOOK , R/P Key can execute redial function only as the first key-in after off-hook; otherwise, it will execute pause Access Pause 1 OFF HOOK , D1 , D2 ,…, R/P , D3 ,…, Dn 1. The pause function can be stored in memory. 2. The pause function is executed in normal dialing or memory dialing. 3. The pause function timing diagram is shown in Figure 3. Pulse-To-Tone (P→T) 1 OFF HOOK , D1 , D2 ,…, Dn , R→T , D1’ , D2’ ,…, Dn’ 1. If the mode switch is set to pulse mode, then the output signal will be: D1, D2, …, Dn, Pause, D1’, D2’, …, Dn’ (Pulse) (Tone) 2. If the mode switch is set to tone mode, then the output signal will be: D1, D2, …, Dn, P→T D1’, D2’, …, Dn’ (Pulse) (Pause) (Tone) 3. The dialer remains in tone mode when the digits have been dialed out and can be reset to pulse mode only by going on-hook. 4. The P→T function timing diagram is shown in Figure 4. Flash 1 OFF HOOK , F 1. Flash key can be stored as a digit in memory. 2. The system will return to the initial state after the break time is finished. 3. The flash function timing diagram is shown in Figure 5. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC TIMING WAVEFORMS HKS 2 2 4 KEY IN TKID M B DP TIDP TPDP TIDP TIDP T/P MUTE DTMF LOW OSC. OSCILLATION OSCILLATION NORMAL DIALING Fig 1 (a). Pulse Mode Timing Diagram Fig. 1 (b). Pulse Mode Timing Diagram UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC TIMING WAVEFORMS(Cont.) Fig. 2 (a). Tone Mode Timing Diagram Fig. 2 (b). Tone Mode Auto Dialing Timing Diagram UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC TIMING WAVEFORMS(Cont.) Fig. 3 Pulse Function Timing Diagram Fig. 4 Pulse-to-tone Function Timing Diagram UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC TIMING WAVEFORMS(Cont.) HKS KEY IN 4 F TKID DP TFB TFP TTD DTMF TITP T/P MUTE OSCILLATION OSC. Fig. 5 Flash Function Timing Diagram UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10 of 11 QW-R502-A34.a U9131X Preliminary CMOS IC TYPICAL APPLICATION CIRCUIT TIP R5 10M D1-D4 1N4004 - VR1 250V Q1 A94 + R3 33K RING ON HOOK OFF HOOK D5 R4 3K3 R6 3K D7 1N4148 R1 1N4148 Q2 A42 200K C1 100µF D8 5V1 SPEECH NETWORK R9 470K R10 10K R7 1M R8 300K Q3 9013 C4 4µ7 C10 0.1µF Q4 C1815 R11 75 VDD PULSE TONE R4 R3 R2 R1 VDD MODE DP DTMF HKS 1 2 3 4 5 6 F 7 8 9 P T * 0 # R/P UTC U91310 SERIES VDD C1 C2 C3 C4 B/M VSS XT XT T/P MUTE R18 22K X1 C5 30P VDD 3.58MHz C6 30P Q7 9013 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 11 of 11 QW-R502-A34.a