SC91314

Silan Semiconductors TONE / PULSE DIALER WITH REDIAL FUNCTION DESCRIPTION SC91310 Series The SC91310 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The SC91310 series feature a redial memory. FEATURES *DTMF / Pulse switchable dialer *32 digits for redial memory *pulse-to-tone (P→T) keypad for long distance call operation *Break / Make ratio is selectable by pin option *Uses 4x4 keyboard *Easy operation with redial, flash, pause, and P→T keypads *Flash, pause, P→T (pulse-to tone) can be stored as a digit in memory *Minimum tone output duration:100ms *minimum intertone pause: 100ms *On-chip power-on reset *Uses 3.579545 MHz crystal or ceramic resonator *Packaged in 18-pin plastic DIP DIP-18 ORDERING INFORMATION (The different dialers in the SC91310 series are shown in the following table) Type No. SC91312/A SC91314/A SC91316 Pulse(pps) 10/20 10/20 10/20 Flash(ms) 600/300 73/100 600 Flash pause(ms) 600/300 140/100 600 Pause(s) 2.0 3.6 3.6 PIN CONFIGURATIONS C1 C2 C3 C4 B/M VSS XT XT T/P MUTE 1 2 3 4 5 6 7 8 9 SC91310 18 R4 17 R3 16 R2 15 R1 14 VDD 13 MODE 12 DTMF 11 DP 10 HKS HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 1 Silan Semiconductors BLOCK DIAGRAM XT SC91310 Series XT 7 HKS B/M MODE 8 10 5 13 15 16 17 18 1 2 3 4 D/A CONVERTER ROW&COLUMN PROGRAMMABLE COUNTER DATA LATCH& DECODER KEYBOARD INTERFACE READ/WRITE COUNTER CONTROL LOGIC PULSE CONTROL LOGIC SYSTEM CLOCK GENERATION R1 R2 R3 R4 C1 C2 C3 C4 9 11 T/P MUTE DP RAM LOCATION LATCH DTMF 12 ABSOLUTE MAXIMUM RATINGS Characteristic DC Supply Voltage Symbol VDD-VSS VIL Value -0.3~7.0 VSS-0.3 VDD+0.3 VSS-0.3 VDD+0.3 120 -20~+70 -55~+125 Unit V V V V V mW °C °C Input / Output Voltage VIH VOL VOH Power Dissipation Operating Temperature Storage Temperature PD Topr Tstg Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 2 Silan Semiconductors DC ELECTRICAL CHARACTERISTICS SC91310 Series Conditions Min 2.0 Tone ---& No key entry HKS =1, VDD=1.0V (Tamb=25~70°C, VDD~VSS=2.5V, fosc=3.58MHz, all outputs unloaded) Parameter Operating Voltage Operating Current Symbol VDD IOP Pulse Typ -0.3 0.15 --150 2 -30 ----300 -400 -- Max 5.5 0.5 0.3 15 0.2 170 3 -23 3.0 ------5.0 Unit V mA mA µA µA mVrms dB dB V mA mA mA kΩ µA µA kΩ HKS =0, No load, Standby Current Memory Retention Current DTMF Output Voltage Pre-emphasis DTMF Distortion DTMF OUTPUT DC Level TMF Output Sink Current DP Output Sink Current ISB IMR VTO -130 1 -1.0 0.2 0.5 0.5 -- Row group, RL=5kΩ Col/Row, VDD=2.0~5.5V THD VTDC ITL IPL IML RKH IKD IKS RL=5kΩ, VDD=2.0~5.5V RL=5kΩ, VDD=2.0~5.5V VTO=0.5V VPO=0.5V VMO=0.5V T/P MUTE Output Sink Current HKS I/P Pull-high Resistor Keypad Input Drive Current Keypad Input Sink Current Keypad Resistance VI=0V VI=2.5V 30 200 -- HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 3 Silan Semiconductors AC ELECTRICAL CHARACTERISTICS Parameter Keypad Active in Debounce Key Release Debounce Pre-digit Pause 1 SC91310 Series Conditions Min --B/M=1 B/M=0 B/M=1 B/M=0 10pps 20pps --------------------- Symbol TKID TKRD TPDP1 10pps 2 Typ 20 20 40 33.3 20 16.7 800 500 40:60 33:67 100 100 73 100 300 600 100 140 300 600 2.0 3.6 Max ----------------------- Unit mS mS mS Pre-digit Pause TPDP2 20pps TIDP mS Interdigit Pause (Auto dialing) mS Make / Break Ratio DTMF Output Duration Intertone Pause M/B TTD TITP B/M=1 B/M=0 Auto Dialing Auto Dialing SC91314 % mS mS Flash Break Time TFB SC91314A SC91312A SC91312 / SC91316 SC91314A mS Flash Pause Time TFP SC91314 SC91312A SC91312 / SC91316 mS Pause Time TP SC91312 SC91314A / SC91316 S Note: 1. Crystal parameters suggested for proper operation are RsT 8 DP B M TIDP TPDP B M TIDP T/P MUTE TP DTMF OSC. OSCILLATION Figure 4. Pulse-to-tone Function Timing Diagram HKS KEY IN F TKID 4 DP TFB TFP DTMF TTD TITP T/P MUTE OSC. OSCILLATION Figure 5. Flash Function Timing Diagram HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 10 Silan Semiconductors TYPICAL APPLICATION CIRCUIT D1~D4 IN4004 VR1 250V Ring 1A Bridge Off Hook On Hook D5 IN4148 R9 470K R7 1M C10 0.1 F Q3 9013 R8 300K R1 R5 10M SC91310 Series Tip R3 33K R4 33K Q2 A42 C1 100 F R6 3K D7 IN4148 D8 5V1 14 1 4 7 * 2 5 8 0 3 6 9 # F P-->T R/P 11 DP 10 HKS 12 DTMF 15 16 17 18 R1 R2 VDD MODE SC91310 SERIES R3 R4 C1 C2 C3 C4 B/M VSS XT XT T/P MUTE 1 2 3 4 5 6 7 8 X1 3.58MHz 9 R18 22K VDD Q7 9013 VDD C5 30pF C6 30pF HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 11 μ μ R10 10K Q4 C1815 C4 4 F R11 75K μ VDD 13 PULSE TONE SPEECH NETWORK Silan Semiconductors CHIP TOPOGRAPHY SC91310 Series Size: 1.19 x 1.65 mm2 PAD COORDINATES (Unit: µm) No. 1 2 3 4 5 6 7 8 9 Symbol P1 P2 P3 P4 P5 P6 P7 P8 P9 X -430.1 -430.9 -430.9 -382.0 -211.4 289.3 430.5 430.5 430.5 Y 152.7 -334.7 -504.7 -690.1 -688.9 -680.1 -509.7 -238.2 -68.2 No. 10 11 12 13 14 15 16 17 18 Symbol P10 P11 P12 P13 P14 P15 P16 P17 P18 X 430.5 430.5 430.5 160.1 -36.8 -211.5 -430.1 -430.1 -430.1 Y 101.8 349.8 556.6 655.6 661.7 611.3 672.7 502.7 327.7 Note: The original point of the coordinate is the die center. HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 12 Silan Semiconductors PACKAGE OUTLINE SC91310 Series UNIT: mm 2.54 DIP-18-300-2.54 0.25 6.40 1.52 +0.3 -0 23.12 0.3 7.62 15 Degree 0.5MIN 0.46 0.08 1.27MAX HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 13 3.00MIN 4.36MAX ± 0.25 0.05 ± ± ± Silan Semiconductors Attach Revision History Data 2001.11.13 2002.12.03 SC91310 Series REV 2.0 2.1 Description Modify the “TYPICAL APPLICATION CIRCUIT” Page 11 HANGZHOU SILAN MICROELECTRONICS CO.,LTD. Rev: 2.1 2002.12.03 14