INTEGRATED CIRCUITS DATA SHEET PCD3360 Programmable multi-tone telephone ringer Product specification Supersedes data of August 1985 File under Integrated Circuits, IC03 1997 Jan 15 Philips Semiconductors Product specification Programmable multi-tone telephone ringer CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION 6 PINNING INFORMATION 6.1 6.2 Pinning Pin description 7 FUNCTIONAL DESCRIPTION 7.1 7.2 7.3 7.4 7.5 7.10 Supply pins (VDD and VSS) Oscillator (OSC) Selection pin input circuit) Frequency discriminator circuit (FDE and FDI) Selection of frequency discriminator limits (FL and FH) Selection of tone sequences (TS1 and TS2) Selection of repetition rates (RR1 and RR2) Drive mode selection (DM) Loudspeaker mode PXE mode Setting of impedance, sound pressure level and automatic swell (IS1 and IS2) Optical output (OPT) 8 LIMITING VALUES 9 HANDLING 10 DC CHARACTERISTICS 11 AC CHARACTERISTICS 12 APPLICATION INFORMATION 13 PACKAGE OUTLINES 14 SOLDERING 14.1 14.2 14.2.1 14.2.2 14.3 14.3.1 14.3.2 14.3.3 Introduction DIP Soldering by dipping or by wave Repairing soldered joints SO Reflow soldering Wave soldering Repairing soldered joints 16 LIFE SUPPORT APPLICATIONS 7.6 7.7 7.8 7.8.1 7.8.2 7.9 1997 Jan 15 2 PCD3360 Philips Semiconductors Product specification Programmable multi-tone telephone ringer 1 FEATURES 2 • Output signals for electro-dynamic transducer (loudspeaker) or for piezo-electric transducer (PXE) PCD3360 GENERAL DESCRIPTION The PCD3360 is a CMOS integrated circuit, designed to replace the electro-mechanical bell in telephone sets. It meets most postal requirements, with selectivity of output tone sequences and input ringer frequencies. Output signals for a loudspeaker or for a piezo-electric (PXE) transducer are provided. No audio transformer is required since the loudspeaker is driven in class D. • 7 basic output frequencies (tones) and a pause • 4 selectable tone sequences • 4 selectable repetition rates • 3 selectable impedance settings • 3-step automatic swell • Delta-modulated output signal that approximates a sinewave • Input ringing frequency discriminator with selectable upper and lower frequency limits • Output for optical signal • Customized tone sequences, impedance settings and automatic swell levels are mask programmable. 3 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS VALUE UNIT fTONE available frequencies (tones) 553, 600, 667, 800, 1000, 1067, 1333 nint number of intervals per tone sequence 15 or 16 fLL lower limits of frequency discriminator 13.33 or 20 Hz fUL upper limits of frequency discriminator 30 or 60 Hz Zset impedance settings with 50 Ω loudspeaker ≈7, ≈10.5 or ≈17.5 kΩ td(on) switch-on delay ringer frequency = 25 Hz 60 (maximum) ms 4 Hz ORDERING INFORMATION PACKAGE TYPE NUMBER NAME PCD3360P DIP16 plastic dual in-line package; 16 leads (300 mil) SOT38-4 PCD3360T SO16 plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 1997 Jan 15 DESCRIPTION 3 VERSION Philips Semiconductors Product specification Programmable multi-tone telephone ringer 5 PCD3360 BLOCK DIAGRAM handbook, full pagewidth 4 OSC fclk = 32 kHz OSCILLATOR (64 kHz) (tone pattern) (32 kHz pulses) OUTPUT CIRCUIT TONE GENERATION 6 TONE 7 TONE SEQUENCE GENERATION OPT PCD3360 TIMING 5 11 VDD VSS 10 IS1 9 IS2 1 ENABLE CIRCUIT DUTY CYCLE CONTROL 3 2 13 12 RR1 RR2 TS1 TS2 8 14 15 DM FDI FL FDE 16 MGD710 FH Fig.1 Block diagram. 6 6.1 PINNING INFORMATION 6.2 Pinning Pin description Table 1 Pin description, PCD3360 SYMBOL FDE PIN TYPE 1 I frequency discriminator enable 2, 3 I repetition rate selection handbook, halfpage FDE 1 16 FH RR2 2 15 FL RR1 3 14 FDI OSC 4 13 TS1 PCD3360P PCD3360T RR2, RR1 OSC 4 I oscillator VDD 5 P positive supply TONE 6 O tone output 12 TS2 OPT 7 O optical signal output 11 VSS DM 8 I drive mode selection OPT 7 10 IS1 IS2, IS1 9, 10 I DM 8 9 IS2 impedance setting and automatic swell VDD 5 TONE 6 VSS MGD708 TS2, TS1 FDI FL, FH Fig.2 Pin configuration. 1997 Jan 15 DESCRIPTION 4 11 P ground 12, 13 I tone sequence selection 14 I frequency discriminator input 15, 16 I lower and upper frequency limit selection Philips Semiconductors Product specification Programmable multi-tone telephone ringer 7 7.1 FUNCTIONAL DESCRIPTION (see Fig.1) 7.4 The circuit is enabled or disabled by input FDE. When FDE is LOW and VDD > Vstb, the circuit is enabled and FDI acts as the input for ringing frequency detection. When FDE is HIGH, the circuit is disabled and FDI becomes the enable/disable input for tone sequence generation. Oscillator (OSC) When the circuit is enabled, it starts to produce output ringing tones after one cycle of an appropriate input frequency is detected at FDI. An input cycle is detected when either 2 rising or 2 falling edges are received, and this implies a delay of between 1 and 1.5 input cycles before output ringing begins. The allowed input frequency range is set by the states of pins FL and FH, as shown in Table 2. Output ringing continues for as long as valid input ringing frequency is detected. The 64 kHz oscillator is operated via an external resistor and capacitor connected to pin OSC (see Fig.8). The oscillator signal is divided by two to provide the 32 kHz internal system clock. 7.3 Selection pin input circuit (see Fig.3) Pins FDE, RR1, RR2, DM, IS1, IS2, TS1, TS2, FL and FH are pulled down internally by a pull-down current IIH when they are connected to VDD and by a pull-down resistance RIL when they are connected to VSS. Thus when the pins are open-circuit they are defined LOW. Therefore only a single-contact switch is required to connect the pins to VDD; yet the supply current is only marginally increased as IIH is very small. selection pins FDE RR1 RR2 DM IS1 IS2 TS1 TS2 FL FH FDI has a Schmitt-trigger action; the levels are set by an external resistor R2 (see Fig.8) and an internal sink current that is switched from 20 µA (typ.) for FDI = LOW to <0.1 µA for FDI = HIGH. Excess current entering FDI via R2 is absorbed by internal diodes clamped to VDD and VSS. 7.5 Selection of frequency discriminator limits (FL and FH) With the frequency discriminator enabled (VDD > Vstb and FDE = LOW) the lower and upper limits of the input frequency are set by the inputs FL and FH as shown by Table 2. Table 2 Selection of lower and upper frequency discriminator limits (fOSC = 64 kHz) (1) IIH PCD3360 VSS MGD709 (1) Transistor resistance is RIL when switched on. Fig.3 Input circuit of selection pins. 1997 Jan 15 Frequency discriminator circuit (FDE and FDI) The frequency discriminator circuit prevents the ringer being activated unintentionally by dial pulses, speech or other invalid signals. Supply pins (VDD and VSS) If the supply current (VDD) drops below the standby voltage (Vstb), the oscillator and most other functions are switched off and the supply current is reduced to the standby current (Istb). The automatic swell register retains its information until VDD drops further to a value VAS at which reset occurs. 7.2 PCD3360 5 FL INPUT STATE LOWER LIMIT FH INPUT STATE UPPER LIMIT LOW 20 Hz LOW 60 Hz HIGH 13.3 Hz HIGH 30 Hz Philips Semiconductors Product specification Programmable multi-tone telephone ringer 7.6 PCD3360 Selection of tone sequences (TS1 and TS2) TS1 and TS2 are effective when both FDE and FDI are HIGH, and VDD > Vstb. TS1 and TS2 normally select one of the four standard tone sequences shown in Fig.4. Different tone sequences of 15 or 16 consecutive tones and pauses can be mask programmed to order. The seven tones (plus pause) available are shown in Fig.5, together with the corresponding ROM codes. The tone sequences are repeated continuously provided the enable conditions at inputs FDE and FDI are valid and VDD > Vstb. The first sequence and subsequent repetitions always begin with the first note in the sequence. handbook, full pagewidth pin state TS2 TS1 L L L H H tone sequence output at pin TONE tone code 3 3 3 4 4 4 2 2 2 7 7 7 6 6 6 tone code 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 tone code 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 tone code 4 4 4 0 4 4 4 0 4 4 4 4 4 4 0 0 H L H MGD715 Fig.4 Tone sequences mask-programmed in the PCD3360. handbook, full pagewidth tone key − frequency (Hz) 0 frequency ratio tone code 0 c d e 533 600 667 g b c e 800 1000 1067 1333 8 : 9 : 10 : 12 : 15 : 16 : 20 1 2 3 4 5 6 7 MGD714 Fig.5 Available tones (including pause) and their corresponding ROM codes. 1997 Jan 15 6 Philips Semiconductors Product specification Programmable multi-tone telephone ringer 7.7 Selection of repetition rates (RR1 and RR2) 7.8 PCD3360 Drive mode selection (DM) The duration of a time interval within a tone sequence is determined by the state of inputs RR1 and RR2 as shown in Table 3. The resultant variation of repetition rates acts as a distinguishing feature between adjacent telephones. The output signal at pin TONE can be selected for application with electro-dynamic or piezo-electric transducers. An example of both signals, for a tone frequency of 667 Hz, is shown in Fig.6. Table 3 7.8.1 Duration of time intervals (fOSC = 64 kHz) INPUT STATE RR1 RR2 TIME INTERVAL (ms) LOW LOW 15 LOW HIGH 30 HIGH LOW 45 HIGH HIGH 60 LOUDSPEAKER MODE In the loudspeaker mode (DM = LOW), pin TONE outputs a delta-modulated signal that approximates a sinewave sampled at a rate of 32 kHz. The output pulse duration is determined by pins IS1 and IS2. The resultant acoustic spectrum is aurally more acceptable and has greater penetration than a square-wave spectrum because more power is concentrated at the fundamental frequency. 7.8.2 The repetition rate variation can be extended by mask programming the same tone combination for all 4 tone sequences, but with a different number of time intervals per tone. Thus the repetition rate can be selected from 16 values by inputs RR1, RR2, TSI and TS2. The single tone sequence used is customer-defined. 7.9 PXE MODE In the PXE mode (DM = HIGH), pin TONE outputs a square wave. In this mode the ringer impedance and sound pressure level are determined by characteristics (e.g. the size) of the PXE transducer; inputs IS1 and IS2 are inactive. Setting of impedance, sound pressure level and automatic swell (IS1 and IS2) With DM = LOW (loudspeaker mode), inputs IS1 and IS2 determine the pulse duration of the output signal and thereby the DC resistance Rxy (seen at points x and y in Fig.8), the input impedance Zi and also the Sound Pressure Level (SPL). The selection of 3 impedance settings and automatic swell is shown in Table 4. Table 4 Setting of pulse duration and automatic swell (DM = LOW) INPUT STATE FUNCTION IS1 IS2 LOW LOW LOW HIGH automatic swell constant level RINGING BURST NUMBER (N) PULSE DURATION(1) (µs) Rxy(3) (kΩ) Zi(3) (kΩ) SPL(2)(3) (dBr) tfund tharm 1 1.9 − 40 tbf tbf 2 2.9 − 20 17.5 −4 >2 4.1 1.8 5 7 0 − 2.9 − 20 17.5 −4 HIGH LOW − 3.8 − 10 10.5 tbf HIGH HIGH − 5.4 − 5 7 0 Notes 1. Typical pulse durations, tfund and tharm, for the delta-modulated approximation of fundamental and harmonic signals; valid for fOSC = 64 kHz and fclk = 32 kHz. See Fig.6 and Fig.7. 2. SPL is the relative Sound Pressure Level, and 0 dBr is defined as the SPL for IS1 = IS2 = HIGH. 3. Values of the DC resistance Rxy, bell impedance (Zi) and SPL are valid for a value of input voltage Vi(rms) = 40 V. 1997 Jan 15 7 Philips Semiconductors Product specification Programmable multi-tone telephone ringer When IS1 and IS2 are both LOW, the circuit operates in the automatic swell mode. The SPL then increases in three steps so that the maximum level is reached for the third ringing burst. PCD3360 Table 5 Harmonic frequency in relation to tone code and fundamental frequency FREQUENCY (Hz) TONE CODE Each time VDD drops below VAS the automatic swell register is reset and the next ringing burst is considered as N = 1 (see Table 4). A buffer capacitor (see Fig.8) must hold VDD > VAS during the time between two consecutive ringing bursts of a series. For each of the other three combinations of pins IS1 and IS2 the pulse duration has a constant value. Thus the ringer can be designed so that the impedance represented at the telephone line will comply with postal requirements that vary in relation to parallel or series connections of more than one ringer. FUNDAMENTAL HARMONIC 1 533 3200 2 600 2400 3 667 2667 4 800 3200 5 1000 2000 6 1067 2133 7 1333 2667 Using a single mask it is possible to program the following: To satisfy some applications, a harmonic signal is added to the fundamental frequency in the last step of the automatic swell mode. The pulses representing this harmonic signal are interleaved with the pulses of the fundamental signal (see Fig.7). The difference in pulse duration shown in Table 4, is chosen so that the harmonic level is 10 dB below the fundamental level. • Addition of harmonics in all the other input states of IS1 and IS2 The harmonic frequency range is from 2 kHz to 3.2 kHz. The individual harmonic frequencies for the seven tone codes and the relative fundamental frequencies are shown in Table 5. The OPT output is designed to drive an optical signal transducer or lamp. It is LOW when the ringer circuit is enabled and HIGH when the ringer circuit is disabled. This output can also be used to switch the transmitter ON and OFF in the base unit of a cordless telephone set. 1997 Jan 15 • All pulse duration values • Other even harmonic frequencies. 7.10 8 Optical output (OPT) DD 1997 Jan 15 DD 10 each pulse has a duration of t 0 fund 31.25 µs 20 30 Tfund = 48 x 31.25 = 1500 µs 40 48 MLC523 9 10 Tharm = 12 × 31.25 = 375 µs 30 pulse duration = tharm Tfund = 48 × 31.25 = 1500 µs 20 40 48 MGD713 31.25 µs Fundamental signal (667 Hz) + harmonic signal (2667 Hz) at pin TONE (for fOSC = 64 kHz, to provide fclk = 32 kHz). Delta-modulated option. pulse duration = tfund 0 Programmable multi-tone telephone ringer Fig.7 VSS DM = LOW (LSP) VDD Fig.6 Fundamental signal (667 Hz) at pin TONE (for fOSC = 64 kHz, to provide fclk = 32 kHz). Square wave and delta-modulated options. SS V DM = LOW (LSP) V SS V DM = HIGH (PXE) V Philips Semiconductors Product specification PCD3360 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VDD supply voltage −0.8 +9 V IDD supply current − 50 mA VI all input voltages −0.8 VDD + 0.8 V II DC input current −10 +10 mA IO DC output current −10 +10 mA Ptot total power dissipation − 300 mW PO power dissipation per output − 50 mW Tstg storage temperature range −65 +150 °C Tj operating junction temperature −25 +70 °C 9 HANDLING Inputs and outputs are protected against electrostatic discharge in normal handling. However, it is good practice to take normal precautions appropriate to handling MOS devices. See “Data Handbook IC03, General, Handling MOS devices”. 1997 Jan 15 10 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 10 DC CHARACTERISTICS VDD = 6.0 V; VSS = 0 V; fOSC = 64 kHz; Tamb = −25 to +70 °C; valid enable conditions at FDI and FDE; all voltages with respect to VSS; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VDD operating supply voltage Vstb + 0.1 − 8.0 3.9 5.7 4.8 V Vstb standby supply voltage note 1 VAS supply voltage for automatic swell reset note 2 IDD operating supply current note 3 − 110 140 µA Istb standby supply current VDD < Vstb; note 4 − 3 8 µA 0.5Vstb V V Inputs VIL LOW level input voltage 0 − 0.3VDD V VIH HIGH level input voltage 0.7VDD − VDD V PULL-DOWN CIRCUIT OF INPUTS FDE, R1, RR2, DM, IS1, IS2, TS1, FL, FH RIL pull-down resistance input at VSS − 20 − kΩ IIH pull-down current input at VDD − 0.1 − µA PULL-DOWN CIRCUIT OF FDI ISL pull-down current (LOW) VFDI = 0.3VDD; Tamb = 25 °C 14 23 32 µA TC(FDI) temperature coefficient of ISL VFDI = 0.3VDD; Tamb = 25 °C − 0.5 − %/°C ISH pull-down current (HIGH) VFDI = 0.8VDD − 0.1 − µA ISX pull-down current (STANDBY) VDD < Vstb − 0.1 − µA IIS current into input FDI note 5 −0.2 − +0.2 mA Outputs, TONE and OPT IOL output sink current VOL = 0.5 V 1 2 − mA IOH output source current VOL = −0.5 V −1 −2 − mA Notes 1. For VDD < Vstb the circuit is in standby mode. 2. At VDD = VAS the automatic swell register is reset. 3. ROSC = 365 kΩ; COSC = 56 pF; FDI = FDE = VDD; all other inputs and outputs open-circuit; see Figs 8 and 9. 4. The standby supply current is measured with all inputs and outputs open-circuit, with the exception of OSC. 5. The current IIS is clamped to VDD and to VSS by two internal diodes. Correct operation is ensured with VFDI > VDD or VFDI < VSS, provided the maximum value of IIS is not exceeded. (The input FDI has an extended HIGH and LOW input voltage range.) 1997 Jan 15 11 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 11 AC CHARACTERISTICS VDD = 6.0 V; VSS = 0 V; fOSC = 64 kHz; Tamb = −25 to +70 °C; valid enable conditions at FDI and FDE; all voltages with respect to VSS; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT td(on) switch-on delay FDE = LOW; ringing frequency 1 within limit set by FL and FH; note 1 − 1.5 cycle td(off) switch-off delay FL = LOW − − 50 ms fOSC oscillator frequency ∆fOSC/∆VP ∆fOSC/∆T FL = HIGH − − 75 ms ROSC = 365 kW; COSC = 56 pF; Tamb = 25 °C; note 2 60 64 68 kHz oscillator frequency variation with respect to supply voltage − 1 − %/V oscillator frequency variation with respect to temperature − 0.05 − %/K Notes 1. The switch-on delay is measured in cycles of incoming ringing frequency. 2. Lead lengths of ROSC and COSC to be kept to a minimum. The total switch-on delay equals approximately the time required to charge the supply capacitor C3 to the minimum operating value, plus the specified switch-on delay of the PCD3360. 12 APPLICATION INFORMATION Application of the PCD3360 in a telephone ringer circuit together with a loudspeaker is shown in Fig.8. The threshold levels VH and VL of the frequency discriminator circuit are determined by: The high operating voltage combined with the class D output stage ensures the optimal energy conversion and thereby a high sound level. The design can easily be optimized for parallel or series connection of more than one ringer. The diode bridge, zener diode (D1) and resistor R1 protect the ringer against transients up to 5 kV. During these surges the voltage on the 68 V zener diode (BZW03-C68) can rise to 100 V; the DMOS transistor BST72A (TR1) has a maximum drain-source voltage of 100 V. Up to 220 V, 50 Hz can be applied to the a/b terminals without damaging the ringer. • The logic threshold of input FDI (0.5VDD, typically 3.4 V for VDD = 6.8 V) • The pull-down current of input FDI (20 µA typically for FDI < 3.4 V) • The value of R2 (680 kΩ in Fig.8). For a positive slope the voltage at R2 must exceed the value VH before FDI will become HIGH; VH is the sum of the input threshold and the voltage drop across R2 thus: –3 –6 V H = 3.4 + 680 × 10 × 20 × 10 = 17 V The choke (L1) in series with the 50 Ω loudspeaker increases the sound pressure level by approximately 3 dB by suppression of the 32 kHz carrier frequency and its sidebands. The flyback diode BAX18A (D2) is a fast type with low forward voltage to obtain high efficiency. For a negative slope, the voltage at R2 must decrease below the value of VL before FDI will become LOW. Because the current into FDI is negligible with FDI = HIGH the voltage drop across R2 can be discounted, thus VL = 3.4 V. Application of the PCD3360 together with a PXE transducer is shown in Fig.9. The only significant difference between Fig.8 and Fig.9 is the output stage. Two BST72A transistors provide an output voltage swing almost equal to the voltage at C3. Pins IS1 and IS2 are inoperative because DM = HIGH. Volume control is possible using resistor RV. The minimum operating voltage across C3 is 17.8 V which is determined by: • The minimum operating voltage of the PCD3360 (5.8 V) • The supply current of the PCD3360 (120 µA max.) • The value of R3 (100 kΩ in Fig.8). 1997 Jan 15 12 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 x handbook, full pagewidth D1 BZW03-C68 1N5060 (4×) C4 56 pF R2 680 kΩ C3 10 µF VDD VI TS1 RV TS2 RR1 RR2 FDI R1 1 kΩ b/a L1 3 mH D3 BZX79-C6V8 a/b ZI 50 Ω D2 BAX18A R3 100 kΩ C2 10 nF OPT PCD3360 OSC TR1 TONE BST72A C1 (5 W) 1 µF VSS FL R4 365 kΩ FH DM IS1 IS2 FDE y VI MGD712 VH = 17 V VL = 3.4 V 0 t VFDI 0 t Fig.8 Transformerless electronic ringer with PCD3360 and a loudspeaker. handbook, full pagewidth D1 BZW03-C68 1N5060 (4×) R3 100 kΩ C2 10 nF R5 100 kΩ D3 BZX79-C6V8 TR2 BST72A a/b R2 680 kΩ C4 56 pF VDD DM TS1 FDI R1 1 kΩ b/a C1 1 µF (5 W) OPT PCD3360 OSC D2 TS2 RR1 RR2 TR1 C3 10 µF BAX18A RV TONE BST72A R4 365 kΩ VSS FL FH IS1 IS2 FDE PXE transducer MGD711 Fig.9 PCD3360 ringer with PXE transducer. 1997 Jan 15 13 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 13 PACKAGE OUTLINES DIP16: plastic dual in-line package; 16 leads (300 mil) SOT38-4 ME seating plane D A2 A A1 L c e Z w M b1 (e 1) b b2 MH 9 16 pin 1 index E 1 8 0 5 10 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 min. A2 max. b b1 b2 c D (1) E (1) e e1 L ME MH w Z (1) max. mm 4.2 0.51 3.2 1.73 1.30 0.53 0.38 1.25 0.85 0.36 0.23 19.50 18.55 6.48 6.20 2.54 7.62 3.60 3.05 8.25 7.80 10.0 8.3 0.254 0.76 inches 0.17 0.020 0.13 0.068 0.051 0.021 0.015 0.049 0.033 0.014 0.009 0.77 0.73 0.26 0.24 0.10 0.30 0.14 0.12 0.32 0.31 0.39 0.33 0.01 0.030 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 92-11-17 95-01-14 SOT38-4 1997 Jan 15 EUROPEAN PROJECTION 14 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 SO16: plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 D E A X c HE y v M A Z 9 16 Q A2 A (A 3) A1 pin 1 index θ Lp L 1 8 e detail X w M bp 0 5 10 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y mm 2.65 0.30 0.10 2.45 2.25 0.25 0.49 0.36 0.32 0.23 10.5 10.1 7.6 7.4 1.27 10.65 10.00 1.4 1.1 0.4 1.1 1.0 0.25 0.25 0.1 0.9 0.4 0.012 0.096 0.004 0.089 0.01 0.019 0.013 0.014 0.009 0.41 0.40 0.30 0.29 0.050 0.42 0.39 0.055 0.043 0.016 0.043 0.039 0.01 0.01 0.004 0.035 0.016 inches 0.10 Z (1) θ Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT162-1 075E03 MS-013AA 1997 Jan 15 EIAJ EUROPEAN PROJECTION ISSUE DATE 92-11-17 95-01-24 15 o 8 0o Philips Semiconductors Product specification Programmable multi-tone telephone ringer Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 °C. 14 SOLDERING 14.1 Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 °C. 14.3.2 This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “IC Package Databook” (order code 9398 652 90011). 14.2 14.2.1 • A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. DIP SOLDERING BY DIPPING OR BY WAVE • The longitudinal axis of the package footprint must be parallel to the solder flow. • The package footprint must incorporate solder thieves at the downstream end. During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. Maximum permissible solder temperature is 260 °C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 °C within 6 seconds. Typical dwell time is 4 seconds at 250 °C. REPAIRING SOLDERED JOINTS A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 °C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 °C, contact may be up to 5 seconds. 14.3 14.3.1 14.3.3 REPAIRING SOLDERED JOINTS Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. SO REFLOW SOLDERING Reflow soldering techniques are suitable for all SO packages. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. 1997 Jan 15 WAVE SOLDERING Wave soldering techniques can be used for all SO packages if the following conditions are observed: The maximum permissible temperature of the solder is 260 °C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds. 14.2.2 PCD3360 16 Philips Semiconductors Product specification Programmable multi-tone telephone ringer PCD3360 15 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. 16 LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1997 Jan 15 17 Philips Semiconductors Product specification Programmable multi-tone telephone ringer NOTES 1997 Jan 15 18 PCD3360 Philips Semiconductors Product specification Programmable multi-tone telephone ringer NOTES 1997 Jan 15 19 PCD3360 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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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. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 417027/1200/02/pp20 Date of release: 1997 Jan 15 Document order number: 9397 750 01162