HT9170D-18SOPLF HOLTEK, HT9170D-18SOPLF Datasheet
HT9170D-18SOPLF
Specifications of HT9170D-18SOPLF
Related parts for HT9170D-18SOPLF
HT9170D-18SOPLF Summary of contents
Page 1
... INH pin HT9170B: 18-pin DIP package HT9170D: 18-pin SOP package Highly accurate switched capacitor filters are imple- mented to divide tone signals into low and high group signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering ...
Page 2
... CMOS OUT Early steering output (see Functional Description) Tone acquisition time and release time can be set through connection with ex- RT/GT I/O CMOS IN/OUT ternal resistor and capacitor. VDD Positive power supply, 2.5V~5.5V for normal operation Rev. 1.10 HT9170B/HT9170D Description / September 24, 2002 ...
Page 3
... Low Input Current IL I High Input Current IH R Pull-high Resistance (OE Input Impedance (VN, VP Source Current (D0~D3, EST, DV Sink Current (D0~D3, EST, DV System Frequency OSC Rev. 1.10 HT9170B/HT9170D Storage Temperature ............................ 125 C +0.3V Operating Temperature........................... Test Conditions Min. Typ. V Conditions DD 2.5 5V 3.0 5V PWDN= 4.0 V ...
Page 4
... Rejected Inter-digit Pause IR t Propagation Delay (RT/GT to DO) PDO t Propagation Delay (RT/GT to DV) PDV t Output Data Set Up (DO to DV) DOV t Disable Delay (OE to DO) DDO t Enable Delay (OE to DO) EDO Note: DO=D0~D3 Rev. 1.10 HT9170B/HT9170D f =3.5795MHz, Ta=25 C OSC Test Conditions Min. Typ. V Conditions ...
Page 5
... When each signal amplitude at the out- put exceeds the specified level transferred to full swing logic signal. Rev. 1.10 HT9170B/HT9170D Figure 1. Test circuit When input signals are recognized to be effective, DV becomes high, and the correct tone code (DTMF) digit is transferred. ...
Page 6
... Timing Diagrams Rev. 1.10 HT9170B/HT9170D Figure 3. Steering timing Figure 4. Power up timing 6 September 24, 2002 ...
Page 7
... Note: Z High impedance; ANY Any digit Rev. 1.10 HT9170B/HT9170D (c) t > GTP GTA GTP DD DD TRT t = ( GTA DD TRT Digit ...
Page 8
... The data outputs (D0~D3) are tristate outputs. When OE input becomes low, the data outputs (D0~D3) are high imped- ance. Application Circuits Application Circuit Note: X¢tal = 3.579545MHz crystal 20pF X¢tal = 3.58MHz ceramic resonator 39pF Application Circuit Note: X¢tal = 3.579545MHz crystal 20pF X¢tal = 3.58MHz ceramic resonator 39pF Rev. 1.10 HT9170B/HT9170D September 24, 2002 ...
Page 9
... Package Information 18-pin DIP (300mil) outline dimensions Symbol Min. A 895 B 240 C 125 D 125 295 I 335 0 Rev. 1.10 HT9170B/HT9170D Dimensions in mil Nom. Max. 915 260 135 145 20 70 100 315 375 15 9 September 24, 2002 ...
Page 10
... SOP (300mil) outline dimensions Symbol Min. A 394 B 290 447 Rev. 1.10 HT9170B/HT9170D Dimensions in mil Nom. Max. 419 300 20 460 104 September 24, 2002 ...
Page 11
... Reel dimensions SOP 18W Symbol Description A Reel Outer Diameter B Reel Inner Diameter C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange T2 Reel Thickness Rev. 1.10 HT9170B/HT9170D Dimensions in mm 330±1.0 62±1.5 13.0+0.5 -0.2 2.0±0.5 24.8+0.3 -0.2 30.2±0.2 11 September 24, 2002 ...
Page 12
... P1 Cavity to Perforation (Length Direction) A0 Cavity Length B0 Cavity Width K0 Cavity Depth t Carrier Tape Thickness C Cover Tape Width Rev. 1.10 HT9170B/HT9170D Dimensions in mm 24.0+0.3 0.1 16.0 0.1 1.75 0.1 11.5 0.1 1.5 0.1 1.5+0.25 4.0 0.1 2.0 0.1 10.9 0.1 12.0 0.1 2.8 0.1 ...
Page 13
... Holtek¢s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.10 HT9170B/HT9170D 13 September 24, 2002 ...