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| HT6571 Multiple RS-232 Drivers and Receivers Features * Single-chip with easy interface between UART and * Driver current-limited output: 25mA typ. * Flexible supply voltage range * ESD protection exceeds 5kV * 20-pin SOP package serial port connector * Three drivers and five receivers meet or exceed the requirements of EIA/TIA-232-D * Designed to support data rates up to 120 Kbit/s General Description The HT6571 is a CMOS device containing three RS-232 line drivers, and five RS-232 line receivers that are used to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). Block Diagram RA1 RA2 RA3 DY1 DY2 RA4 DY3 RA5 RY1 RY2 RY3 DA1 DA2 RY4 DA3 RY5 Pin Assignment VDD RA1 RA2 RA3 DY1 DY2 RA4 DY3 RA5 VSS 9 10 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 VCC RY1 RY2 RY3 DA1 DA2 RY4 DA3 RY5 GND H T6571 2 0 S O P -A Absolute Maximum Ratings Supply Voltage (VSS VDD).......................... -15V~15V Input Voltage Driver .......................................... 0V~7V Output Voltage Driver .................................. -15V~15V Supply Voltage (GND VCC) ....................... -0.3V~5.5V Receiver ...................................................... -15V~15V Receiver ............................................................ 0V~7V Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Rev. 1.20 1 August 20, 2002 HT6571 Electrical Characteristics Symbol VDD VSS VCC VIH1 VIL1 VIH2 VIL2 IOH1 IOL1 IOS(H) IOS(L) SR1 Paremeter Operation Voltage Operation Voltage Operation Voltage Driver Input High Driver Input Low Receiver Input High Receiver Input Low Receiver Output Source Current Receiver Output Sink Current High-level Driver Short Current Low-level Driver Short Current Slew Rate Test Conditions VDD 3/4 3/4 3/4 12V 12V 12V 12V 12V 12V 12V 12V 12V VCC 3/4 3/4 3/4 5V 5V 5V 5V 5V 5V 5V 5V 5V VO=2.4V VO=0.4V VO=0V VO=0V RL=7kW, C1=330pF Conditions 3/4 3/4 3/4 Min. 7.5 -7.5 4.5 2 3/4 3 3/4 -1 +1 -15 15 3/4 Typ. 9 -9 5 3/4 3/4 3/4 3/4 -2 +2 -25 25 3/4 Max. 15 -15 5.5 3/4 0.8 3/4 0 -3 +3 -35 35 30 Unit V V V V V V V mA mA mA mA V/ms Rev. 1.20 2 August 20, 2002 HT6571 Application Circuits Rev. 1.20 3 August 20, 2002 HT6571 , , Rev. 1.20 4 August 20, 2002 HT6571 Package Information 20-pin SOP (300mil) outline dimensions 20 A 11 B 1 C C' 10 G H D E . = Symbol A B C C D E F G H a Dimensions in mil Min. 394 290 14 490 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 510 104 3/4 3/4 38 12 10 Rev. 1.20 5 August 20, 2002 HT6571 Product Tape and Reel Specifications Reel dimensions 6 , ) * + 6 SOP 20W Symbol A B C D T1 T2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301.0 621.5 13.0+0.5 -0.2 2.00.5 24.8+0.3 -0.2 30.20.2 Rev. 1.20 6 August 20, 2002 HT6571 Carrier tape dimensions D E . P0 P1 t W C B0 D1 P K0 A0 SOP 20W Symbol W P E F D D1 P0 P1 A0 B0 K0 t C Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Carrier Tape Thickness Cover Tape Width 24.0+0.3 -0.1 12.00.1 1.750.1 11.50.1 1.5+0.1 1.5+0.25 4.00.1 2.00.1 10.80.1 13.30.1 3.20.1 0.30.05 21.3 Dimensions in mm Rev. 1.20 7 August 20, 2002 HT6571 Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science-based Industrial Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Sales Office) 11F, No.576, Sec.7 Chung Hsiao E. Rd., Taipei, Taiwan Tel: 886-2-2782-9635 Fax: 886-2-2782-9636 Fax: 886-2-2782-7128 (International sales hotline) Holtek Semiconductor (Shanghai) Inc. 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China Tel: 021-6485-5560 Fax: 021-6485-0313 http://www.holtek.com.cn Holtek Semiconductor (Hong Kong) Ltd. RM.711, Tower 2, Cheung Sha Wan Plaza, 833 Cheung Sha Wan Rd., Kowloon, Hong Kong Tel: 852-2-745-8288 Fax: 852-2-742-8657 Holmate Semiconductor, Inc. 48531 Warm Springs Boulevard, Suite 413, Fremont, CA 94539 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright O 2002 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. 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. 1.20 8 August 20, 2002 |
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