Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 General Description Features The AZ75232 combines three drivers and five receiv- · Single Chip with Easy Interface between UART ers, which conform to the EIA/TIA-232-F and ITU and Serial-Port Connector v.28 standards. Each receiver converts EIA/TIA-232-F · Meet the Requirement of EIA/TIA-232-F and inputs to 5-V TTL/CMOS levels and each driver con- ITU v.28 Standards verts TTL/CMOS input levels into EIA/TIA-232-F · Designed to Support Data Rates up to 120kbit/s levels. · 3 Drivers and 5 Receivers · Flow-through Pinout The flow-through pinout facilitates simple non-cross- over board layout. The AZ75232 provides a one-chip Applications solution for the common 9-pin serial RS-232 interface between data terminal and data communications equip- ment. · Mother Board · Peripheral Equipment The AZ75232 is available in SOIC-20, SSOP-20 and TSSOP-20 packages. SOIC-20 SSOP-20 TSSOP-20 Figure 1. Package Types of AZ75232 Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 1

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Pin Configuration M/GS/G Package (SOIC-20/SSOP-20/TSSOP-20) VDD 1 20 VCC RA1 2 19 RY1 RA2 3 18 RY2 RA3 4 17 RY3 DY1 5 16 DA1 DY2 6 15 DA2 RA4 7 14 RY4 DY3 8 13 DA3 RA5 9 12 RY5 VSS 10 11 GND Figure 2. Pin Configuration of AZ75232 (Top View) Pin Description Pin Pin Pin Pin Function Function Number Name Number Name 1 VDD Positive Supply Voltage for Driver 11 GND Ground 2 RA1 Receiver Input 12 RY5 Receiver Output 3 RA2 Receiver Input 13 DA3 Driver Input 4 RA3 Receiver Input 14 RY4 Receiver Output 5 DY1 Driver Output 15 DA2 Driver Input 6 DY2 Driver Output 16 DA1 Driver Input 7 RA4 Receiver Input 17 RY3 Receiver Output 8 DY3 Driver Output 18 RY2 Receiver Output 9 RA5 Receiver Input 19 RY1 Receiver Output 10 VSS Negative Supply Voltage for Driver 20 VCC Supply Voltage for Receiver Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 2

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Functional Block Diagram 1 20 VDD VCC 2 19 RA1 RY1 3 18 RA2 RY2 4 17 RA3 RY3 5 16 DY1 DA1 6 15 DY2 DA2 7 14 RA4 RY4 8 13 DY3 DA3 9 12 RA5 RY5 10 11 V GND SS Figure 3. Functional Block Diagram of AZ75232 Ordering Information AZ75232 - E1: Lead Free Circuit Type G1: Green Package TR: Tape and Reel M: SOIC-20 Blank: Tube GS: SSOP-20 G: TSSOP-20 Temperature Part Number Marking ID Packing Package Range Lead Free Green Lead Free Green Type AZ75232M-E1 AZ75232M-G1 AZ75232M-E1 AZ75232M-G1 Tube SOIC-20 -40 to 85oC AZ75232MTR-E1 AZ75232MTR-G1 AZ75232M-E1 AZ75232M-G1 Tape & Reel AZ75232GS-E1 AZ75232GS-G1 AZ75232GS-E1 AZ75232GS-G1 Tube SSOP-20 -40 to 85oC AZ75232GSTR-E1 AZ75232GSTR-G1 AZ75232GS-E1 AZ75232GS-G1 Tape & Reel AZ75232G-E1 AZ75232G-G1 232GE 232GG Tube TSSOP-20 -40 to 85oC AZ75232GTR-E1 AZ75232GTR-G1 232GE 232GG Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages. Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 3

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit VDD 15 Supply Voltage VSS -15 V VCC 7 Driver -15 to 7 Input Voltage Range VI V Receiver -30 to 30 SOIC-20 1340 Power Dissipation (T =25oC) A PD SSOP-20 1210 mW TSSOP-20 1100 Driver Output Voltage Range VO -15 to 15 V Receiver Low-Level Output Current IOL 20 mA Operating Junction Temperature TJ 150 oC Storage Temperature Range TSTG -65 to 150 oC Lead Temperature (Soldering, 10sec) TLEAD 260 oC Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Symbol Min Max Unit V 7.5 15 DD Supply Voltage V -15 -7.5 V SS V 4.5 5.5 CC High-Level Input Voltage (Driver Only) V 1.9 V IH Low-Level Input Voltage (Driver Only) V 0.8 V IL Driver -6 High-Level Output Current IOH mA Receiver -0.5 Driver 6 Low-Level Output Current IOL mA Receiver 16 Operating Temperature Range TA -40 85 oC Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 4

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Electrical Characteristics (T =25oC, unless otherwise specified.) A Parameter Symbol Conditions Min Typ Max Unit VOLTAGE SUPPLY SECTION (V =5V, V =9V, V =-9V, unless otherwise specified) CC DD SS V =9V, V =-9V 15 DD SS All inputs at V =12V, V =-12V 19 1.9V, no load DD SS V =15V, V =-15V 25 DD SS Supply Current from VDD IDD mA V =9V, V =-9V 4.5 DD SS All inputs at V =12V, V =-12V 5.5 0.8V, no load DD SS V =15V, V =-15V 9 DD SS V =9V, V =-9V -15 DD SS All inputs at V =12V, V =-12V -19 1.9V, no load DD SS V =15V, V =-15V -25 DD SS Supply Current from VSS ISS mA V =9V, V =-9V -3.2 DD SS All inputs at V =12V, V =-12V -3.2 0.8V, no load DD SS V =15V, V =-15V -3.2 DD SS Supply Current from V I All inputs at 5V, no load, V =5V 30 mA CC CC CC DRIVER SECTION (V =5V, V =9V, V =-9V, unless otherwise specified) CC DD SS High-Level Output Voltage V V =0.8V, R =3kΩ 6 7.5 V OH IL L Low-Level Output Voltage V V =1.9V, R =3kΩ -7.5 -6 V OL IH L High-Level Input Current I V=5V 10 µA IH I Low-Level Input Current I V=0V -1.6 mA IL I HOuigthp-uLt eCvuerlr eSnhtort-Circuit IOS(H) VIL=0.8V, VO=0V -4.5 -12 -19.5 mA Lpuotw C-Lurerveenlt Short-Circuit Out- IOS(L) VIH=2V, VO=0V 4.5 12 19.5 mA Output Resistance rO VCC=VDD=VSS=0, VO=-2Vto 2V 300 Ω DRIVER SECTION (V =5V, V =12V, V =-12V, unless otherwise specified) CC DD SS Propagation Delay Time Low to High Level Output tPLH RL=3kΩ to 7kΩ, CL=15pF 315 500 ns Propagation Delay Time High to Low Level Output tPHL RL=3kΩ to 7kΩ, CL=15pF 75 175 ns Transition Time CL=15pF 60 100 ns t R =3kΩ to 7kΩ Low to High Level Output TLH L CL=2500pF (Note 2) 1.7 2.5 µs Transition Time CL=15pF 40 75 ns t R =3kΩ to 7kΩ High to Low Level Output THL L CL=2500pF (Note 2) 1.5 2.5 µs Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 5

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Electrical Characteristics (Continued) (T =25oC, unless otherwise specified.) A Parameter Symbol Conditions Min Typ Max Unit RECEIVER SECTION (V =5V, V =9V, V =-9V, unless otherwise specified) CC DD SS 1.75 1.9 2.3 V Positive-Going Input Thresh- V old Voltage IT+ T = -40 to 85 oC 1.55 2.3 V A Negative-Going Input Threshold Voltage VIT- 0.75 0.97 1.25 V Input Hysteresis Voltage VHYS 0.5 V VIH=0.75V 2.6 4 5 High-Level Output Voltage VOH IOH=-0.5mA V Input Open 2.6 Low-Level Output Voltage VOL IOL=10mA, VI=3V 0.2 0.45 V VI=25V 3.6 8.3 High-Level Input Current IIH mA VI=3V 0.43 VI=-25V -3.6 -8.3 Low-Level Input Current IIL mA VI=-3V -0.43 Short-Circuit Output Current IOS VI=0.8V -3.4 -12 mA RECEIVER SECTION (V =5V, V =12V, V =-12V, unless otherwise specified) CC DD SS Propagation Delay Time RL=5kΩ, CL=50pF 105 250 Low to High Level Output tPLH RL=1.5kΩ, CL=15pF 100 160 ns Propagation Delay Time RL=5kΩ, CL=50pF 60 150 High to Low Level Output tPHL RL=1.5kΩ, CL=15pF 42 100 ns Transition Time RL=5kΩ, CL=50pF 170 350 Low to High Level Output tTLH RL=1.5kΩ, CL=15pF 90 175 ns Transition Time RL=5kΩ, CL=50pF 16 60 High to Low Level Output tTHL RL=1.5kΩ, CL=15pF 15 50 ns Note 2: Measured between -3V and 3V points of the output waveform (EIA/TIA-232-F conditions); all unused inputs are tied either high or low. Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 6

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Typical Performance Characteristics Driver Section 20 12 V =9V 16 DD 9 VDD=12V, VSS=-12V 12 VTS=S=2-59oVC VOL(VI=1.9V) 6 V =9V, V =-9V A DD SS A) 8 oltage (V) 03 VDD=6V, VSS=-6V urrent (m 04 V C ut -3 ut -4 p p Out -6 RL=3K Out -8 T=25oC -9 A -12 V (V=0.8V) OH I -12 -16 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -20 -16 -12 -8 -4 0 4 8 12 16 Input Voltage (V) Output Voltage (V) Figure 4. Voltage Transfer Characteristics Figure 5. Output Current vs. Output Voltage 18 1000 15 mA) 12 VVDD == -99VV Current ( 69 IOS(L)(VI=1.9V) V/s)µ 100 RTASL S== 235KoC Circuit Output -303 VVVDSOSD===0-99VV Slew Rate ( 10 Short- -6 IOS(H)(VI=0.8V) SSlleeww RRaattee ooff FRaislle E Eddggee -9 -12 1 -40 -20 0 20 40 60 80 10 100 1000 10000 Temperature (oC) Load Capacitance (pF) Figure 6. Short-Circuit Output Current vs. Temperature Figure 7. Slew Rate vs. Load Capacitance Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 7

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Typical Performance Characteristics (Continued) Receiver Section 2.4 2.0 2.2 1.8 V V) 2.0 VIT+ V) 1.6 IT+ e ( 1.8 e ( 1.4 g g a a olt 1.6 olt 1.2 V V old 1.4 old 1.0 h h s s e 1.2 e 0.8 V Thr V Thr IT- ut 1.0 IT- ut 0.6 p p In 0.8 In 0.4 0.6 0.2 0.4 0.0 -40 -20 0 20 40 60 80 2 3 4 5 6 7 8 Temperature (oC) Supply Voltage (V) Figure 8. Input Threshold Voltage vs. Temperature Figure 9. Input Threshold Voltage vs. Supply Voltage 6 V = 5V CC 5 T = 25oC A 4 V) e ( d plitu 3 m A 2 C=12pF 1 L C=500pF L 0 10 100 1000 10000 Pulse Duration (ns) Figure 10. Noise Rejection Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 8

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Typical Application EIA/TIA-232-F DB9S TTL/CMOS CONNECTOR Level Signal 11 10 Ground GND V -12V 5 SS 12 9 RI RI RY5 RA5 9 13 8 DTR DTR DA3 DY3 14 7 C3 CTS CTS RY4 RA4 UART or TX 15 DA2 AZ75232 DY2 6 TX Serial µC 16 5 C2 RTS RTS DA1 DY1 17 4 C1 RX RX RY3 RA3 18 3 DSR DSR RY2 RA2 6 19 2 DCD DCD RY1 RA1 1 5V 20 VCC VDD 1 12V Figure 11. Typical Application of AZ75232 Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 9

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Mechanical Dimensions SOIC-20 Unit: mm(inch) Note: Eject hole, oriented hole and mold mark is optional. Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 10

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Mechanical Dimensions (Continued) SSOP-20 Unit: mm(inch) DETAIL 1.200(0.047) 7.600(0.299) 5.100(0.201) 8.000(0.315) φ(cid:1627)1.200(0.047) 5.500(0.217) 0.020(0.001) DEP 0.080(0.003) SEE DETAIL A 1.200(0.047) 0.090(0.004) 0.250(0.010) 10 7.000(0.276) 70 7.400(0.291) 100 0.650(0.026) 140 0.070(0.003) 0.220(0.009) 1.690(0.067) R0.150(0.006) 0.230(0.009) 0.380(0.015) MAX 0.324(0.013) R0.150(0.006) 1.400(0.055) 10 1.600(0.063) 0.250(0.010) 70 0.630(0.025) 0.950(0.037) 1.250(0.049) DETAIL A 1.700(0.067) 1.900(0.075) OPTIONAL CONSTRUCTION Note: Eject hole, oriented hole and mold mark is optional Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 11

Data Sheet MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232 Mechanical Dimensions TSSOP-20 Unit: mm(inch) 6.400(0.252) 6.600(0.260) 1.450(0.057) 0.000(0.000) Ф Dp 1.550(0.061) 0.100(0.004) Ф BTM E-MARK 4.300(0.169) 6.200(0.244) 4.500(0.177) 6.600(0.260) INDEXФ 0.750(0.030) Dp0.000(0.000) 0.850(0.033) 0.100(0.004) Ф N PI 1 # 0.100(0.004) 0.650(0.026)TYP 0.800(0.031) 1.200(0.047) 0.190(0.007) 1.050(0.041) MAX 0.340(0.013) 0.050(0.002) 0.540(0.021) 0.150(0.006) 10° 4- 14° TOP & BOTTOM 0.200(0.008)MIN 0.200(0.008) R0.090(0.004)MIN 0.280(0.011) R0.090(0.004)MIN 0.250(0.010)TYP 0° 8° 0.450(0.018) 0.750(0.030) 1.000(0.039) REF Note: Eject hole, oriented hole and mold mark is optional. Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 12

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