SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 D D D D D D D D D D, DB†, OR N PACKAGE (TOP VIEW) Bi-MOS Technology With TTL and CMOS Compatibility Meets or Exceeds the Requirements of ANSI EIA / TIA-232-E and ITU Recommendation V.28 Very Low Quiescent Current . . . 95 µA Typ VCC ± = ± 12 V Current-Limited Outputs . . . 10 mA Typ CMOS-and TTL-Compatible Inputs On-Chip Slew Rate Limited to 30 V/µs max Flexible Supply Voltage Range Characterized at VCC ± of ± 4.5 V and ± 15 V Functionally Interchangeable With Texas Instruments SN75188, Motorola MC1488, and National Semiconductor DS14C88 VCC – 1A 1Y 2A 2B 2Y GND 1 14 2 13 3 12 4 11 5 10 6 9 7 8 VCC + 4B 4A 4Y 3B 3A 3Y † The DB package is only avalable left-end taped and reeled, i.e., order device SN75C188DBLE. description The SN75C188 is a monolithic, low-power, quadruple line driver that interfaces data terminal equipment with data communications equipment. This device is designed to conform to ANSI Standard EIA / TIA-232-E. An external diode in series with each supply-voltage terminal is needed to protect the SN75C188 under certain fault conditions to comply with EIA / TIA-232-E. The SN75C188 is characterized for operation from 0°C to 70°C. Function Tables DRIVER 1 B Y H L L H DRIVERS 2 – 4 A B Y H H L L X H X L H H = high level, L = low level, X = don’t care Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 1997, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 logic symbol† 1A 2A 2B 3A 3B 4A 4B logic diagram (positive logic) 3 2 4 & 6 5 1Y 1A 2Y 2A 2B 9 8 10 3A 3Y 3B 12 11 13 4A 4Y 4B † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 2 3 4 6 5 9 8 10 12 11 13 1Y 2Y 3Y 4Y positive logic Y = A (driver 1) Y = AB or A + B (drivers 2 through 4) schematics of inputs and outputs EACH OUTPUT‡ EACH INPUT VCC + VCC + Internal 1.4-V Ref to GND Input A Input B (drivers 2, 3 and 4 only) (driver 1 only) 160 Ω Output 74 Ω GND GND 72 Ω VCC – VCC – ‡ All resistor values shown are nominal. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC + (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V Supply voltage, VCC – (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 15 V Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC – to VCC + Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC – – 6 V to VCC + + 6 V Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C † Stresses beyond 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-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to the network ground terminal. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING D 950 mW 7.6 mW/°C 608 mW DB 525 mW 4.2 mW/°C 336 mW N 1150 mW 9.2 mW/°C 736 mW recommended operating conditions MIN NOM MAX Supply voltage, VCC + 4.5 12 15 V Supply voltage, VCC – – 4.5 – 12 –15 V VCC + V Input voltage, VI VCC – +2 2 High-level Input voltage, VIH Low-level Input voltage, VIL Operating free-air temperature, TA 0 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT V 0.8 V 70 °C 3 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 electrical characteristics over operating free-air temperature range, VCC+ = 12 V, VCC– = –12 V (unless otherwise noted) PARAMETER VOH VOL IIH IIL High level output voltage High-level Low-level output voltage g (see Note 2) VIL = 0 0.8 8V V, VIH = 2 V V, RL = 3 kΩ RL = 3 kΩ MIN VCC + = 5 V,, VCC – = – 5 V 4 VCC + = 12 V,, VCC – = – 12 V 10 TYP† MAX UNIT V VCC + = 5 V,, VCC – = – 5 V –4 VCC + = 12 V,, VCC – = – 12 V – 10 V 10 µA – 10 µA Low-level input current VI = 5 V VI = 0 IOS(H) High-level g short-circuit output current‡ VI = 0 0.8 8V V, VO = 0 or VCC – – 5.5 55 – 10 – 19.5 19 5 mA IOS(L) Low-level short-circuit output current‡ VI = 2 V V, VO = 0 or VCC + 55 5.5 10 19 5 19.5 mA rO Output resistance, power off VCC + = 0, VCC – = 0, VI = – 2 V to 2 V VCC + = 5 V,, No load VCC – = – 5 V, 8V All inputs at 2 V or 0 0.8 90 160 VCC + = 12 V,, No load VCC – = – 12 V, All inputs at 2 V or 0 0.8 8V 95 160 VCC + = 5 V,, No load VCC – = – 5 V, 8V All inputs at 2 V or 0 0.8 – 90 – 160 VCC + = 12 V, No load VCC – = – 12 All inputs at 2 V or 0 0.8 8V – 95 – 160 ICC + ICC – High-level input current TEST CONDITIONS Supply current from VCC + Supply current from VCC – Ω 300 µA µA † All typical values are at TA = 25°C. ‡ Not more than one output should be shorted at a time. NOTE 2: The algebraic convention, in which the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic levels only; e.g., if – 4 V is a maximum, the typical value is a more negative voltage. switching characteristics, VCC+ = 12 V, VCC– = –12 V, TA = 25°C PARAMETER TEST CONDITIONS tPLH tPHL Propagation delay time, low- to high-level output§ Propagation delay time, high- to low-level output§ tTLH tTHL Transition time, low- to high-level output¶ Transition time, high- to low-level output¶ Transition time, low- to high-level output# tTLH tTHL Transition time, high- to low-level output# Output slew rate§ RL = 3 kΩ,, See Figure 1 RL = 3 kΩ to 7 kΩ,, See Figure 1 MIN TYP UNIT 3 µs 3.5 µs 0.53 3.2 µs 0.53 3.2 µs CL = 15 pF,, CL = 2500 pF,, MAX 1.5 µs 1.5 µs SR RL = 3 kΩ to 7 kΩ, CL = 15 pF 6 15 30 V/µs § Measured at the 50% level ¶ Measured between the 10% and 90% points on the output waveform # Measured between the 3-V and – 3-V points on the output waveform (EIA / TIA-232-E conditions), all unused inputs tied either high or low 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 PARAMETER MEASUREMENT INFORMATION Input 3V Input 1.5 V 1.5 V 0V Pulse Generator (see Note A) tPHL Output CL (see Note B) RL tPLH VOH 90% 90% 50% 50% 10% 10% Output tTHL TEST CIRCUIT VOL tTLH VOLTAGE WAVEFORMS NOTES: A. The pulse generator has the following characteristics: tw = 25 µs, PRR = 20 kHZ, ZO = 50 Ω, tr = tf ≤ 50 ns. B. CL includes probe and jig capacitance. Figure 1. Test Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 TYPICAL CHARACTERISTICS OUTPUT CURRENT vs OUTPUT VOLTAGE VOLTAGE TRANSFER CHARACTERISTICS 12 VCC ± = ± 15 V VCC ± = ± 12 V 9 VCC ± = ± 9 V 6 VCC ± = ± 5 V 20 0 ÁÁÁ ÁÁÁ –3 VCC ± = ± 5 V –6 VCC ± = ± 9 V RL = 3 kΩ TA = 25°C 1.2 1.4 1.6 1.8 3-kΩ Load Line 0 –4 VOH (VI = 0.8 V) –8 – 16 – 15 1 4 – 12 VCC ± = ± 5 V 0.2 0.4 0.6 0.8 8 ÁÁ ÁÁ VCC ± = ± 12 V –9 0 VOL = (VI = 2 V) 12 3 – 12 VCC ± = ± 12 V TA = 25°C 16 – Output Current – mA I IO O VVO O – Output Voltage – V 15 – 20 – 16 2 – 12 SHORT-CIRCUIT OUTPUT CURRENT vs FREE-AIR TEMPERATURE 4 8 12 16 OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE 15 12 RL = 3 kΩ VCC ± = ± 12 V VOH (VCC ± = ±12 V, VI = 0.8 V) 10 8 IOS(L) VI = 2 V VO = 0 or VCC + 5 VO – Output Voltage – V IOS – Short-Circuit Output Current – mA I OS 0 Figure 3 Figure 2 0 –5 IOS(H) VI = 0.8 V VO = 0 or VCC – – 10 4 VOH (VCC ± = ± 5 V, VI = 0.8 V) 0 VOL( VCC ± = ± 5 V, VI = 2 V) –4 –8 – 15 0 20 40 60 80 100 120 VOL (VCC ± = ± 12 V, VI = 2 V) – 12 0 20 TA – Free-Air Temperature – °C 40 60 Figure 5 POST OFFICE BOX 655303 80 100 TA – Free-Air Temperature – °C Figure 4 6 –4 VO – Output Voltage – V VI – Input Voltage – V ÁÁ ÁÁ ÁÁ –8 • DALLAS, TEXAS 75265 120 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 TYPICAL CHARACTERISTICS INPUT CURRENT vs FREE-AIR TEMPERATURE POWER-OFF OUTPUT RESISTANCE vs FREE-AIR TEMPERATURE 120 500 VCC ± = ± 12 V VCC + = VCC – = 0 rro O – Power-off Output Resistance – Ω 100 IIII – Input Current – nA 80 IIH, VI = 5 V 60 40 20 0 IIL, VI = 0 – 20 – 40 0 20 40 60 80 100 475 450 VO = – 2 V 425 VO = 2 V 400 375 350 325 300 120 0 20 TA – Free-Air Temperature – °C 40 Figure 6 ICC + 40 RL = ∞ VI = 0.8 V or 2 V 0 – 40 VCC ± = ± 5 V – 80 120 VCC ± = ± 12 V CL = 15 pF 25 SR – Output Slew Rate – V/s I CC ± – Supply Current – µ A 30 VCC ± = ± 5 V 100 OUTPUT SLEW RATE vs FREE-AIR TEMPERATURE VCC ± = ± 12 V 80 80 Figure 7 SUPPLY CURRENT vs FREE-AIR TEMPERATURE 120 60 TA – Free-Air Temperature – °C Slew Rate Positive Transition RL = 3 kΩ RL = 7 kΩ 20 15 RL = 3 kΩ RL = 7 kΩ Slew Rate Negative Transition 10 5 ICC – VCC ± = ± 12 V – 120 0 20 40 60 80 100 120 0 0 20 TA – Free-Air Temperature – °C 40 60 80 100 120 TA – Free-Air Temperature – °C Figure 8 Figure 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 TYPICAL CHARACTERISTICS PROPAGATION DELAY TIME vs FREE-AIR TEMPERATURE 2 2 RL = 7 kΩ tPHL RL = 3 kΩ VCC ± = ± 12 V CL = 15 pF 1.5 RL = 3 kΩ tPLH 1 VCC + = 12 V VCC – = – 12 V RL = 3 kΩ to 7 kΩ 1.75 t t – Output Transition Time – µ s t pd – Propagation Delay Time – µ s tpd OUTPUT TRANSITION TIME vs FREE-AIR TEMPERATURE RL = 7 kΩ 0.5 tTHL tTLH 1.5 CL = 2500 pF 1.25 tTLH CL = 15 pF 1 tTHL 0.75 0.5 0.25 0 0 0 20 40 60 80 100 0 120 20 40 60 Figure 10 Figure 11 APPLICATION INFORMATION Output to RTL – 0.7 V to 3.7 V 1/4 ’C188 3V Output to DTL – 0.7 V to 5.7 V Input From TTL, DTL, or CMOS 1/4 ’C188 5V Output to HNIL or 10-V CMOS – 0.7 V to 10 V 1/4 ’C188 Output to MOS – 10 V to 0 V 1 kΩ 1/4 ’C188 VCC ± = ± 12 V 10 kΩ – 12 V Figure 12. Logic Translator Applications 8 80 100 TA – Free-Air Temperature – °C TA – Free-Air Temperature – °C POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 120 SN75C188 QUADRUPLE LOW-POWER LINE DRIVERS SLLS033F – JANUARY 1988 – REVISED MARCH 1997 APPLICATION INFORMATION + 15 V Output SN75C188 VCC + VCC + SN75C188 VCC – VCC – NOTE A: External diodes placed in series with the VCC + and VCC – leads protect the SN75C188 in the fault condition where the device outputs are shorted to ± 15 V and the power supplies are at low voltage and provide low-impedance paths to GND. Figure 13. 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