HD75159 Dual Differential Line Drivers With 3 State Outputs ADE-205-589 (Z) 1st. Edition Dec. 2000 Description The HD75159 features dual differential line drivers with three state outputs, which satisfy the requirements of EIA(standard) RS-422A. Each driver has an output control. When the output control is low, the associated outputs are in a high impedance state. This permits many devices to be connected together on the same transmission line for party line applications. Pin Arrangement NC 1 14 VCC 1Z 2 13 2Z 1Y 3 12 2Y 1A 4 11 2B 1B 5 10 2A 1C 6 9 2C GND 7 8 NC (Top view) HD75159 Absolute Maximum Ratings Item Symbol Rating Unit Supply Voltage VCC 7 V Input Voltage VIN 5.5 V DP 1150 mW FP 785 Powre Dissipation (Ta = 25°C) PT* 1 Operating Temperature Range Topr 0 to 70 °C Storage Temperature Range Tstg –60 to +150 °C Note: 1. The above date were taken by the ∆V BE method, mounting on a glass epoxy board (40 × 40 × 1.6 mm) of 10 % wiring density. 2. The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Recommended Operating Conditions Item Symbol Min Typ Max Unit Supply Voltage VCC 4.75 5.00 5.25 V Output Current I OH — — –40 mA Output Current I OL — — 40 mA Operating Temperature Topr 0 70 °C Electrical Characteristics (Ta = 0 to 70°C) Item Symbol Min Typ*1 Max Unit Input Voltage VIH 2 — — V VIL — — 0.8 Input Clamp Voltage VIK — –0.9 -1.5 V VCC = 4.75 V, II = –12 mA Output Voltage VOH 2.5 3.0 — V VCC = 4.75 V, VIL = 0.8 V VIH = 2 V, IOH = –40 mA –0.25 0.5 VOL Conditions VCC = 4.75 V, VIL = 0.8 V VIH = 2 V, IOL = 40 mA Output Clamp Voltage VOK — –1.1 –1.5 V VCC = 5.25 V, IO = –40 mA Differential Output Voltage VOD1 — 3.5 2 V OD2 V VCC = 5.25 V, IO = 0 VOD2 — 2 3.0 Change In Magnitude Of Differential Output Voltage*2 ∆ |VOD| — 0.02 0.4 V VCC = 4.75 V, RL = 100 Ω*1 Common-mode Output VOC — 1.8 3 V VCC = 5.25 V, RL = 100 Ω*1 — 1.5 3 Voltage*3 2 VCC = 4.75 V, RL = 100 Ω*1 VCC = 4.75 V, RL = 100 Ω*1 HD75159 Electrical Characteristics (Ta = 0 to 70°C) (cont) Item Symbol Min Typ*1 Max Unit Conditions Change In Magnitude Of Differential Output Voltage*2 ∆ |VOC| — 0.01 0.4 V VCC = 4.75 V or 5.25 V — 0.1 100 µA VCC = 0 V, VO = 6 V — –0.1 –100 VCC = 0 V, VO = –0.25 V — — ±100 VCC = 0 V, VO = –0.25 V to 6 V — — ±10 — — –20 VCC = 5.25 V Output Control 0.8 V, Input Ta=70°C, VO = 0 V — — ±20 VCC = 5.25 V Output Control 0.8 V, Input Ta=70°C, VO = 0.4 V — — ±20 VCC = 5.25 V Output Control 0.8 V, Input Ta=70°C, VO = 2.4 V — — 20 VCC = 5.25 V Output Control 0.8 V, Input Ta=70°C, VO = VCC II — — 1 mA VCC = 5.25 V, VI = 5.5 V I IH — — 40 µA VCC = 5.25 V, VI = 2.4 V I IL — –1 –1.6 mA VCC = 5.25 V, VI = 0.4 V Short Circuit Output Current* I OS –40 –90 –150 mA VCC = 5.25 V Supply Current I CC — 47 65 mA VCC = 5.25 V No Load, Inputs Grounded Ta = 25°C Output Current With Power Off I O Off State (High Impedance State) Output Current I OZ Input Current 4 µA VCC = 5.25 V Output Control 0.8 V Ta = 25°C, VO = 0 to VCC Notes: 1. All typical values are at V CC = 5 V, Ta = 25°C. 2. ∆ |VOD| and ∆ |V OC | are the changes in magnitudes of VOD and VOC , respectively, that occur when the input is changed from a high level to a low level. 3. In EIA standard RS-422A, VOC , which is the average of the two output voltages with respect to ground, is called output offset voltage, VOS. 4. Only one output should be shorted at a time, and duration of the short circuit should not exceed one second. 3 HD75159 50 Ω VOD 2 50 Ω Note: 1. VOC Differential and common mode output voltages. Switching Characteristics (VCC = 5.0 V, Ta = 25°C) Item Symbol Min Typ Max Unit Test Circuit Conditions Propagation Delay Time t PLH — 16 25 ns 1 CL = 30 pF, RL = 100 Ω t PHL — 11 20 Termination A t PLH — 13 20 1 t PHL — 9 15 Termination B t TLH — 4 20 1 t THL — 4 20 Termination A t ZH — 7 20 2 CL = 30 pF, RL = 180 Ω t ZL — 14 40 3 CL = 30 pF, RL = 250 Ω t HZ — 10 30 2 CL = 30 pF, RL =180 Ω t LZ — 17 35 3 CL = 30 pF, RL = 250 Ω — — 10 Transition Time Output Enable Time Output Disable Time Overshoot Output Factor 4 % CL = 15 pF CL = 30 pF, RL = 100 Ω 1 RL = 100 Ω Termination C HD75159 Switching Time Test Method Test Circuit 1. tPLH, tPHL, tTLH, tTHL, and overshoot factor R L= 1k Ω 5V Input Y Pulse Generator Output Z R L= 50 Ω Termination A Termination B Y Y Z C L= 30 pF R L= 100 Ω Z C L= 15 pF C L= 15 pF Termination C Y R L= 100 Ω Z 5 HD75159 25 ns tr tf 90 % 1.5 V Input 3V 90 % 1.5 V 10 % 10 % t PLH t PHL 90 % Output Y t TLH t PHL 1.5 V 10 % t THL VOL 90 % VOH t TLH VOL t PLH 90 % 1.5 V 10 % 1.5 V 10 % t THL Over Shoot 100 % 0% Over Shoot 6 VOH 90 % 1.5 V 10 % Output Z 0V HD75159 2. tZH, tHZ Input Pulse Generator R L= 50 Ω C L= 30 pF Output R L= 180 Ω C L= 30 pF 5V R L= 1k Ω 100 ns tf tr Input 90 % 1.5 V 10 % 10 % 0V t HZ t ZH Output 3V 90 % 1.5 V 1.5 V 0.5 V VOH Voff 0V 7 HD75159 3. tZL, tLZ Input Pulse Generator C L= 30 pF 5V R L= 250 Ω 5V Output R L= 1 kΩ C L= 30 pF 100 ns tf tr Input 90 % 1.5 V 3V 90 % 1.5 V 10 % 10 % 0V t LZ t ZL 5V Output Notes: 1. 2. 8 1.5 V The pulse generator has the following characteristics: Zout = 50 Ω, PRR = 500 kHz CL includes probe and jig capacitance. 0.5 V V OL HD75159 Package Dimensions Unit: mm 19.20 20.32 Max 8 6.30 7.40 Max 14 1.30 7 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 2.39 Max 2.54 Min 5.06 Max 1 7.62 + 0.10 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Mass (reference value) DP-14 Conforms Conforms 0.97 g 9 HD75159 Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & Integrated Circuits. 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