SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 • • • • • • • • • SN75125 . . . D OR N PACKAGE Meets IBM 360/370 I/O Specification Input Resistance . . . 7 kΩ to 20 kΩ Output Compatible With TTL Schottky-Clamped Transistors Operates From Single 5-V Supply High Speed . . . Low Propagation Delay Ratio Specification for Propagation Delay Time, Low-to-High/High-to-Low Seven Channels in One 16-Pin Package Standard VCC and Ground Positioning on SN75127 (TOP VIEW) 1A 2A 3A 4A 5A 6A 7A GND 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 1Y VCC 3Y 4Y 5Y 6Y 7Y 2Y SN75127 . . . D OR N PACKAGE (TOP VIEW) description The SN75125 and SN75127 are monolithic seven-channel line receivers designed to satisfy the requirements of the IBM System 360/370 input/output interface specifications. Special low-power design and Schottky-clamped transistors allow for low supply-current requirements while maintaining fast switching speeds and high-current TTL outputs. 1A 2A 3A 4A 5A 6A 7A GND The SN75125 and SN75127 are characterized for operation from 0°C to 70°C. 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC 1Y 2Y 3Y 4Y 5Y 6Y 7Y THE SN75125 IS NOT RECOMMENDED FOR NEW DESIGN logic symbols† SN75125 1A 2A 3A 4A 5A 6A 7A 1 2 3 4 5 SN75127 16 1Y 9 2Y 1A 2A 14 3Y 13 4Y 6 12 5Y 11 6Y 7 10 7Y 3A 4A 5A 6A 7A 1 2 3 4 5 6 7 15 1Y 14 2Y 13 3Y 12 4Y 11 5Y 10 6Y 9 7Y † These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Copyright 1993, Texas Instruments Incorporated ! "#$ ! %#&'" ($) (#"! " !%$""! %$ *$ $! $+! !#$! !(( ,-) (#" %"$!!. ($! $"$!!'- "'#($ $!. '' %$$!) • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 2−1 SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 schematic (each receiver) Common Circuitry To Other Channels VCC 150 Ω NOM A Input Y Output 12 kΩ NOM GND To Other Channels absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input voltage range: SN75125 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − 0.15 V to 7 V SN75127 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − 2 V to 7 V Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − 65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C NOTES: 1. All voltage values are with respect to network ground terminal. DISSIPATION RATING TABLE TA ≤ 25°C POWER RATING OPERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING D 950 mW 7.6 mW/°C 608 mW N 1050 mW 9.2 mW/°C 736 mW PACKAGE 2−2 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 recommended operating conditions MIN NOM MAX Supply voltage, VCC 4.5 5 5.5 High-level input voltage, VIH 1.7 V V Low-level input voltage, VIL High-level output current, IOH Low-level output current, IOL Operating free-air temperature, TA UNIT 0 0.7 V −0.4 mA 16 mA 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VOH VOL High-level output voltage IIH IIL High-level input current TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V, VIL = 0.7 V, VIH = 1.7 V, Low-level input current VCC = 5.5 V, VCC = 5.5 V, VI = 3.11 V VI = 0.15 V IOS Short-circuit output current‡ VCC = 5.5 V, VO = 0 ri Input resistance VCC = 4.5 V, 0 V, or open, VCC = 5.5 V, IOH = − 0.4 mA, ICC Low-level output voltage Supply current VCC = 5.5 V, † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be shorted at a time. IOH = − 0.4 mA IOL = 16 mA MIN TYP† 2.4 3.1 IOL = 16 mA, V 0.5 V 0.3 0.42 mA 7 All inputs at 4 V UNIT 0.4 −18 ∆VI = 0.15 V to 4.15 V All inputs at 0.7 V MAX 30 µA −60 mA 20 kΩ 15 25 mA 28 47 mA switching characteristics, VCC = 5 V, TA = 25°C PARAMETER tPLH tPHL tPLH tPHL tTLH tTHL MIN TYP MAX Propagation delay time, low-to-high-level output TEST CONDITIONS 7 14 25 ns Propagation delay time, high-to-low-level output 10 18 30 ns 0.5 0.8 1.3 Transition time, low-to-high-level output 1 7 12 ns Transition time, high-to-low-level output 1 3 12 ns RL = 400 Ω, Ω CL = 50 pF, Ratio of propagation delay times • See Figure 1 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • UNIT 2−3 SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 PARAMETER MEASUREMENT INFORMATION VCC RL = 400 Ω (see Note C) Output Pulse Generator (see Note A) CL = 50 pF (see Note B) TEST CIRCUIT 100 ns 10 ns 10 ns 90% 0.7 V Input 3V 90% 1.7 V 10% 10% tPLH tPHL 2V Output 0V VOH 2V 1.2 V 0.8 V 1.5 V 0.8 V tTHL VOL tTLH VOLTAGE WAVEFORMS NOTES: A. The pulse generator has the following characteristics: ZO ≈ 50 Ω, PRR ≤ 5 MHz. B. CL includes probe and jig capacitance. C. All diodes are 1N3064 or equivalent. Figure 1. Tests Circuit and Voltage Waveforms 2−4 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 TYPICAL CHARACTERISTICS ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ VOLTAGE TRANSFER CHARACTERISTICS 5 VOLTAGE TRANSFER CHARACTERISTICS 5 VCC = 5.5 V TA = 70°C VCC = 5 V 4 VO V O − Output Voltage − V VO V O − Output Voltage − V 4 ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ 3 TA = 25°C 2 TA = 0°C 1 ÏÏÏÏ ÏÏÏÏ VCC = 4.5 V 3 2 ÏÏÏÏ ÏÏÏÏ 1 No Load TA = 25°C VCC = 5 V No Load 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 VI − Input Voltage − V 0 1.6 1.8 0 2 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 VI − Input Voltage − V Figure 2 ÏÏÏÏÏÏ ÏÏÏÏÏÏ ÏÏÏÏÏ ÏÏÏÏÏ ÏÏÏÏÏÏ ÏÏÏÏÏÏ 0.6 VCC = 5 V No Load TA = 25°C VOL VOL − Low-Level Output Voltage − V III I − Input Current − mA LOW-LEVEL OUTPUT VOLTAGE vs OUTPUT CURRENT ÏÏÏÏ ÏÏÏÏ ÏÏÏÏÏ ÏÏÏÏÏ ÏÏÏÏ ÏÏÏÏ 0.3 2 Figure 3 INPUT CURRENT vs INPUT VOLTAGE 0.4 1.8 0.2 0.1 0 VCC = 5 V VI = 5 V TA = 25°C 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 VI − Input Voltage − V 4 0 5 Figure 4 5 10 15 IO − Output Current − mA 20 Figure 5 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 2−5 SLLS108B − D239, JANUARY 1977 − REVISED FEBRUARY 1993 TYPICAL CHARACTERISTICS SUPPLY CURRENT vs SUPPLY VOLTAGE 30 IICC CC − Supply Current − mA 25 All Seven Channels No Load TA = 25°C 20 All inputs at 4 V 15 10 All inputs at 0.7 V 5 0 0 1 2 3 4 VCC − Supply Voltage − V 5 Figure 6 2−6 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 6 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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