74AC11157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER SCAS183 – D2957, JULY 1989 – REVISED APRIL 1993 • • • • • DW OR N PACKAGE (TOP VIEW) Flow-Through Architecture Optimizes PCB Layout Center-Pin VCC and GND Pin Configurations Minimize High-Speed Switching Noise EPIC (Enhanced-Performance Implanted CMOS) 1-µm Process 500-mA Typical Latch-Up Immunity at 125°C Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs A/B 1Y 2Y GND GND GND GND 3Y 4Y G description This data selector/multiplexer contains inverters and drivers to supply full data selection to the four output gates. A separate strobe (G) input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The 74AC11157 provides true data. The 74AC11157 is characterized for operation from – 40°C to 85°C. INPUTS B A/B A H X X X L L L L X L L L H X H L H X L L L H X H H G 1 A/B 1A 1B 2A 2B 3A 3B 4A 4B 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 20 2 1B 3A 19 3B 17 EN G1 G 1 A/B MUX 2 1 2Y 14 13 3Y 12 9 4B 1Y 18 8 4A 20 19 1A 2B logic symbol† 10 2 1A 1B 2A 2B VCC VCC 3A 3B 4A 4B 3 OUTPUT Y G 20 logic diagram (positive logic) 2A FUNCTION TABLE 1 11 4Y 10 1 1Y 18 3 17 2Y 14 8 13 3Y 12 9 11 4Y † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. EPIC is a trademark of Texas Instruments Incorporated. Copyright 1993, 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 2–1 74AC11157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER SCAS183 – D2957, JULY 1989 – REVISED APRIL 1993 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC + 0.5 V Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 20 mA Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 50 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°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: The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. recommended operating conditions (see Note 2) VCC VIH Supply voltage VCC = 3 V VCC = 4.5 V High-level input voltage VCC = 5.5 V VCC = 3 V VIL VI VO IOH IOL ∆t /∆v Low-level input voltage NOM MAX 3 5 5.5 3.85 0.9 1.35 0 0 VCC = 3 V VCC = 4.5 V POST OFFICE BOX 655303 VCC VCC – 24 – 24 VCC = 4.5 V VCC = 5.5 V 24 • DALLAS, TEXAS 75265 V V –4 VCC = 5.5 V VCC = 3 V Input transition rise or fall rate V 1.65 Output voltage Low-level output current V V 3.15 Input voltage High-level output current UNIT 2.1 VCC = 4.5 V VCC = 5.5 V TA Operating free-air temperature NOTE 2: Unused or floating inputs must be held high or low. 2–2 MIN mA 12 mA 24 0 10 ns / V – 40 85 °C 74AC11157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER SCAS183 – D2957, JULY 1989 – REVISED APRIL 1993 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC IOH = – 50 µA VOH IOH = – 4 mA ICC Ci MAX MIN 3V 2.9 2.9 4.5 V 4.4 4.4 5.5 V 5.4 5.4 3V 2.58 2.48 3.94 3.8 IOL = – 24 mA A 5.5 V 4.94 4.8 IOH = – 75 mA† 5.5 V IOL = 12 mA IOL = 24 mA II IOZ TYP 4.5 V IOL = 50 µA VOL TA = 25°C MIN MAX UNIT V 3.85 3V 0.1 0.1 4.5 V 0.1 0.1 5.5 V 0.1 0.1 3V 0.36 0.44 4.5 V 0.36 0.44 5.5 V 0.36 0.44 V IOL = 75 mA† VI = VCC or GND 5.5 V 5.5 V ± 0.1 ±1 µA VO = VCC or GND VI = VCC or GND, 5.5 V ± 0.5 ±5 µA 5.5 V 8 80 µA IO = 0 1.65 VI = VCC or GND 5V 3.5 † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. pF switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL A or B Y tPLH tPHL A/B Y tPLH tPHL G Y MIN TA = 25°C TYP MAX MIN MAX 1.8 6.2 8.5 1.8 9.5 2.6 8.3 11.1 2.6 12.5 1.9 6.8 8.9 1.9 10 2.7 8.7 11.4 2.7 12.9 1.6 6 8.6 1.6 9.2 2.8 8.6 11.2 2.8 12.3 UNIT ns ns ns switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL A or B Y tPLH tPHL A/B Y tPLH tPHL G Y POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TA = 25°C MIN TYP MAX MIN MAX 1.5 3.9 5.8 1.5 6.4 2.2 5.3 7.5 2.2 8.6 1.7 4.2 6.2 1.7 6.8 2.3 5.5 8 2.3 9 1.6 3.8 5.9 1.6 6.5 2.3 5.4 7.8 2.3 8.8 UNIT ns ns ns 2–3 74AC11157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER SCAS183 – D2957, JULY 1989 – REVISED APRIL 1993 operating characteristics, VCC = 5 V, TA = 25°C PARAMETER Cpd TEST CONDITIONS Power dissipation capacitance CL = 50 pF, TYP UNIT 36 pF f = 1 MHz PARAMETER MEASUREMENT INFORMATION Input (see Note B) From Output Under Test CL = 50 pF (see Note A) VCC 50% 50% 0V tPLH tPHL 500 Ω 50% VCC Output VOH 50% VCC VOL VOLTAGE WAVEFORMS LOAD CIRCUIT NOTES: A. CL includes probe and jig capacitance. B. Input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. C. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms 2–4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. 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