SN74ALS29863 9-BIT TRANSCEIVER WITH 3-STATE OUTPUTS SDAS096C – JANUARY 1986 – REVISED JANUARY 1995 • • • DW OR NT PACKAGE (TOP VIEW) Functionally Equivalent to AMD’s AM29863 Power-Up High-Impedance State Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs OEBA1 A1 A2 A3 A4 A5 A6 A7 A8 A9 OEBA2 GND description This 9-bit transceiver is designed for asynchronous two-way communication between data buses. The control-function implementation allows for maximum flexibility in timing. This device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic levels at the output-enable (OEAB1, OEAB2, OEBA1, and OEBA2) inputs. The SN74ALS29863 is characterized operation from 0°C to 70°C. 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 VCC B1 B2 B3 B4 B5 B6 B7 B8 B9 OEAB2 OEAB1 for FUNCTION TABLE INPUTS OEAB1 OEAB2 OEBA1 OEBA2 L L L L L L H X L L X H H X L L X H L L H X H X H X X H X H X H X H H X OPERATION Latch A and B A to B B to A Isolation Copyright 1995, 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 SN74ALS29863 9-BIT TRANSCEIVER WITH 3-STATE OUTPUTS SDAS096C – JANUARY 1986 – REVISED JANUARY 1995 logic symbol† OEBA1 OEBA2 OEAB1 OEAB2 A1 1 logic diagram (positive logic) & 11 13 EN1 & 14 2 OEAB1 OEAB2 A1 EN2 23 1 13 1 14 11 2 23 OEBA1 OEBA2 B1 B1 2 A2 A3 A4 A5 A6 A7 A8 A9 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 B2 B3 To Eight Other Channels B4 B5 B6 B7 B8 B9 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input voltage, VI (all inputs and I/O ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C 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. recommended operating conditions VCC VIH Supply voltage VIL IOH Low-level input voltage IOL TA Low-level output current 2 High-level input voltage MIN NOM MAX UNIT 4.75 5 5.25 V 2 High-level output current Operating free-air temperature 0 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 V 0.8 V – 24 mA 48 mA 70 °C SN74ALS29863 9-BIT TRANSCEIVER WITH 3-STATE OUTPUTS SDAS096C – JANUARY 1986 – REVISED JANUARY 1995 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VIK VCC = 4.75 V, VOH VCC = 4 4.75 75 V VOL II VCC = 4.75 V, VCC = 5.25 V, MIN II = – 18 mA IOH = – 15 mA IOH = – 24 mA IOL = 48 mA TYP† MAX UNIT – 1.2 V 2.4 V 2 0.35 VI = 5.5 V IIH Control inputs A or B ports‡ VCC = 5 5.25 25 V V, VI = 2 2.7 7V IIL Control inputs A or B ports‡ VCC = 5 5.25 25 V V, VI = 0 0.4 4V 0.5 V 0.1 mA 20 20 – 0.1 – 0.1 IOS§ VCC = 5.25 V, VO = 0 – 75 ICC VCC = 5.25 V 40 † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second. µA mA – 250 mA 65 mA switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) TEST CONDITIONS tPLH tPHL A or B B or A CL = 300 pF tPLH tPHL A or B B or A CL = 50 pF tPZH tPZL OEAB or OEBA A or B CL = 300 pF tPZH tPZL OEAB or OEBA A or B CL = 50 pF tPHZ tPLZ OEAB or OEBA A or B CL = 50 pF tPHZ tPLZ OEAB or OEBA A or B CL = 5 pF VCC = 4.75 V to 5.25 V MIN MAX 15 15 8 8 20 23 15 15 17 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 12 9 9 UNIT ns ns ns ns ns ns 3 SN74ALS29863 9-BIT TRANSCEIVER WITH 3-STATE OUTPUTS SDAS096C – JANUARY 1986 – REVISED JANUARY 1995 PARAMETER MEASUREMENT INFORMATION Test Point VCC SWITCH POSITION TABLE S1 From Output Under Test RL = 180 Ω All Diodes 1N916 or 1N3064 R1 1 kΩ CL (see Note A) S2 TEST S1 S2 tPLH tPHL tPZH tPZL tPHZ tPLZ Closed Closed Open Closed Closed Closed Closed Closed Closed Open Closed Closed LOAD CIRCUIT 3V 1.5 V Timing Input High-Level Pulse 3V 1.5 V 0 0 tw th tsu 1.5 V 3V 3V 1.5 V 1.5 V Data Input 0 Low-Level Pulse 1.5 V 1.5 V 0 VOLTAGE WAVEFORMS PULSE DURATIONS VOLTAGE WAVEFORMS SETUP AND HOLD TIMES 3V Output Control 1.5 V 1.5 V 0 tPZL tPLZ ≈ 4.5 V 3V Input 1.5 V 1.5 V 0 1.5 V 1.5 V VOL tPHZ VOH 1.5 V VOH Waveform 2 (see Note B) 1.5 V 1.5 V 0.5 V ≈ 1.5 V ≈0 VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES 0.5 V tPZH tPLH tPHL ≈ 1.5 V VOL VOH In-Phase Output 1.5 V tPHL tPLH Out-of-Phase Output Waveform 1 (see Note B) VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. Figure 1. Load Circuit and Voltage Waveforms 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. 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