SN64BCT306 DUAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCBS048B – MARCH 1990 – REVISED NOVEMBER 1993 • D OR P PACKAGE (TOP VIEW) State-of-the-Art BiCMOS Design Significantly Reduces ICCZ ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) High-Impedance State During Power Up and Power Down 3-State True Outputs Drive Bus Lines or Buffer-Memory Address Registers P-N-P Inputs Reduce DC Loading Package Options Include Plastic Small-Outline (D) Packages and Standard Plastic 300-mil DIPs (P) • • • • • 1OE VCC 2OE 2A 1 8 2 7 3 6 4 5 2Y 1A GND 1Y description This dual buffer and line driver is designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The SN64BCT306 is characterized for operation from – 40°C to 85°C and 0°C to 70°C. FUNCTION TABLE (each buffer) INPUTS OE A OUTPUT Y H X Z L L L L H H logic symbol† 1 1OE 1A logic diagram (positive logic) 1OE EN 7 1 5 1A 3 2A 4 EN 2A 1 8 7 5 1Y 1Y 2OE 2OE 1 3 4 8 2Y 2Y † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 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 3–1 SN64BCT306 DUAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCBS048B – MARCH 1990 – REVISED NOVEMBER 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 7 V Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . – 0.5 V to 5.5 V Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30 mA Current into any output in the low state, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 40°C to 85°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. NOTE 1: The input negative-voltage rating may be exceeded if the input clamp-current rating is observed. recommended operating conditions (see Note 2) MIN NOM MAX 4.5 5 5.5 UNIT VCC VIH Supply voltage VIL IIK Low-level input voltage 0.8 V Input clamp current –18 mA IOH IOL High-level output current –15 mA Low-level output current 64 ∆t /∆VCC Power-up ramp rate High-level input voltage 2 V mA µs / V 2 TA Operating free-air temperature NOTE 2: Unused or floating inputs must be held high or low. V – 40 85 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK TEST CONDITIONS MIN TYP‡ II = –18 mA IOH = – 3 mA 2.4 3.3 2 3.1 VCC = 4.5 V, VOH VCC = 4 4.5 5V VOL II VCC = 4.5 V, VCC = 5.5 V, IIH IIL VCC = 5.5 V, VCC = 5.5 V, IOZ VCC = 0 to 2.3 V (power up) VCC = 1.8 to 0 V (power down) VO = 2 2.7 7 V or 0 0.5 5 V, V VCC = 5.5 V, VCC = 5.5 V, VO = 2.7 V VO = 0.5 V VCC = 5.5 V, VCC = 5.5 V, VO = 0 Outputs open VCC = 5.5 V, VCC = 5.5 V, IOZH IOZL IOS§ ICCL ICCH ICCZ IOH = – 15 mA IOL = 64 mA 0.42 VI = 7 V VI = 2.7 V VI = 0.5 V UNIT –1.2 V V 0.55 V 0.1 mA 20 µA –1 mA ± 50 OE = 0.8 08V ± 50 – 100 µA 50 µA – 50 µA –225 mA 53 80 mA Outputs open 23 40 mA Outputs open 4 10 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. 3–2 MAX POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN64BCT306 DUAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCBS048B – MARCH 1990 – REVISED NOVEMBER 1993 switching characteristics over recommended range of supply voltage, CL = 50 pF (unless otherwise noted) (see Note 3) FROM (INPUT) TO (OUTPUT) tPLH tPHL A Y tPZH tPZL 1OE or 2OE Y tPHZ tPLZ 1OE or 2OE Y PARAMETER TA = – 40°C to 85°C VCC = 5 V, TA = 25°C TA = 0°C to 70°C UNIT MIN MAX MIN MAX MIN MAX 1.2 4.4 0.9 5.3 0.7 5 1.7 5 1.4 6 1.4 5.5 2 7.8 2 9 2 8.7 2 8.1 2 9.4 2 8.9 2 6.7 2 8 2 7.7 2 7.6 2 9.8 2 8.9 ns ns ns NOTE 3: Load circuits and voltage waveforms are shown in Section 1. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3–3 SN64BCT306 DUAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCBS048B – MARCH 1990 – REVISED NOVEMBER 1993 3–4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 24-Jun-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) SN64BCT306D OBSOLETE SOIC D 8 TBD Call TI Call TI SN64BCT306DR OBSOLETE SOIC D 0 TBD Call TI Call TI SN64BCT306P OBSOLETE PDIP P 8 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. 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