SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218C – JUNE 1992 – REVISED MAY 1997 D D D D D D D D D SN54ABT16825 . . . WD PACKAGE SN74ABT16825 . . . DGG OR DL PACKAGE (TOP VIEW) Members of the Texas Instruments Widebus Family State-of-the-Art EPIC-ΙΙB BiCMOS Design Significantly Reduces Power Dissipation 1OE1 1Y1 1Y2 GND 1Y3 1Y4 VCC 1Y5 1Y6 1Y7 GND 1Y8 1Y9 GND GND 2Y1 2Y2 GND 2Y3 2Y4 2Y5 VCC 2Y6 2Y7 GND 2Y8 2Y9 2OE1 Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C High-Impedance State During Power Up and Power Down Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise Flow-Through Architecture Optimizes PCB Layout High-Drive Outputs (–32-mA IOH, 64-mA IOL) Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings description The ’ABT16825 are 18-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. These devices can be used as two 9-bit buffers or one 18-bit buffer. They provide true data. 1 56 2 55 3 54 4 53 5 52 6 51 7 50 8 49 9 48 10 47 11 46 12 45 13 44 14 43 15 42 16 41 17 40 18 39 19 38 20 37 21 36 22 35 23 34 24 33 25 32 26 31 27 30 28 29 1OE2 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 1A7 GND 1A8 1A9 GND GND 2A1 2A2 GND 2A3 2A4 2A5 VCC 2A6 2A7 GND 2A8 2A9 2OE2 The 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1 or OE2) input is high, all nine affected outputs are in the high-impedance state. When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN54ABT16825 is characterized for operation over the full military temperature range of –55°C to 125°C. The SN74ABT16825 is characterized for operation from –40°C to 85°C. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Widebus and EPIC-ΙΙB are trademarks of Texas Instruments Incorporated. Copyright 1997, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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 SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218C – JUNE 1992 – REVISED MAY 1997 FUNCTION TABLE (each 9-bit section) INPUTS OE1 OE2 A OUTPUT Y L L L L H L L H H X X Z X H X Z logic symbol† 1 & 1OE1 EN1 56 1OE2 2OE1 2OE2 1A1 1A2 1A3 1A4 1A5 1A6 1A7 1A8 1A9 2A1 2A2 2A2 2A3 2A4 2A5 2A6 2A7 2A8 28 & 29 EN2 55 2 1 54 3 52 5 51 6 49 8 48 9 47 10 45 12 44 13 41 16 2 40 17 38 19 37 20 36 21 34 23 33 24 31 26 30 27 1Y1 1Y2 1Y3 1Y4 1Y5 1Y6 1Y7 1Y8 1Y9 2Y1 2Y2 2Y3 2Y4 2Y5 2Y6 2Y7 2Y8 2Y9 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. logic diagram (positive logic) 1OE1 1OE2 1A1 1 2OE1 56 2OE2 2 55 1Y1 To Eight Other Channels 2 POST OFFICE BOX 655303 2A1 28 29 16 41 To Eight Other Channels • DALLAS, TEXAS 75265 2Y1 SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218C – JUNE 1992 – REVISED MAY 1997 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 high or power-off state, VO . . . . . . . . . . . . . . . . . . . –0.5 V to 5.5 V Current into any output in the low state, IO: SN54ABT16825 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74ABT16825 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA Package thermal impedance, θJA (see Note 2): DGG package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81°C/W DL package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –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. NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. The package thermal impedance is calculated in accordance with EIA/JEDEC Std JESD51. recommended operating conditions (see Note 3) SN54ABT16825 VCC VIH Supply voltage VIL VI Low-level input voltage IOH IOL High-level output current High-level input voltage SN74ABT16825 MIN MAX MIN MAX 4.5 5.5 4.5 5.5 2 2 0.8 Input voltage 0 Low-level output current Control pins ∆t/∆v Input transition rise or fall rate ∆t/∆VCC TA Power-up ramp rate 200 Operating free-air temperature –55 Data pins VCC –24 V V 0.8 0 UNIT V VCC –32 mA 48 64 mA 4 4 10 10 –40 ns/V µs/V 200 125 V 85 °C NOTE 3: Unused inputs must be held high or low to prevent them from floating. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218C – JUNE 1992 – REVISED MAY 1997 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VOH TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V, II = –18 mA IOH = –3 mA VCC = 5 V, VCC = 4 4.5 5V VOL VCC = 4 4.5 5V MIN TA = 25°C TYP† MAX SN54ABT16825 MIN –1.2 MAX SN74ABT16825 MIN –1.2 –1.2 2.5 2.5 2.5 IOH = –3 mA IOH = –24 mA 3 3 3 2 2 IOH = –32 mA IOL = 48 mA 2* IOL = 64 mA II IOZPU‡ V V 0.55 0.55* 0.55 100 VCC = 0 to 5.5 V, VI = VCC or GND UNIT 2 0.55 Vhys MAX V mV ±1 ±1 ±1 µA VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X ±50 ±50 ±50 µA IOZPD‡ VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X ±50 ±50 ±50 µA IOZH VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≥ 2 V 10 10 10 µA IOZL VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≥ 2 V –10 –10 –10 µA ±100 µA Ioff ICEX IO§ Outputs high VCC = 0, VCC = 5.5 V, VI or VO ≤ 4.5 V VO = 5.5 V VCC = 5.5 V, VO = 2.5 V ±100 50 –50 –100 –180 Outputs high 50 –50 –180 –50 50 µA –180 mA 2 2 2 5 5 V, V IO = 0, 0 VCC = 5.5 VI = VCC or GND 32 32 32 2 2 2 ∆ICC¶ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 Ci VI = 2.5 V or 0.5 V VO = 2.5 V or 0.5 V ICC Outputs low Outputs disabled Co mA mA 3 pF 7.5 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ This parameter is characterized, but not production tested. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) FROM (INPUT) TO (OUTPUT) tPLH tPHL A Y tPZH tPZL OE Y tPHZ tPLZ OE Y PARAMETER VCC = 5 V, TA = 25°C SN54ABT16825 MIN TYP MAX MIN MAX MIN MAX 1 1.9 3.6 1 4.1 1 3.9 1 2.1 3.9 1 4.7 1 4.4 1 2.8 5.5 1 6.4 1 6.1 1 2.8 5.4 1 6.3 1 6 2.4 4.5 6.8 2.4 7.1 2.4 6.9 1.6 3.7 6.2 1.6 7.6 1.6 6.6 PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. 4 POST OFFICE BOX 655303 SN74ABT16825 • DALLAS, TEXAS 75265 UNIT ns ns ns SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218C – JUNE 1992 – REVISED MAY 1997 PARAMETER MEASUREMENT INFORMATION 500 Ω From Output Under Test S1 7V Open GND CL = 50 pF (see Note A) 500 Ω TEST S1 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 7V Open 3V LOAD CIRCUIT Timing Input 1.5 V 0V tw tsu 3V th 3V 1.5 V Input 1.5 V Data Input 0V 1.5 V 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PULSE DURATION 3V 3V 1.5 V Input Output Control 1.5 V 0V 1.5 V 1.5 V VOL tPLH tPHL VOH Output 1.5 V 1.5 V VOL 1.5 V 0V tPLZ Output Waveform 1 S1 at 7 V (see Note B) VOH Output 1.5 V tPZL tPHL tPLH 1.5 V Output Waveform 2 S1 at Open (see Note B) VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING AND NONINVERTING OUTPUTS 1.5 V 3.5 V VOL + 0.3 V VOL tPHZ tPZH 1.5 V VOH – 0.3 V VOH ≈0V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLING 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. D. The outputs are measured one at a time with one transition per measurement. Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 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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