SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 D D D D D D D SN54ABT16601 . . . WD PACKAGE SN74ABT16601 . . . 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 UBT (Universal Bus Transceiver) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode OEAB LEAB A1 GND A2 A3 VCC A4 A5 A6 GND A7 A8 A9 A10 A11 A12 GND A13 A14 A15 VCC A16 A17 GND A18 OEBA LEBA Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C Flow-Through Architecture Optimizes PCB Layout 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 These 18-bit universal bus transceivers combine D-type latches and D-type flip-flops to allow data flow in transparent, latched, clocked, and clock-enabled modes. Data flow in each direction is controlled by output-enable (OEAB and OEBA), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The clock can be controlled by the clock-enable (CLKENAB and CLKENBA) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. Output enable OEAB is active low. When OEAB is low, the outputs are active. When OEAB is high, the outputs are in the high-impedance state. 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 CLKENAB CLKAB B1 GND B2 B3 VCC B4 B5 B6 GND B7 B8 B9 B10 B11 B12 GND B13 B14 B15 VCC B16 B17 GND B18 CLKBA CLKENBA Data flow for B to A is similar to that of A to B, but uses OEBA, LEBA, CLKBA, and CLKENBA. To ensure the high-impedance state during power up or power down, 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 SN54ABT16601 is characterized for operation over the full military temperature range of –55°C to 125°C. The SN74ABT16601 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, EPIC-ΙΙB, and UBT are trademarks of Texas Instruments Incorporated. Copyright 1997, 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 SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 FUNCTION TABLE† INPUTS LEAB CLKAB A OUTPUT B H X X X Z L H X L L CLKENAB OEAB X X X L H X H H H L L X X H L L X X B0‡ B0‡ L L L ↑ L L L L L ↑ H L L L L X H B0‡ B0§ † A-to-B data flow is shown: B-to-A flow is similar but uses OEBA, LEBA, CLKBA, and CLKENBA. ‡ Output level before the indicated steady-state input conditions were established § Output level before the indicated steady-state input conditions were established, provided that CLKAB was low before LEAB went low L 2 L L POST OFFICE BOX 655303 H X • DALLAS, TEXAS 75265 SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 logic diagram (positive logic) OEAB CLKENAB CLKAB LEAB LEBA CLKBA CLKENBA OEBA A1 1 56 55 2 28 30 29 27 CE 3 1D C1 CLK 54 B1 CE 1D C1 CLK To 17 Other Channels 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 (except I/O ports) (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: SN54ABT16601 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74ABT16601 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 recommended operating conditions (see Note 3) SN54ABT16601 VCC VIH Supply voltage VIL VI Low-level input voltage IOH IOL High-level output current ∆t/∆v Input transition rise or fall rate High-level input voltage SN74ABT16601 MIN MAX MIN MAX 4.5 5.5 4.5 5.5 2 2 0.8 Input voltage 0 Low-level output current Outputs enabled TA Operating free-air temperature NOTE 3: Unused pins (input or I/O) must be held high or low to prevent them from floating. –55 0 V V 0.8 VCC –24 UNIT VCC –32 V V mA 48 64 mA 10 10 ns/V 85 °C 125 –40 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 MIN –1.2 MAX SN74ABT16601 MIN –1.2 Control inputs A or B ports ICEX IO‡ IOZH§ IOZL§ A or B ports –1.2 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 0.55 Ci Control inputs Cio A or B ports ±1 ±1 ±1 ±20** ±100 ±20 VI = VCC or GND VCC = 0, VCC = 5.5 V, VO = 5.5 V VI or VO ≤ 4.5 V VCC = 5.5 V, VCC = 5.5 V, VO = 2.5 V VO = 2.7 V VCC = 5.5 V, VO = 0.5 V Outputs high 1.9 3 2 3 Outputs low 28 36 35 36 Outputs disabled 1.6 3 2 ±100 Outputs high 50 –100 VI = 2.5 V or 0.5 V VO = 2.5 V or 0.5 V –180 50 –50 –180 –50 µA ±100 µA 50 µA –180 mA 10 10 10 µA –10 –10 –10 µA 50 1.5 mA 3 50 µA mA 3 pF 9 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. ** This limit applies only to the SN74ABT16601. † All typical values are at VCC = 5 V. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. § The parameters IOZH and IOZL include the input leakage current. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. POST OFFICE BOX 655303 V mV VCC = 5 5.5 5V V, VCC = 5.5 V, IO = 0, VI = VCC or GND V V 0.55 0.55* –50 UNIT 2 0.55 VCC = 5.5 V,, One input at 3.4 V,, Other inputs at VCC or GND ∆ICC¶ 4 MAX 100 Ioff ICC SN54ABT16601 2.5 Vhys II TA = 25°C TYP† MAX • DALLAS, TEXAS 75265 SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN54ABT16601 fclock tw Clock frequency Pulse duration LEAB or LEBA high CLKAB or CLKBA high or low A before CLKAB↑ or B before CLKBA↑ tsu th Setup time Hold time MIN MAX 0 150 SN74ABT16601 MIN MAX 0 150 2.5 2.5 3 3 4.6 4 CLK high 2.5 2.5 CLK low 1.3 1 CLKEN before CLK↑ 2.9 2.5 A after CLKAB↑ or B after CLKBA↑ 0.4 0 A after LEAB↓ or B after LEBA↓ 2.8 2 0 0 A before LEAB↓ or B before LEBA↓ CLKEN after CLK↑ UNIT MHz ns ns ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54ABT16601 PARAMETER fmax tPLH tPHL tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ FROM (INPUT) TO (OUTPUT) A or B B or A LEAB or LEBA B or A CLKAB or CLKBA B or A OEAB or OEBA B or A OEAB or OEBA B or A POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 VCC = 5 V, TA = 25°C MIN MAX MIN TYP 150 200 1.5 2.5 4.1 1 4.6 1.5 3.4 4.7 1 5.1 2 3.4 4.7 1 5.6 2 3.7 5 1 5.5 1.5 3.2 4.5 1 5.2 1.5 3.2 4.4 1 5 UNIT MAX 150 MHz 2 4 5 1 5.7 2 4.2 5.6 1 6 2 4.5 5.8 1 6.8 1.5 3.4 5.3 1 6.3 ns ns ns ns ns 5 SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 1997 switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN74ABT16601 PARAMETER fmax tPLH tPHL tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ 6 FROM (INPUT) TO (OUTPUT) A or B B or A LEAB or LEBA B or A CLKAB or CLKBA B or A OEAB or OEBA B or A OEAB or OEBA B or A POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 VCC = 5 V, TA = 25°C MIN MAX MIN TYP 150 200 1.5 2.5 3.6 1.5 4 1.5 3.4 4.7 1.5 4.9 2 3.4 4.7 2 5 2 3.7 5 2 5.2 1.5 3.2 4.5 1.5 4.7 1.5 3.2 4.4 1.5 4.6 UNIT MAX 150 MHz 2 4 5 2 5.5 2 4.2 5.6 2 5.8 2 4.5 5.4 2 6.2 1.5 3.4 4.7 1.5 5.4 ns ns ns ns ns SN54ABT16601, SN74ABT16601 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS210C – JUNE 1992 – REVISED JANUARY 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 7 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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