Quiet Series Octal Buffer/Line Driver

www.DataSheet4U.com 54ACQ244 • 54ACTQ244 Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs August 1998 54ACQ244 • 54ACTQ244 Quiet Series Octal Buffer/Line Driver with TRI-STATE ® Outputs General Description The ’ACQ/’ACTQ244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. The ACQ/ACTQ utilizes NSC Quiet Series technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet Series™ features GTO™ output control and undershoot corrector in addition to a split ground bus for superior performance. n Guaranteed simultaneous switching noise level and dynamic threshold performance n Improved latch-up immunity n TRI-STATE outputs drive bus lines or buffer memory address registers n Outputs source/sink 24 mA n Faster prop delays than the standard ’AC/’ACT244 n 4 kV minimum ESD immunity n Standard Microcircuit Drawing (SMD) — ’ACTQ244: 5962-92186 — ’ACQ244: 5962-92176 Features n ICC and IOZ reduced by 50% Logic Symbol IEE/IEC Connection Diagrams Pin Assignment for DIP and Flatpak DS100236-1 DS100236-2 Pin Names OE1, OE2 I0–I 7 O0–O 7 Inputs Outputs Description TRI-STATE Output Enable Inputs Pin Assignment for LCC DS100236-3 GTO™ is a trademark of National Semiconductor Corporation. TRI-STATE ® is a registered trademark of National Semiconductor Corporation. FACT ® is a registered trademark of Fairchild Semiconductor Corporation. FACT Quiet Series™ is a trademark of Fairchild Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100236 www.national.com Truth Tables Inputs OE1 L L H Inputs OE2 L L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance Outputs In L H X (Pins 12, 14, 16, 18) L H Z Outputs In L H X (Pins 3, 5, 7, 9) L H Z www.national.com 2 Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) DC Input Diode Current (IIK) VI = −0.5V VI = VCC + 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = −0.5V VO = VCC + 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) DC Latch-Up Source or Sink Current Junction Temperature (TJ) CDIP −0.5V to +7.0V −20 mA +20 mA −0.5V to VCC + 0.5V −20 mA +20 mA −0.5V to VCC + 0.5V Recommended Operating Conditions Supply Voltage (VCC) ’ACQ ’ACTQ Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) 54ACQ/ACTQ Minimum Input Edge Rate ∆V/∆t ’ACQ Devices VIN from 30% to 70% of VCC VCC @ 3.0V, 4.5V, 5.5V Minimum Input Edge Rate ∆V/∆t ’ACTQ Devices VIN from 0.8V to 2.0V VCC @ 4.5V, 5.5V 2.0V to 6.0V 4.5V to 5.5V 0V to VCC 0V to VCC −55˚C to +125˚C 125 mV/ns ±50 mA ±50 mA −65˚C to +150˚C ±300 mA 175˚C 125 mV/ns Note 1: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. National does not recommend operation of FACT ® circuits outside databook specifications. Note 2: All commercial packaging is not recommended for applications requiring greater than 2000 temperature cycles from −40˚C to +125˚C. DC Electrical Characteristics for ’ACQ Family Devices Symbol Parameter VCC (V) VIH Minimum High Level Input Voltage VIL Maximum Low Level Input Voltage VOH Minimum High Level Output Voltage 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 54ACQ TA = −55˚C to +125˚C Guaranteed Limits 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 (Note 3) VIN = VIL or VIH 3.0 4.5 5.5 VOL Maximum Low Level Output Voltage 3.0 4.5 5.5 2.4 3.7 4.7 0.1 0.1 0.1 (Note 3) VIN = VIL or VIH 3.0 4.5 5.5 IIN Maximum Input Leakage Current 5.5 0.50 0.50 0.50 V µA IOL = 12 mA IOL = 24 mA IOL = 24 mA VI = VCC, GND (Note 5) V V IOH = −12 mA IOH = −24 mA IOH = −24 mA IOUT = 50 µA V IOUT = −50 µA V VOUT = 0.1V or VCC − 0.1V V VOUT = 0.1V or VCC − 0.1V Units Conditions ±1.0 3 www.national.com DC Electrical Characteristics for ’ACQ Family Devices Symbol Parameter VCC (V) IOLD IOHD ICC IOZ Minimum Dynamic (Note 4) Output Current Maximum Quiescent Supply Current Maximum TRI-STATE Leakage Current VOLP VOLV Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL Note 3: All outputs loaded thresholds on input associated with output under test. Note 4: Maximum test duration 2.0 ms, one output loaded at a time. Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC. ICC for 54ACQ @ 25˚C is identical to 74ACQ @ 25˚C. Note 6: Plastic DIP package. Note 7: Max number of outputs defined as (n). Data Inputs are driven 0V to 5V. One output @ GND. (Continued) 54ACQ TA = −55˚C to +125˚C Guaranteed Limits 50 −50 80.0 Units Conditions 5.5 5.5 5.5 mA mA µA VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND (Note 5) VI(OE) = VIL, VIH VI = VCC, GND VO = VCC, GND (Notes 6, 7) (Notes 6, 7) 5.5 5.0 5.0 ±5.0 1.5 −1.2 µA V V Note 8: Max number of Data Inputs (n) switching. (n − 1) Inputs switching 0V to 5V (’ACQ). Input-under-test switching: 5V to threshold (VILD), 0V to threshold (VIHD), f = 1 MHz. DC Electrical Characteristics for ’ACTQ Family Devices 54ACTQ Symbol VIH VIL VOH Parameter Minimum High Level Input Voltage Maximum Low Level Input Voltage Minimum High Level Output Voltage VCC (V) 4.5 5.5 4.5 5.5 4.5 5.5 −55˚C to +125˚C Guaranteed Limits 2.0 2.0 0.8 0.8 4.4 5.4 (Note 9) VIN = VIL or VIH 4.5 5.5 VOL Maximum Low Level Output Voltage 4.5 5.5 3.70 4.70 0.1 0.1 (Note 9) VIN = VIL or VIH 4.5 5.5 IIN IOZ ICCT Maximum Input Leakage Current Maximum TRI-STATE Leakage Current Maximum ICC/Input 5.5 1.6 mA 5.5 5.5 0.50 0.50 V µA µA IOL = 24 mA IOL = 24 mA VI = VCC, GND VI = VIL, VIH VO = VCC, GND VI = VCC − 2.1V V V IOH = −24 mA IOH = −24 mA IOUT = 50 µA V V V VOUT = 0.1V or VCC − 0.1V VOUT = 0.1V or VCC − 0.1V IOUT = −50 µA Units Conditions ±1.0 ±5.0 www.national.com 4 DC Electrical Characteristics for ’ACTQ Family Devices 54ACTQ Symbol IOLD IOHD ICC VOLP VOLV Parameter Minimum Dynamic (Note 10) Output Current Maximum Quiescent Supply Current Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL Note 9: All outputs loaded thresholds on input associated with output under test. Note 10: Maximum test duration 2.0 ms, one output loaded at a time. Note 11: ICC for 54ACTQ @ 25˚C is identical to 74ACTQ @ 25˚C. Note 12: Plastic DIP package. Note 13: Max number of outputs defined as (n). Data Inputs are driven 0V to 3V. One output @ GND. (Continued) VCC (V) 5.5 5.5 5.5 5.0 5.0 −55˚C to +125˚C Guaranteed Limits 50 −50 80.0 1.5 −1.2 Units mA mA µA V V Conditions VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND (Note 11) (Notes 12, 13) (Notes 12, 13) AC Electrical Characteristics VCC Symbol Parameter (V) (Note 14) tPHL, tPLH tPZL, tPZH tPHZ, tPLZ Propagation Delay Data to Output Output Enable Time Output Disable Time 3.3 5.0 3.3 5.0 3.3 5.0 Note 14: Voltage Range 5.0 is 5.0V ±0.5V. Voltage Range 3.3 is 3.3V ±0.3V. Note 15: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design. 54ACQ TA = −55˚C to +125˚C CL = 50 pF Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 12.5 9.0 12.0 10.0 11.5 10.0 ns ns ns Units Fig. No. AC Electrical Characteristics VCC Symbol Parameter (V) (Note 16) tPHL, tPLH tPZL, tPZH tPHZ, tPLZ Propagation Delay Data to Output Output Enable Time Output Disable Time 5.0 5.0 1.5 1.5 10.5 10.5 ns ns 5.0 1.5 54ACTQ TA = −55˚C to +125˚C CL = 50 pF Min Max 9.0 ns Units Fig. No. Note 16: Voltage Range 5.0 is 5.0V ±0.5V. Note 17: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design. 5 www.national.com Capacitance Symbol CIN CPD Parameter Input Capacitance Power Dissipation Capacitance Typ 4.5 70 Units pF pF Conditions VCC = OPEN VCC = 5.0V www.national.com 6 Physical Dimensions inches (millimeters) unless otherwise noted 20-Terminal Ceramic Leadless Chip Carrier (L) NS Package Number E20A 20-Lead Ceramic Dual-In-Line Package (D) NS Package Number J20A 7 www.national.com 54ACQ244 • 54ACTQ244 Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Ceramic Flatpak (F) NS Package Number W20A LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support 1. Life support devices or systems are devices or sysdevice or system whose failure to perform can be reatems which, (a) are intended for surgical implant into sonably expected to cause the failure of the life support the body, or (b) support or sustain life, and whose faildevice or system, or to affect its safety or effectiveness. ure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation Americas T