54ABT241 Octal Buffer/Line Driver with TRI-STATE (R) Outputs General Description Features The ABT241 is an octal buffer and line driver with 3-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/receiver. n Non-inverting buffers n Output sink capability of 48 mA, source capability of 24 mA n Guaranteed latchup protection n High impedance glitch free bus loading during entire power up and power down cycle n Nondestructive hot insertion capability n Standard Microcircuit Drawing (SMD) 5962-9322701 Ordering Code Military Package Number Package Description 54ABT241J-QML J20A 20-Lead Ceramic Dual-In-Line 54ABT241W-QML W20A 20-Lead Cerpack 54ABT241E-QML E20A 20-Lead Ceramic Leadless Chip Carrier, Type C Connection Diagram Pin Names Pin Assignment for DIP and Cerpack Description OE1 Output Enable Input (Active Low) OE2 Output Enable Input (Active High) I0-I7 Inputs O0-O7 Outputs OE1 I0-3 O0-3 OE2 I4-7 O4-7 H X Z L X Z L H H H H H L L L H L L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance DS100215-1 Pin Assignment for LCC DS100215-4 TRI-STATE (R) is a registered trademark of National Semiconductor Corporation. (c) 2004 National Semiconductor Corporation DS100215 www.national.com 54ABT241 Octal Buffer/Line Driver with TRI-STATE Outputs July 1998 54ABT241 Absolute Maximum Ratings (Note 1) Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Any Output in the Disabled or Power-Off State in the HIGH State Current Applied to Output in LOW State (Max) DC Latchup Source Current (Over Comm Operating Range) Over Voltage Latchup (I/O) -65C to +150C -55C to +125C -500 mA 10V Recommended Operating Conditions -55C to +175C -0.5V to +7.0V -0.5V to +7.0V -30 mA to +5.0 mA Free Air Ambient Temperature Military Supply Voltage Military Minimum Input Edge Rate Data Input Enable Input -0.5V to 5.5V -0.5V to VCC -55C to +125C +4.5V to +5.5V (V/t) 50 mV/ns 20 mV/ns Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. twice the rated IOL (mA) Note 2: Either voltage limit or current limit is sufficient to protect inputs. DC Electrical Characteristics Symbol Parameter VIH Input HIGH Voltage VIL Input LOW Voltage VCD Input Clamp Diode Voltage VOH Output HIGH Voltage VOL Output LOW Voltage IIH Min Typ Max Units 2.0 54ABT 2.5 54ABT 2.0 VCC V Conditions Recognized HIGH Signal 0.8 V -1.2 V Min IIN = -18 mA Recognized LOW Signal V Min IOH = -3 mA V Min IOH = -24 mA 0.55 V Min IOL = 48 mA Input HIGH Current 5 A Max VIN = 2.7V (Note 4) IBVI Input HIGH Current Breakdown Test 7 A Max VIN = 7.0V IIL Input LOW Current -5 A Max VIN = 0.5V (Note 4) 54ABT 5 VIN = VCC -5 VID Input Leakage Test IOZH Output Leakage Current IOZL Output Leakage Current IOS Output Short-Circuit Current ICEX 4.75 VIN = 0.0V V 0.0 A 0 - 5.5V IID = 1.9 A All Other Pins Grounded 50 VOUT = 2.7V; OEn = 2.0V -50 A 0 - 5.5V -275 mA Max VOUT = 0.0V Output High Leakage Current 50 A Max VOUT = VCC -100 VOUT = 0.5V; OEn = 2.0V IZZ Bus Drainage Test 100 A 0.0 VOUT = 5.5V; All Others GND ICCH Power Supply Current 50 A Max All Outputs HIGH ICCL Power Supply Current 30 mA Max All Outputs LOW ICCZ Power Supply Current 50 A Max OEn = VCC; ICCT Additional ICC/Input Outputs Enabled 2.5 mA Max VI = VCC - 2.1V Outputs 3-STATE 2.5 mA Enable Input VI = VCC - 2.1V Outputs 3-STATE 50 A Data Input VI = VCC - 2.1V All Others at VCC or Ground All Others at VCC or Ground ICCD Dynamic ICC No Load mA/ (Note 4) 0.1 MHz Max Outputs Open OEn = GND, (Note 3) One Bit Toggling, 50% Duty Cycle Note 3: For 8 bits toggling, ICCD < 0.8 mA/MHz. Note 4: Guaranteed, but not tested. www.national.com 2 Symbol Parameter Min Max Units VCC Conditions CL = 50 pF, RL = 500 VOLP Quiet Output Maximum Dynamic VOL 0.67 V 5.0 TA = 25C (Note 5) VOLV Quiet Output Minimum Dynamic VOL -1.35 V 5.0 TA = 25C (Note 5) Note 5: Max number of outputs defined as (n). n - 1 data inputs are driven 0V to 3V. One output at LOW. Guaranteed, but not tested. AC Electrical Characteristics Symbol Parameter TA = -55C to +125C Units VCC = 4.5V-5.5V CL = 50 pF Min Max tPLH Propagation Delay 0.8 5.3 tPHL Data to Outputs 0.8 5.0 tPZH Output Enable 1.0 7.0 tPZL Time 1.0 7.0 tPHZ Output Disable 0.8 7.9 tPLZ Time 0.8 6.2 ns ns ns Capacitance Symbol Parameter Typ Units Conditions TA = 25C CIN Input Capacitance 5.0 pF VCC = 0V COUT (Note 6) Output Capacitance 9.0 pF VCC = 5.0V Note 6: COUT is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012. 3 www.national.com 54ABT241 DC Electrical Characteristics 54ABT241 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier Package Number E20A www.national.com 4 54ABT241 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Ceramic Dual-In-Line Package Number J20A 20-Lead Ceramic Flatpack Package Number W20A 5 www.national.com 54ABT241 Octal Buffer/Line Driver with TRI-STATE Outputs Notes 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 AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure 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. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ``Banned Substances'' as defined in CSP-9-111S2. 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