74F2243 FAIRCHILD | Alldatasheet

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■ 25Ω series resistors in outputs eliminate the need for external resistors ■ 2-Way asynchronous data bus communication ■ 3-STATE outputs ■ 12 mA source current ■ Designed to drive the capacitive inputs of MOS devices Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol IEEE/IEC Connection Diagram Truth Table H = HIGH Voltage Level Z = High Impedance L = LOW Voltage Level N/A = Not Allowed Unit Loading/Fan Out Order Number Package Number Package Description 74F2243SC M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow Inputs Inputs/Outputs E1 E2 A n B n LLI n p u t B = A LH N / A N / A HL Z Z HH A = B Input Pin Names Description U.L. Input IIH/IIL HIGH/LOW Output IOH /IOL E1 Enable Input (Active LOW) 1.0/1.67 20 µA/−1 mA E2 Enable Input (Active HIGH) 1.0/1.67 20 µA/−1 mA An, Bn Inputs 3.5/2.67 70 µA/−1.6 mA Outputs 750/20 −15 mA/12 mA

www.fairchildsemi.com 2 74F2243 Absolute Maximum Ratings(Note 1) Recommended Operating Conditions 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. Note 2: Either voltage limit or current limit is sufficient to protect inputs. Storage Temperature −65°C to +150°C Ambient Temperature under Bias −55°C to +125°C Junction Temperature under Bias −55°C to +150C VCC Pin Potential to Ground Pin −0.5V to +7.0V Input Voltage (Note 2) −0.5V to +7.0V Input Current (Note 2) −30 mA to +5.0 mA Voltage Applied to Output in HIGH State (with VCC = 0V) Standard Output −0.5V to VCC 3-STATE Output −0.5V to +5.5V Current Applied to Output in LOW State (Max) twice the rated I OL (mA) ESD Last Passing Voltage (Min) 4000V Free Air Ambient Temperature 0 °C to +70°C Supply Voltage +4.5V to +5.5V Symbol Parameter Min Typ Max Units VCC Conditions VIH Input HIGH Voltage 2.0 V Recognized as a HIGH Signal VIL Input LOW Voltage 0.8 V Recognized as a LOW Signal VCD Input Clamp Diode Voltage −1.2 V Min I IN = −18 mA VOH Output HIGH 10% V CC 2.4 I OH = −3 mA (An, Bn) Voltage 10% V CC 2.0 V Min I OH = −15 mA (An, Bn) 5% V CC 2.7 I OH = −3 mA (An, Bn) VOL Output LOW 0.50 VM i n IOL = 1 mA (An, Bn) Voltage 0.75 I OL = 12 mA (An, Bn) IIH Input HIGH Current 20 µAM a x V IN = 2.7V (E1, E2) IBVI Input HIGH Current 100 µAM a x V IN = 7.0V (E1, E2) Breakdown Test IBVIT Input HIGH Current 1.0 mA Max V IN = 5.5V (An, Bn) Breakdown Test (I/O) IIL Input LOW Current −1.0 mA Max V IN = 0.5V (E1, E2) IIH + IOZH Output Leakage Current 70 µAM a x V OUT = 2.7V (An, Bn) IIL + IOZL Output Leakage Current −1.6 mA Max V OUT = 0.5V (An, Bn) IOS Output Short-Circuit Current −100 −225 mA Max V OUT = 0V (An, Bn) ICEX Output HIGH Leakage Current 250 µAM a x V OUT = VCC ICCH Power Supply Current 64 80 mA Max V O = HIGH ICCL Power Supply Current 64 90 mA Max V O = LOW ICCZ Power Supply Current 71 90 mA Max V O = HIGH Z Symbol Parameter TA = +25°CT A = 0°C to +70°C Units VCC = +5.0V V CC = +5.0V C L = 50 pF C L = 50 pF Min Typ Max Min Max tPLH Propagation Delay 1.5 7.0 1.5 7.0 ns tPHL An to Bn, Bn to An 2.5 8.0 2.0 8.0 tPZH Output Enable Time 1.5 9.0 1.0 9.5 ns tPZL E1 to Bn, E2 to An 2.5 11.5 2.5 12.0 tPHZ Output Disable Time 1.5 9.0 1.0 9.5 tPLZ E1 to Bn, E2 to An 1.5 8.5 1.5 9.5

3 www.fairchildsemi.com 74F2243 Quad Bus Transceiver Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow Package Number M14A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD’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 FAIRCHILD 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 (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be rea- sonably expected to result in a significant injury to the user. 2. A critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com