74F537PC

Revised August 1999 74F537 1-of-10 Decoder with 3-STATE Outputs General Description The 74F537 is one-of-ten decoder/demultiplexer with four active HIGH BCD inputs and ten mutually exclusive outputs. A polarity control input determines whether the outputs are active LOW or active HIGH. The 74F537 has 3STATE outputs, and a HIGH signal on the Output Enable (OE) input forces all outputs to the high impedance state. Two input enables, active HIGH E2 and active LOW E1, are available for demultiplexing data to the selected output in either non-inverted or inverted form. Input codes greater than BCD nine cause all outputs to go to the inactive state (i.e., same polarity as the P input). Ordering Code: Order Number Package Number Package Description 74F537SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F537PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbols Connection Diagram IEEE/IEC © 1999 Fairchild Semiconductor Corporation DS009550 www.fairchildsemi.com 74F537 1-of-10 Decoder with 3-STATE Outputs April 1988 74F537 Unit Loading/Fan Out Pin Names U.L. Input IIH/IIL HIGH/LOW Output IOH/IOL 20 µA/−0.6 mA Description A0–A3 Address Inputs 1.0/1.0 E1 Enable Input (Active LOW) 1.0/1.0 20 µA/−0.6 mA E2 Enable Input (Active HIGH) 1.0/1.0 20 µA/−0.6 mA OE Output Enable Input (Active LOW) 1.0/1.0 20 µA/−0.6 mA P Polarity Control Input 1.0/1.0 20 µA/−0.6 mA O0–O9 3-STATE Outputs 150/40 (33.3) −3 mA/24 mA (20 mA) Truth Table Inputs Function OE E1 E2 Outputs A3 A2 A1 A0 O0 O1 O2 O3 O4 O5 O6 O7 O8 O9 High Impedance H X X X X X X Disable L H X X X X X L X L X X X X Active HIGH L L H L L L L H L L L L L L Output L L H L L L H L H L L L L L (P = L) L L H L L H L L L H L L L L L H L L H H L L L H L L L H L H L L L L L L L L H L H L H L L L L L L H L H H L L L L L L H L H H H L L L L H H L L L L L L H H L L H L L L H H X H X L L L L L L L L L L L L H H H X X L L L L L L L L L L Active LOW L L H L L L L L H H H H H H H H H Output L L H L L L H H L H H H H H H H H (P = H) L L H L L H L H H L H H H H H H H L L H L L H H H H H L H H H H H H L L H L H L L H H H H L H H H H H L L H L H L H H H H H H L H H H H L L H L H H L H H H H H H L H H H L L H L H H H H H H H H H H L H H L L H H L L L H H H H H H H H L H L L H H L L H H H H H H H H H H L L L H H X H X H H H H H H H H H H L L H H H X X H H H H H H H H H H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance www.fairchildsemi.com 2 Z Z Z Z Z Z Z Z Z Z L L L L L L L L L L L L L L L H L L L L L L H L L L L L L L H L L L L L L L L H L L L L L L L L L H L L L L L L L L L H Outputs Equal P Input 74F537 Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 3 www.fairchildsemi.com 74F537 Absolute Maximum Ratings(Note 1) Recommended Operating Conditions Storage Temperature −65°C to +150°C Ambient Temperature under Bias −55°C to +125°C Free Air Ambient Temperature Junction Temperature under Bias −55°C to +150°C Supply Voltage 0°C to +70°C +4.5V to +5.5V −0.5V to +7.0V VCC Pin Potential to Ground Pin 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 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. Current Applied to Output twice the rated IOL (mA) in LOW State (Max) DC Electrical Characteristics Symbol Parameter Min Typ Max Input HIGH Voltage VIL Input LOW Voltage 0.8 V VCD Input Clamp Diode Voltage −1.2 V VOH Output HIGH Voltage VOL Output LOW Voltage IIH Input HIGH Current IBVI Input HIGH Current 2.0 Units VIH 10% VCC 2.5 10% VCC 2.4 5% VCC 2.7 5% VCC 2.7 Output HIGH Input Leakage Test IOD Recognized as a LOW Signal Min IIN = −18 mA IOH = −3 mA V Min 0.5 V Min IOL = 24 mA 5.0 µA Max VIN = 2.7V 7.0 µA Max VIN = 7.0V 50 µA Max VOUT = VCC V 0.0 3.75 µA 0.0 −0.6 mA Max VIN = 0.5V 50 µA Max VOUT = 2.7V −50 µA Max VOUT = 0.5V −150 mA Max VOUT = 0V IOH = −1 mA IOH = −3 mA 10% VCC Leakage Current VID Conditions Recognized as a HIGH Signal IOH = −1 mA Breakdown Test ICEX VCC V 4.75 Output Leakage Circuit Current IID = 1.9 µA All Other Pins Grounded VIOD = 150 mV All Other Pins Grounded IIL Input LOW Current IOZH Output Leakage Current IOZL Output Leakage Current IOS Output Short-Circuit Current IZZ Bus Drainage Test 500 µA 0.0V VOUT = 5.25V ICCH Power Supply Current 56 mA Max VO = HIGH ICCZ Power Supply Current 66 mA Max VO = HIGH Z www.fairchildsemi.com −60 44 4 74F537 AC Electrical Characteristics Symbol Parameter tPLH Propagation Delay TA = +25°C TA = 0°C to +70°C VCC = +5.0V VCC = +5.0V CL = 50 pF CL = 50 pF Min Typ Max Min Max 6.0 11.0 16.0 6.0 17.0 tPHL An to On 4.0 7.5 11.0 4.0 12.0 tPLH Propagation Delay 5.0 8.5 14.5 5.0 15.5 Units ns tPHL E1 to On 4.0 6.5 9.0 4.0 10.0 tPLH Propagation Delay 6.0 11.0 16.0 6.0 17.0 tPHL E2 to On 5.0 10.0 14.0 5.0 15.0 tPLH Propagation Delay 6.0 11.5 18.0 6.0 20.0 17.0 ns tPHL P to On 6.0 11.0 16.0 6.0 tPZH Output Enable Time 3.0 5.5 10.5 3.0 11.5 tPZL OE to On 5.0 9.0 13.0 5.0 14.0 tPHZ Output Disable Time 2.0 4.0 6.0 2.0 7.0 tPLZ OE to On 3.0 5.0 7.0 3.0 8.0 ns 5 www.fairchildsemi.com 74F537 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M20B www.fairchildsemi.com 6 74F537 1-of-10 Decoder with 3-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Package Number N20A 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: 2. A critical component in 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. 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 reasonably expected to result in a significant injury to the user. www.fairchildsemi.com 7 www.fairchildsemi.com