Philips Semiconductors Product specification 1-of-10 decoder (3-State) 74F537 DESCRIPTION PIN CONFIGURATION The 74F537 is a one-of-ten decoder/demultiplexer with four active High BCD inputs and ten mutually exclusive outputs. A Polarity control (P) input determines whether the outputs are active Low or active High. The 74F537 has 3-State outputs and a High signal on the Output Enables (OE) input forces all outputs to the high impedance state. Two input Enables, active High (E1) and active Low (E0), are available for demultiplexing data to the selected output in either non-inverted or inverted form. Input codes greater than BCD nine causes all outputs to go to the inactive state (i.e., same polarity as the P input). TYPICAL SUPPLY CURRENT (TOTAL) TYPICAL PROPAGATION DELAY TYPE 74F537 9ns Q2 1 20 VCC Q1 2 19 Q3 Q0 3 18 Q4 P 4 17 A3 OE 5 16 A2 A0 6 15 E0 A1 7 14 E1 Q5 8 13 Q9 Q6 9 12 Q8 11 Q7 GND 10 44mA SF01004 ORDERING INFORMATION DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 20-Pin Plastic DIP N74F537N 20-Pin Plastic SOL N74F537D INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW A0 - A3 Data inputs 1.0/1.0 20µA/0.6mA E0 Enable input (active Low) 1.0/1.0 20µA/0.6mA E1 Enable input (active High) 1.0/1.0 20µA/0.6mA P Polarity control input 1.0/1.0 20µA/0.6mA OE Output Enable input 1.0/1.0 20µA/0.6mA Q0 - Q9 Data outputs 150/40 3.0mA/24mA NOTE: One (1.0) FAST Unit Load is defined as: 20µA in the High state and 0.6mA in the Low state. LOGIC SYMBOL LOGIC SYMBOL (IEEE/IEC) 6 7 16 17 DMUX 4 A0 A1 A2 3 N10 A3 0,10 & EN 5 4 P 15 E0 14 E1 6 7 5 OE 17 1,10 2,10 3,10 13 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 1989 Jan 20 2 1 19 18 8 9 11 12 0 9 5,10 6,10 3 7,10 15 3 10G Q9 14 VCC = Pin 20 GND = Pin 10 4,10 0 & 8,10 9,10 2 1 19 18 8 9 11 12 13 13 SF01005 SF01006 1 853–0873 95586 Philips Semiconductors Product specification 1-of-10 decoder (3-State) 74F537 LOGIC DIAGRAM A3 A2 A1 A0 E0 E1 P OE 17 16 7 6 15 14 4 5 3 VCC = GND = Pin 20 Pin 10 Q0 2 Q1 1 Q2 19 Q3 18 Q4 8 Q5 9 Q6 11 Q7 12 Q8 13 Q9 SF01007 FUNCTION TABLE INPUTS H L X Z OUTPUTS OE E0 E1 A3 A2 A1 A0 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 H X X X X X X Z Z Z Z Z Z Z Z Z Z L L H X X L X X X X X X X X L L L L L L L L H H H H L L L L L L L L L L H H L H L H H L L L L H L L L L H L L L L H L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L H H H H L L L L H H H H L L H H L H L H L L L L L L L L L L L L L L L L H L L L L H L L L L H L L L L H L L L L L L L L L L L L L L L L H H H H H H H H L L X L L L H X L H X X L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L H L L L L H L L L L L L L L L L H H H H L L L L L L L L L L H H L H L H L H H H H L H H H H L H H H H L H H H H H H H H H H H H H H H H H H H H H H H H L L L L L L L L H H H H L L L L H H H H L L H H L H L H H H H H H H H H H H H H H H H H L H H H H L H H H H L H H H H L H H H H H H H H L L L L L L L L H H H H H H H H L L X H L L H X L H X X H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H L H H H H L H H = = = = Outputs equal P input High voltage level Low voltage level Don’t care High impedance “off” state 1989 Jan 20 2 OPERATING MODE High Impedance Disable Active A i Hi High h output (P = L) A i L Active Low output (P = H) Philips Semiconductors Product specification 1-of-10 decoder (3-State) 74F537 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.) PARAMETER SYMBOL RATING UNIT V VCC Supply voltage –0.5 to +7.0 VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5.0 mA VOUT Voltage applied to output in High output state –0.5 to +VCC V IOUT Current applied to output in Low output state 48 mA Tamb Operating free-air temperature range 0 to +70 °C Tstg Storage temperature –65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL LIMITS PARAMETER MIN NOM MAX 5.0 5.5 VCC Supply voltage 4.5 VIH High-level input voltage 2.0 VIL Low-level input voltage IIK IOH IOL Low-level output current Tamb Operating free-air temperature range UNIT V V 0.8 V Input clamp current –18 mA High-level output current –3.0 mA 24 mA 70 °C 0 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL PARAMETER TEST CONDITIONS1 VOH O High level output voltage High-level VCC = MIN, VIL = MAX, VIH = MIN, IOH = MAX VOL Low-level output voltage VCC = MIN, VIL = MAX, VIH = MIN, IOL = MAX VIK Input clamp voltage LIMITS MIN ±10%VCC 2.4 ±5%VCC 2.7 ±10%VCC TYP2 MAX UNIT V 3.3 V 0.35 0.50 V 0.35 0.50 V –0.73 –1.2 V VCC = MAX, VI = 7.0V 100 µA VCC = MAX, VI = 2.7V 20 µA ±5%VCC VCC = MIN, II = IIK IIH Input current at maximum input voltage High-level input current IIL Low-level input current VCC = MAX, VI = 0.5V –0.6 mA IOZH Off-state current High-level voltage applied VCC = MAX, VO = 2.7V 50 µA IOZL Off-state current Low-level voltage applied VCC = MAX, VO = 0.5V –50 µA IOS Short-circuit output current3 –150 mA II VCC = MAX –60 ICC Supply current (total) VCC = MAX 44 66 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value under the recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. 3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any sequence of parameter tests, IOS should be performed last. 1989 Jan 20 3 Philips Semiconductors Product specification 1-of-10 decoder (3-State) 74F537 AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER Tamb = +25°C VCC = +5.0V CL = 50pF, RL = 500Ω TEST CONDITIONS Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω UNIT MIN TYP MAX MIN MAX Waveform 1 4.5 3.0 9.0 7.5 14.0 11.0 4.5 3.0 16.0 12.0 ns ns Propagation delay E0 to Qn Waveform 2 4.0 3.0 8.0 8.0 11.0 11.0 4.0 3.0 12.0 12.0 ns ns tPLH tPHL Propagation delay E1 to Qn Waveform 2 6.0 4.0 8.5 8.5 11.5 11.5 6.0 4.0 13.0 12.5 ns ns tPLH tPHL Propagation delay P to Qn Waveform 1 5.0 3.5 12.5 6.5 16.0 10.0 5.0 3.5 17.0 11.0 ns ns tPZH tPZL Output Enable time OE to Qn Waveform 3 Waveform 4 2.5 4.0 4.5 5.5 7.0 8.0 2.5 4.0 8.0 9.0 ns ns tPHZ tPLZ Output Disable time OE to Qn Waveform 3 Waveform 4 1.5 2.0 3.0 4.0 6.0 6.5 1.0 2.0 7.0 7.0 ns ns tPLH tPHL Propagation delay An to Qn tPLH tPHL AC WAVEFORMS For all waveforms, VM = 1.5V. An, P, E0, E1 VM VM tPLH tPHL VM Qn E0, E1 VM VM tPHL tPLH VM Qn VM VM SF01008 SF01009 Waveform 1. Propagation Delay for Non-Inverting Outputs OE VM OE VM tPZH Qn Waveform 2. Propagation Delay for Inverting Outputs tPHZ VOH -0.3V VM tPZL Qn VM 0V tPLZ VM VOL +0.3V SF01011 SF01010 Waveform 3. 3-State Output Enable Time to High Level and Output Disable Time from High Level 1989 Jan 20 VM Waveform 4. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level 4 Philips Semiconductors Product specification 1-of-10 decoder (3-State) 74F537 TEST CIRCUIT AND WAVEFORM VCC 7.0V VIN RL VOUT PULSE GENERATOR tw 90% NEGATIVE PULSE VM CL AMP (V) VM 10% D.U.T. RT 90% 10% tTHL (tf ) tTLH (tr ) tTLH (tr ) tTHL (tf ) 0V RL AMP (V) 90% 90% Test Circuit for 3-State Outputs POSITIVE PULSE VM VM 10% TEST tPLZ tPZL All other SWITCH closed closed open DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. 10% tw SWITCH POSITION 0V Input Pulse Definition INPUT PULSE REQUIREMENTS family amplitude VM 74F 3.0V 1.5V rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns SF00777 1989 Jan 20 5