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| MC54/74F125 MC54/74F126 3-STATE QUAD BUFFERS * High Impedance NPN Base Inputs for Reduced Loading QUAD BUFFERS, 3-STATE MC54/74F125 VCC 14 4C 13 4A 12 4Y 11 3C 10 3A 9 3Y 8 FASTTM SHOTTKY TTL J SUFFIX CERAMIC CASE 632-08 14 1 1C 2 1A 3 1Y 4 2C 5 2A 6 2Y 7 GND 1 MC54/74F126 VCC 14 4C 13 4A 12 4Y 11 3C 10 3A 9 3Y 8 14 1 N SUFFIX PLASTIC CASE 646-06 14 1 D SUFFIX SOIC CASE 751A-02 1 1C 2 1A 3 1Y 4 2C 5 2A 6 2Y 7 GND ORDERING INFORMATION MC54FXXXJ MC74FXXXN MC74FXXXD Ceramic Plastic SOIC GUARANTEED OPERATING RANGES Symbol VCC TA Supply Voltage Operating Ambient Temperature Range Parameter 54, 74 54 74 IOH IOL Output Current -- High 54 74 Output Current -- Low 54 74 Min 4.5 -55 0 Typ 5.0 25 25 Max 5.5 125 70 -12 -15 48 64 mA mA Unit V C FAST AND LS TTL DATA 4-48 MC54/74F125 * MC54/74F126 Function Table MC54/74F125 Inputs C L L H A L H X Output Y L H Z Function Table MC54/74F126 Inputs C H H L A L H X Output Y L H Z L = LOW Voltage Level H = HIGH Voltage Level X = Don't Care Z = High Impedance (off) DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol VIH VIL VIK Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage 54,74 74 VOH Output HIGH Voltage 54 74 54 VOL IOZH IOZL IIH Output LOW Voltage 74 Output Off Current HIGH Output Off Current LOW Input HIGH Current 0.55 50 -50 20 100 IIL IOS Input LOW Current Output Short Ciru`cuit Current Note 2 ICCH F125 ICCL ICCZ ICC F126 ICCH ICCL ICCZ -100 -20 -225 24 40 35 mA 30 48 39 VCC = MAX A A mA V A A 2.0 2.0 0.55 V V V 2.4 2.7 3.4 3.4 Min 2.0 0.8 -1.2 Typ Max Unit V V V V V Test Conditions Guaranteed Input HIGH Voltage Guaranteed Input LOW Voltage IIN = -18 mA IOH = -3.0 mA IOH = -3.0 mA IOH = -12 mA IOH = -15 mA IOL = 48 mA IOL = 64 mA VOUT = 2.7 V VOUT = 0.5 V VIN = 2.7 V VIN = 7.0 V VIN = 0.5 V VOUT = GND VCC = MAX VCC = MAX VCC = MAX VCC = 0 V VCC = MAX VCC = MAX VCC = MAX VCC = MIN VCC = 4.50 V VCC = 4.75 V VCC = 4.50 V NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type. 2. Not more than one output should be shorted at a time, nor for more than 1 second. FAST AND LS TTL DATA 4-49 MC54/74F125 * MC54/74F126 AC ELECTRICAL CHARACTERISTICS 54/74F TA = +25 C VCC = +5.0 V CL = 50 pF Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Parameter Propagation Delay, nA to nY Output Enable Time to HIGH and LOW level Output Disable Time from HIGH and LOW level Propagation Delay, nA to nY Output Enable Time to HIGH and LOW level Output Disable Time from HIGH and LOW level F126 F125 Min 1.5 3.0 3.0 3.0 1.5 1.5 1.5 3.0 3.0 3.0 2.0 3.0 Typ 4.0 5.5 5.5 6.0 3.5 3.5 4.0 5.5 6.0 6.0 4.5 5.5 Max 6.0 7.5 7.5 8.0 5.0 5.5 6.5 8.0 7.5 8.0 6.5 7.5 54F TA = 0C to 70C VCC = 5.0 V 10% CL = 50 pF Min 1.5 3.0 3.0 3.0 1.5 1.5 1.5 3.0 3.0 3.0 2.0 3.0 Max 7.5 9.0 9.5 10 7.0 7.0 8.0 9.5 9.5 9.5 8.5 9.0 74F TA = 0C to + 70C VCC = 5.0 V 10% CL = 50 pF Min 1.5 3.0 3.0 3.0 1.5 1.5 1.5 3.0 3.0 3.0 2.0 3.0 Max 6.5 8.0 8.5 9.0 6.0 6.0 7.0 8.5 8.5 8.5 7.5 8.0 ns ns ns ns ns Unit ns FAST AND LS TTL DATA 4-50 |
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