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74F642 Datasheet(PDF) 5 Page - NXP Semiconductors |
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74F642 Datasheet(HTML) 5 Page - NXP Semiconductors |
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5 / 10 page  Philips Semiconductors Product specification 74F641/74F642* Transceivers 1999 Jan 08 5 * Discontinued part. Please see the Discontinued Products List. 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.) SYMBOL PARAMETER RATING UNIT VCC Supply voltage –0.5 to +7.0 V VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5 mA VOUT Voltage applied to output in High output state –0.5 to +VCC V IOUT Current applied to output in Low output state A0–A7 48 mA IOUT Current a lied to out ut in Low out ut state B0–B7 128 mA Tamb Operating free-air temperature range 0 to +70 °C Tstg Storage temperature range –65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER LIMITS UNIT SYMBOL PARAMETER MIN NOM MAX UNIT VCC Supply voltage 4.5 5.0 5.5 V VIH High-level input voltage 2.0 V VIL Low-level input voltage 0.8 V IIK Input clamp current –18 mA IOH High-level output current 4.5 V IOL Low-level output current A0–A7 24 mA IOL Low-level out ut current B0–B7 64 mA Tamb Operating free-air temperature range 0 70 °C DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) NO TAG LIMITS SYMBOL PARAMETER TEST CONDITIONSNO TAG MIN TYP NO TAG MAX UNIT IOH High-level output current VCC = MIN, VIL = MAX, VIH = MIN, VOH = MAX 250 µA A0–A7 V MIN IOL = 24mA ±10%VCC 0.35 0.50 V VOL Low-level output voltage A0–A7 VCC = MIN, VIL = MAX IOL = 24mA ±5%VCC 0.35 0.50 V VOL Low-level out ut voltage B0–B7 VIL = MAX, VIH = MIN, IOL = 48mA ±10%VCC 0.38 0.55 V B0–B7 IH , IOL = 64mA ±5%VCC 0.42 0.55 V VIK Input clamp voltage VCC = MIN, II = IIK –0.73 –1.2 V II Input current at maximum T/R, OE VCC = 0.0V, VI = 7.0V 100 µA II input voltage An, Bn VCC = 5.5V, VI = 5.5V 1 mA IIH High-level input current T/R, OE VCC = MAX VI =2 7V 40 µA IIH High-level in ut current An, Bn VCC = MAX, VI = 2.7V 20 µA IIL Low-level input current T/R, OE VCC = MAX VI =0 5V –40 µA IIL Low-level in ut current An, Bn VCC = MAX, VI = 0.5V –20 µA 74F641 ICCH An=T/R=4.5, OE=GND 60 90 mA ICC Supply current 74F641 ICCL VCC = MAX T/R=4.5V, An=OE=GND 78 120 mA ICC y (total) 74F642 ICCH VCC = MAX An=T/R=OE=4.5V 37 55 mA 74F642 ICCL An=T/R=4.5V, OE=GND 67 98 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. |
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