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54ACQ244 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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54ACQ244 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 8 page DC Electrical Characteristics for ’ACTQ Family Devices (Continued) 54ACTQ Symbol Parameter V CC −55˚C to +125˚C Units Conditions (V) Guaranteed Limits I OLD Minimum Dynamic (Note 10) 5.5 50 mA V OLD = 1.65V Max I OHD Output Current 5.5 −50 mA V OHD = 3.85V Min I CC Maximum Quiescent 5.5 80.0 µA V IN = VCC Supply Current or GND (Note 11) V OLP Quiet Output 5.0 1.5 V (Notes 12, 13) Maximum Dynamic V OL V OLV Quiet Output 5.0 −1.2 V (Notes 12, 13) Minimum Dynamic V OL Note 9: All outputs loaded thresholds on input associated with output under test. Note 10: Maximum test duration 2.0 ms, one output loaded at a time. Note 11: ICC for 54ACTQ @ 25˚C is identical to 74ACTQ @ 25˚C. Note 12: Plastic DIP package. Note 13: Max number of outputs defined as (n). Data Inputs are driven 0V to 3V. One output @ GND. AC Electrical Characteristics 54ACQ V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 14) C L = 50 pF Min Max t PHL, tPLH Propagation Delay 3.3 1.0 12.5 ns Data to Output 5.0 1.0 9.0 t PZL, tPZH Output Enable Time 3.3 1.0 12.0 ns 5.0 1.0 10.0 t PHZ, tPLZ Output Disable Time 3.3 1.0 11.5 ns 5.0 1.0 10.0 Note 14: Voltage Range 5.0 is 5.0V ±0.5V. Voltage Range 3.3 is 3.3V ±0.3V. Note 15: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci- fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design. AC Electrical Characteristics 54ACTQ V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 16) C L = 50 pF Min Max t PHL,tPLH Propagation Delay 5.0 1.5 9.0 ns Data to Output t PZL,tPZH Output Enable Time 5.0 1.5 10.5 ns t PHZ,tPLZ Output Disable Time 5.0 1.5 10.5 ns Note 16: Voltage Range 5.0 is 5.0V ±0.5V. Note 17: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci- fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design. 5 www.national.com |
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