 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
54AC299 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
|
|
||||||||||||||||||||||||||||||
54AC299 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
|
|
6 / 10 page 
DC Electrical Characteristics (Continued) Note 6: ICC limit for 54ACT @ 25˚C is identical to 74ACT @ 25˚C. Note 7: All outputs loaded; thresholds on input associated with output under test. Note 8: Maximum test duration 2.0 ms, one output loaded at a time. Capacitance Symbol Parameter Typ Units Conditions C IN Input Capacitance 4.5 pF V CC = 5.0V C PD Power Dissipation 170 pF V CC = 5.5V Capacitance AC Electrical Characteristics 54AC V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 9) C L = 50 pF Min Max f max Maximum Input 3.3 70 MHz Frequency 5.0 80 t PLH Propagation Delay 3.3 1.0 25.5 CP to Q 0 or Q7 5.0 1.0 17.5 ns (Shift Left or Right) t PHL Propagation Delay 3.3 1.0 26.5 CP to Q 0 or Q7 5.0 1.0 18.0 ns (Shift Left or Right) t PLH Propagation Delay 3.3 1.0 24.5 ns CP to I/O n 5.0 1.0 17.0 t PHL Propagation Delay 3.3 1.0 26.5 ns CP to I/O n 5.0 1.0 18.5 t PHL Propagation Delay 3.3 1.0 27.0 ns MR to Q 0 or Q7 5.0 1.0 18.5 t PHL Propagation Delay 3.3 1.0 26.5 ns MR to I/O n 5.0 1.0 18.0 t PZH Output Enable Time 3.3 1.0 22.0 ns OE to I/O n 5.0 1.0 15.0 t PZL Output Enable Time 3.3 1.0 23.5 ns OE to I/O n 5.0 1.0 16.0 t PHZ Output Disable Time 3.3 1.0 22.5 ns OE to I/O n 5.0 1.0 17.0 t PLZ Output Disable Time 3.3 1.0 21.5 ns OE to I/O n 5.0 1.0 16.0 Note 9: Voltage Range 3.3 is 3.3V ±0.3V. Voltage Range 5.0 is 5.0V ±0.5V. www.national.com 6 |
English ▼
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
