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54LVTH245A Datasheet(PDF) 4 Page - Maxwell Technologies |
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54LVTH245A Datasheet(HTML) 4 Page - Maxwell Technologies |
4 / 9 page 4 All data sheets are subject to change without notice ©2001 Maxwell Technologies All rights reserved. 3.3V ABT Octal Bus Transceiver with 3-State Output 54LVTH245A 12.19.01 Rev 1 1000597 Supply Current I CC V CC = 3.6V Outputs high -- 0.39 mA I O = 0 Outputs low -- 14 V I = VCC or GND Outputs disabled -- 0.39 Delta Supply Current ∆I CC 1 V CC = 3V to 3.6V, One input at VCC -0.6V, Other inputs at V CC or GND -- 0.2 mA Input Capacitance C I 2 V I = 3V or 0 -- 8 pF Input Output Capacitance C O 2 V O = 3V or 0 -- 15 pF 1. This is the increase in supply current for each input that is at the specified TTL voltage level rather than V CC or GND. 2. Guaranteed by design. TABLE 6. 54LVTH245A AC ELECTRICAL CHARACTERISTICS (V CC = 3.3V ±10%, TA = -55 RO 125°C, UNLESS OTHERWISE NOTED) PARAMETER SYMBOL V CC = 3.3V ± 0.3V V CC = 2.7V UNIT MIN MAX MIN MAX Propagation Delay Time A orB to B or A t PLH 0.7 3.7 -- 4.2 ns t PHL 0.7 3.7 -- 4.2 Output Enable Time OE to A or B t PZH 1.2 5.7 -- 7.4 ns t PZL 1.6 5.7 -- 6.8 Output Disable Time OE to A or B t PHZ 1.8 6.2 -- 6.8 ns t PLZ 1.8 5.3 -- 5.5 TABLE 7. FUNCTION TABLE INPUTS OPERATION OE DIR L L B data to A bus l H A data to B bus HX Isolation TABLE 5. 54LVTH245A ELECTRICAL CHARACTERISTICS (V CC = 3.3V ±10%, TA = -55 to +125°C, UNLESS OTHERWISE SPECIFIED) PARAMETER SYMBOL TEST CONDITIONS MIN MAX UNIT |
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