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9 / 8 page 9397 750 14756 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 20 April 2005 9 of 19 Philips Semiconductors 74ABT544 Octal latched transceiver with dual enable; inverting; 3-state tPHZ output disable time from HIGH-level OEBA to An, OEAB to Bn see Figure 7 2.0 3.3 4.3 ns EBA to An, EAB to Bn see Figure 7 2.1 3.4 4.5 ns tPLZ output disable time from LOW-level OEBA to An, OEAB to Bn see Figure 8 2.0 2.8 5.8 ns EBA to An, EAB to Bn see Figure 8 2.0 3.0 6.2 ns tsu(H) set-up time HIGH An to LEAB, Bn to LEBA see Figure 9 3.0 1.5 - ns An to EAB, Bn to EBA see Figure 9 3.0 1.5 - ns tsu(L) set-up time LOW An to LEAB, Bn to LEBA see Figure 9 3.0 0.6 - ns An to EAB, Bn to EBA see Figure 9 3.0 0.6 - ns th(H) hold time HIGH An to LEAB, Bn to LEBA see Figure 9 0.5 −0.3 - ns An to EAB, Bn to EBA see Figure 9 0.5 −0.2 - ns th(L) hold time LOW An to LEAB, Bn to LEBA see Figure 9 0.5 −1.3 - ns An to EAB, Bn to EBA see Figure 9 0.5 −1.3 - ns twL pulse width LOW LEAB and LEBA see Figure 9 3.5 1.8 - ns Tamb = −40 °C to +85 °C; VCC = 5.0 V ± 0.5 V tPLH propagation delay An to Bn, Bn to An see Figure 5 1.7 - 4.7 ns LEBA to An, LEAB to Bn see Figure 5 and 6 2.1 - 5.2 ns tPHL propagation delay An to Bn, Bn to An see Figure 5 2.4 - 5.2 ns LEBA to An, LEAB to Bn see Figure 5 and 6 3.0 - 6.2 ns tPZH output enable time to HIGH-level OEBA to An, OEAB to Bn see Figure 7 1.8 - 4.7 ns EBA to An, EAB to Bn see Figure 7 1.9 - 5.0 ns tPZL output enable time to LOW-level OEBA to An, OEAB to Bn see Figure 8 2.9 - 6.1 ns EBA to An, EAB to Bn see Figure 8 3.1 - 6.5 ns tPHZ output disable time from HIGH-level OEBA to An, OEAB to Bn see Figure 7 2.0 - 4.9 ns EBA to An, EAB to Bn see Figure 7 2.1 - 5.2 ns tPLZ output disable time from LOW-level OEBA to An, OEAB to Bn see Figure 8 2.0 - 6.3 ns EBA to An, EAB to Bn see Figure 8 2.0 - 6.7 ns Table 8: Dynamic characteristics …continued GND = 0 V; for test circuit see Figure 10. Symbol Parameter Conditions Min Typ Max Unit |
Số phần tương tự - 74ABT544DB |
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Mô tả tương tự - 74ABT544DB |
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