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74ABT646CSC bảng dữ liệu(PDF) 5 Page - Fairchild Semiconductor |
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74ABT646CSC bảng dữ liệu(HTML) 5 Page - Fairchild Semiconductor |
5 / 9 page 5 www.fairchildsemi.com DC Electrical Characteristics Note 6: Max number of outputs defined as (n). n − 1 data inputs are driven 0V to 3V. One output at LOW. Guaranteed, but not tested. Note 7: Max number of outputs defined as (n). n − 1 data inputs are driven 0V to 3V. One output HIGH. Guaranteed, but not tested. Note 8: Max number of data inputs (n) switching. n − 1 inputs switching 0V to 3V. Input-under-test switching: 3V to threshold (V ILD), 0V to threshold (VIHD). Guaranteed, but not tested. AC Electrical Characteristics (SOIC and SSOP package) AC Operating Requirements Symbol Parameter Min Typ Max Units VCC Conditions CL = 50 pF, RL = 500Ω VOLP Quiet Output Maximum Dynamic VOL 0.6 0.8 V 5.0 TA = 25°C (Note 6) VOLV Quiet Output Minimum Dynamic VOL −1.2 −0.9 V 5.0 TA = 25°C (Note 6) VOHV Minimum HIGH Level Dynamic Output Voltage 2.5 3.0 V 5.0 TA = 25° (Note 7) VIHD Minimum HIGH Level Dynamic Input Voltage 2.2 1.8 V 5.0 TA = 25°C (Note 8) VILD Maximum LOW Level Dynamic Input Voltage 0.8 0.5 V 5.0 TA = 25°C (Note 8) Symbol Parameter TA = +25°C TA = −55°C to +125°C TA = −40°C to +85°C Units VCC = +5.0V VCC = 4.5V–5.5V VCC = 4.5V–5.5V CL = 50 pF CL = 50 pF CL = 50 pF Min Typ Max Min Max Min Max fMAX Maximum Clock Frequency 200 200 200 MHz tPLH Propagation Delay 1.7 3.0 5.6 2.2 8.8 1.7 5.6 ns tPHL Clock to Bus 1.7 3.4 5.6 1.7 8.8 1.7 5.6 tPLH Propagation Delay 1.5 2.6 4.8 1.5 7.9 1.5 4.8 ns tPHL Bus to Bus 1.5 3.0 4.8 1.5 7.9 1.5 4.8 tPLH Propagation Delay 1.5 3.0 5.9 1.5 8.1 1.5 5.9 ns tPHL SBA or SAB to An to Bn 1.5 3.4 5.9 1.5 8.9 1.5 5.9 tPZH Enable Time 1.5 3.2 6.3 1.0 7.3 1.5 6.3 ns tPZL OE to Anor Bn 1.5 3.5 6.3 1.9 8.8 1.5 6.3 tPHZ Disable Time 1.5 3.7 6.0 1.5 9.3 1.5 6.0 ns tPLZ OE to Anor Bn 1.5 3.2 6.0 1.5 9.3 1.5 6.0 tPZH Enable Time 1.5 3.4 6.3 1.0 7.7 1.5 6.3 ns tPZL DIR to An or B n 1.5 3.7 6.3 2.2 9.5 1.5 6.3 tPHZ Disable Time 1.5 3.8 6.0 1.5 8.7 1.5 6.0 ns tPLZ DIR to An or B n 1.5 3.2 6.0 1.5 9.2 1.5 6.0 Symbol Parameter TA = +25°C TA = −55°C to +125°C TA = −40°C to +85°C Units VCC = +5.0V VCC = 4.5V–5.5V VCC = 4.5V–5.5V CL = 50 pF CL = 50 pF CL = 50 pF Min Max Min Max Min Max tS(H) Setup Time, HIGH 1.5 1.5 3.0 1.5 ns tS(L) or LOW Bus to Clock tH(H) Hold Time, HIGH 1.0 1.0 1.0 1.0 ns tH(L) or LOW Bus to Clock tW(H) Pulse Width, 3.0 3.0 4.0 3.0 ns tW(L) HIGH or LOW |
Số phần tương tự - 74ABT646CSC |
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Mô tả tương tự - 74ABT646CSC |
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