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74LVT244MSA 数据表(PDF) 5 Page - Fairchild Semiconductor |
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74LVT244MSA 数据表(HTML) 5 Page - Fairchild Semiconductor |
5 / 10 page ©1999 Fairchild Semiconductor Corporation www.fairchildsemi.com 74LVT244, 74LVTH244 Rev. 1.5.0 5 Dynamic Switching Characteristics(7) Notes: 7. Characterized in SOIC package. Guaranteed parameter, but not tested. 8. Max number of outputs defined as (n). n–1 data inputs are driven 0V to 3V. Output under test held LOW. AC Electrical Characteristics Notes: 9. All typical values are at VCC = 3.3V, TA = 25°C. 10. 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 specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. Capacitance(11) Note: 11. Capacitance is measured at frequency f = 1MHz, per MIL-STD-883, Method 3012. Symbol Parameter VCC (V) Conditions TA = 25°C Units CL = 50pF, RL = 500Ω Min. Typ. Max. VOLP Quiet Output Maximum Dynamic VOL 3.3 (8) 0.8 V VOLV Quiet Output Minimum Dynamic VOL 3.3 (8) –0.8 V Symbol Parameter TA = –40°C to +85°C CL = 50pF, RL = 500Ω Units VCC = 3.3V ± 0.3V VCC = 2.7V Min. Typ.(9) Max. Min. Max. tPLH Propagation Delay, Data to Output 1.1 3.8 1.1 4.0 ns tPHL 1.3 3.9 1.3 4.2 tPZH Output Enable Time 1.1 4.5 1.1 5.3 ns tPZL 1.4 4.4 1.4 5.0 tPHZ Output Disable Time 1.9 4.9 1.9 5.1 ns tPLZ 1.8 4.4 1.8 4.4 tOSHL, tOSLH Output to Output Skew (10) 1.0 1.0 ns Symbol Parameter Conditions Typical Units CIN Input Capacitance VCC = 0V, VI = 0V or VCC 3pF COUT Output Capacitance VCC = 3.0V, VO = 0V or VCC 6pF |
类似零件编号 - 74LVT244MSA_08 |
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类似说明 - 74LVT244MSA_08 |
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