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74ABT2541CMSA Fiches technique(PDF) 4 Page - Fairchild Semiconductor |
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74ABT2541CMSA Fiches technique(HTML) 4 Page - Fairchild Semiconductor |
4 / 9 page www.fairchildsemi.com 4 Skew (SOIC Package) Note 12: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase (i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.) Note 13: These specifications guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load capacitors in the standard AC load. Note 14: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device. The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH (tOSLH), or any combination switching LOW-to-HIGH and/or HIGH- to -LOW (tOST). The specification is guaranteed but not tested. Note 15: This describes the difference between the delay of the LOW-to-HIGH and the HIGH-to-LOW transition on the same pin. It is measured across all the outputs (drivers) on the same chip, the worst (largest delta) number is the guaranteed specification. This specification is guaranteed but not tested. Note 16: Propagation delay variation for a given set of conditions (i.e., temperature and VCC) from device to device. This specification is guaranteed but not tested. Capacitance Note 17: COUT is measured at frequency f = 1 MHz; per MIL-STD-883, Method 3012. Symbol Parameter TA = −40°C to +85°CTA = −40°C to +85°C Units VCC = 4.5V–5.5V VCC = 4.5V–5.5V CL = 50 pF CL = 250 pF 8 Outputs Switching 8 Outputs Switching (Note 12) (Note 13) Max Max tOSHL Pin to Pin Skew 1.3 2.3 ns (Note 14) HL Transitions tOSLH Pin to Pin Skew 1.0 1.8 ns (Note 14) LH Transitions tPS Duty Cycle 2.0 5.0 ns (Note 15) LH–HL Skew tOST Pin to Pin Skew 2.0 5.0 ns (Note 14) LH/HL Transitions tPV Device to Device Skew 2.0 5.0 ns (Note 16) LH/HL Transitions Symbol Parameter Typ Units Conditions TA = 25°C CIN Input Capacitance 5.0 pF VCC = 0V COUT (Note 17) Output Capacitance 9.0 pF VCC = 5.0V |
Numéro de pièce similaire - 74ABT2541CMSA |
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Description similaire - 74ABT2541CMSA |
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