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74LVX3245TTR 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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74LVX3245TTR 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 7 page www.fairchildsemi.com 4 DC Electrical Characteristics (Continued) Note 3: Worst case package. Note 4: Max number of outputs defined as (n). Data inputs are driven 0V to VCC level; one output at GND. Note 5: Max number of Data Inputs (n) switching. (n −1) inputs switching 0V to V CC level. Input-under-test switching: VCC level to threshold (VIHD), 0V to threshold (VILD), f = 1 MHz. AC Electrical Characteristics Note 6: Voltage Range 3.3V is 3.3V ± 0.3V. Note 7: Voltage Range 5.0V is 5.0V ± 0.5V. Note 8: 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. Symbol Parameter VCCA VCCB TA = +25°CTA = −40°C to +85°C Units Conditions (V) (V) Typ Guaranteed Limits ∆I CC Maximum Bn 3.6 5.5 1.0 1.35 1.5 mA VI = VCCB − 2.1V ICCT/Input @ An, T/R, 3.6 5.5 0.35 0.5 mA VI = VCCA −0.6V OE ICCA Quiescent VCCA An = VCCA or GND Supply Current 3.6 5.5 5 50 µAB n = VCCB or GND, OE = GND, T/R = GND ICCB Quiescent VCCB An = VCCA or GND Supply Current 3.6 5.5 8 80 µAB n = VCCB or GND, OE = GND, T/R = V CCA VOLPA Quiet Output Maximum 3.3 5.0 0.8 V (Note 3) (Note 4) VOLPB Dynamic VOL 3.3 5.0 1.5 VOLVA Quiet Output Minimum 3.3 5.0 −0.8 V (Note 3) (Note 4) VOLVB Dynamic VOL 3.3 5.0 −1.2 VIHDA Minimum HIGH Level 3.3 5.0 2.0 V (Note 3) (Note 5) VIHDB Dynamic Input Voltage 3.3 5.0 2.0 VILDA Maximum LOW Level 3.3 5.0 0.8 V (Note 3) (Note 5) VILDB Dynamic Input Voltage 3.3 5.0 0.8 Symbol Parameters TA = +25°CTA = −40°C to +85°CTA = −40°C to +85°C Units CL = 50 pF CL = 50 pF CL = 50 pF VCCA = 3.3V (Note 6) VCCA = 3.3V (Note 6) VCCA = 2.7V VCCB = 5.0V (Note 7) VCCB = 5.0V (Note 7) VCCB = 5.0V (Note 7) Min Typ Max Min Max Min Max tPHL Propagation Delay 1.0 5.4 8.0 1.0 8.5 1.0 9.0 ns tPLH A to B 1.0 5.6 7.5 1.0 8.0 1.0 8.5 tPHL Propagation Delay 1.0 5.1 7.5 1.0 8.0 1.0 8.5 ns tPLH B to A 1.0 5.7 7.5 1.0 8.0 1.0 8.5 tPZL Output Enable 1.0 4.8 8.0 1.0 8.5 1.0 9.0 ns tPZH Time OE to B 1.0 6.3 8.5 1.0 9.0 1.0 9.5 tPZL Output Enable 1.0 6.3 8.5 1.0 9.0 1.0 9.5 ns tPZH Time OE to A 1.0 6.8 9.0 1.0 9.5 1.0 10.0 tPHZ Output Disable 1.0 5.3 7.5 1.0 8.0 1.0 8.5 ns tPLZ Time OE to B 1.0 4.2 7.0 1.0 7.5 1.0 8.0 tPHZ Output Disable 1.0 5.3 8.0 1.0 8.5 1.0 9.0 ns tPLZ Time OE to A 1.0 3.7 6.5 1.0 7.0 1.0 7.5 tOSHL Output to Output tOSLH Skew (Note 8) 1.0 1.5 1.5 1.5 ns Data to Output |
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