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74ALVCH16374 数据表(PDF) 6 Page - STMicroelectronics |
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74ALVCH16374 数据表(HTML) 6 Page - STMicroelectronics |
6 / 11 page 74ALVCH16374 6/11 CAPACITIVE CHARACTERISTICS 1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC/16 (per circuit) TEST CIRCUIT RT =ZOUT of pulse generator (typically 50Ω) TEST CIRCUIT AND WAVEFORM SYMBOL VALUE Symbol Parameter Test Condition Value Unit VCC (V) TA =25°C Min. Typ. Max. CIN Input Capacitance Control Inputs 3.3 VIN =VCC or GND 3pF CIN Input Capacitance Data Inputs 3.3 VIN =VCC or GND 6pF COUT Output Capacitance 3.3 VIN = 0 to VCC 7pF CPD Power Dissipation Capacitance Output enabled (note 1) 3.3 fIN = 10MHz CL=50pF VIN = 0 or VCC 19 pF 2.5 16 CPD Power Dissipation Capacitance Output disabled (note 1) 3.3 5 2.5 4 TEST SWITCH tPLH,tPHL Open tPZL,tPLZ (VCC = 3.0 to 3.6V) 6V tPZL,tPLZ (VCC = 2.3 to 2.7V) 2VCC tPZH,tPHZ GND Symbol VCC 3.0 to 3.6V 2.7V 2.3 to 2.7V 1.65 to 1.95V VIH 2.7V 2.7V VCC VCC VM 1.5V 1.5V VCC/2 VCC/2 VX VOL +0.3V VOL +0.3V VOL +0.15V VOL +0.15V VY VOH -0.3V VOH -0.3V VOH -0.15V VOH -0.15V CL 50pF 50pF 30pF 30pF RL=R1 500 Ω 500 Ω 500 Ω 1000 Ω tr =tr <2.5ns <2.5ns <2.0ns <2.0ns |
类似零件编号 - 74ALVCH16374 |
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类似说明 - 74ALVCH16374 |
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