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74LCX16541 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. 74LCX16541
Description  LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS/OUTPUTS (NON INVERTED)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74LCX16541 Datasheet(HTML) 5 Page - STMicroelectronics

   
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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
TEST CIRCUIT
CL = 50 pF or equivalent (includes jig and probe capacitance)
RL =R1 = 500 Ω or equivalent
RT =ZOUT of pulse generator (typically 50Ω)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA =25°C
Min.
Typ.
Max.
CIN
Input Capacitance
3.3
VI =0V orVCC
4pF
COUT
Output Capacitance
3.3
VI =0V orVCC
10
pF
CPD
Power Dissipation Capacitance
(note 1) Output enabled
2.5
fIN = 10MHz
VI =0V orVCC
45
pF
3.3
50
Power Dissipation Capacitance
(note 1) Output disabled
2.5
fIN = 10MHz
VI =0V orVCC
3pF
3.3
4
TEST
SWITCH
tPLH,tPHL
Open
tPZL,tPLZ
2VCC
tPZH,tPHZ
GND


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