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74LCX05 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. 74LCX05
Description  LOW VOLTAGE CMOS HEX INVERTER (OPEN DRAIN) WITH 5V TOLERANT INPUTS
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LCX05 Datasheet(HTML) 4 Page - STMicroelectronics

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Table 8: AC Electrical Characteristics
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn|)
2) Parameter guaranteed by design
Table 9: 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 x VCC x fIN + ICC/6 (per gate)
Figure 3: Test Circuit
CL = 50 pF or equivalent (includes jig and probe capacitance)
RL = R1 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
RL
(
Ω)
ts = tr
(ns)
-40 to 85 °C
-55 to 125 °C
Min.
Max.
Min.
Max.
tPLZ
Propagation Delay
Time
2.7
50
500
2.5
6.5
6.5
ns
3.0 to 3.6
1.0
5.2
1.0
5.2
tPZL
Propagation Delay
Time
2.7
50
500
2.5
6.5
6.5
ns
3.0 to 3.6
1.0
5.2
1.0
5.2
tOSLH
tOSHL
Output To Output
Skew Time (note1,
2)
3.0 to 3.6
50
500
2.5
1.0
1.0
ns
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25 °C
Min.
Typ.
Max.
CIN
Input Capacitance
3.3
VIN = 0 to VCC
6pF
COUT
Output Capacitance
3.3
VIN = 0 to VCC
14
pF
CPD
Power Dissipation Capacitance
(note 1)
3.3
fIN = 10MHz
VIN = 0 or VCC
5
pF
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
tPZH, tPHZ
GND


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