74lvq161 STMicroelectronics, 74lvq161 Datasheet - Page 6

• Manufacturer Part Number: 74lvq161
• Description: Synchronous Presettable 4-bit Counter
• Manufacturer: STMicroelectronics

74LVQ161
Table 9: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
Figure 5: Test Circuit
C
R
R
Figure 6: Waveform - Propagation Delays, Count Mode (f=1MHz; 50% duty cycle)
6/14
Symbol
L
L
T
= 50pF or equivalent (includes jig and probe capacitance)
= 500
= Z
C
PD
C
PD
IN
OUT
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
of pulse generator (typically 50 )
or equivalent
Input Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
V
3.3
3.3
(V)
CC
Test Condition
f
IN
= 10MHz
Min.
T
A
Typ.
= 25°C
16
4
Max.
CC(opr)
Value
-40 to 85°C
Min.
= C
Max.
PD
x V
CC
-55 to 125°C
Min.
x f
IN
+ I
CC
Max.
/n (per circuit)
Unit
pF
pF