M54HC163 STMicroelectronics, M54HC163 Datasheet - Page 7

• Manufacturer Part Number: M54HC163
• Description: RAD-HARD SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
• Manufacturer: STMicroelectronics

CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
TEST CIRCUIT
C
R
WAVEFORM 1: PROPAGATION DELAY TIMES, MINIMUM PULSE WIDTH (COUNT MODE)
(f=1MHz; 50% duty cycle)
Symbol
L
T
= 50pF or equivalent (includes jig and probe capacitance)
= Z
C
C
PD
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 )
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
V
(V)
5.0
5.0
CC
Test Condition
Min.
T
A
Typ.
= 25°C
50
5
Max.
10
Value
Min.
-40 to 85°C
CC(opr)
= C
Max.
10
PD
x V
-55 to 125°C
Min.
CC
x f
IN
M54HC163
Max.
+ I
10
CC
Unit
pF
pF
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