m54hc620m1r STMicroelectronics, m54hc620m1r Datasheet - Page 6

• Manufacturer Part Number: m54hc620m1r
• Description: Octal Transceiver Hc620 State Inverting Hc623 State Inverting
• Manufacturer: STMicroelectronics

M54/M74HC620/623
SWITCHING CHARACTERISTICS TEST WAVEFORM
TEST CIRCUIT I
6/11
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICSTEST.
CC
(Opr.)
C
PD
C
by using the measured value of I
test circuit opposite.
In determining the typical value of C
tively high frequency of 1 MHz was applied to f
in order to eliminate any error caused by the
quiescent supply current.
PD
CALCULATION
is to be calculated with the following formula
C
PD
=
I
f
CC
IN
x V
Opr .
CC
CC
(Opr.) in the
PD
GND
V CC
, a rela-
IN
,