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PI74STX1G79
SOTiny Gate STX Single Positive
Edge-Triggered D-Type Flip-Flop
AC Loading and Waveforms
V
CC
V
CC
A
CLK
QOUT
DIN
C
L
R
L
CLK
DIN
QOUT
C
L
includes load and stray capacitance
Input PRR = 1.0 MHz; t
W
= 500ns
Input = AC Waveform; t
r
= t
f
= 1.8ns;
PRR = 10 MHz; Duty Cycle = 50%
Figure 1. AC Test Circuit
t
r
= 3ns
t
f
= 3ns
Figure 2. I
CCD
Test Circuit
90%
CLK
50%
10%
t
W
90%
D
IN
10%
t
PLH
90%
50%
10%
V
CC
GND
V
CC
90%
10%
GND
V
OH
Q
OUT
50%
50%
V
OL
t
PHL
Figure 3. AC Waveforms
t
r
t
f
= t
r
<1.2ns
V
CC
t
WL
50%
t
WH
10%
GND
V
CC
90%
CLK
50%
10%
t
S
90%
Data
Input
50%
10%
t
H
90%
90%
50%
10%
GND
Figure 4. AC Waverforms
4
PS8569A
01/31/02
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
