MC74HC4046A Datasheet, PDF (6/15 Pages) ON Semiconductor – Phase-Locked Loop

MC74HC4046A
SWITCHING WAVEFORMS
SIGIN, COMPIN
INPUTS
50%
tPHL
tPLH
PCPOUT, PC1OUT
PC3OUT
OUTPUTS
tTHL
90%
50%
10%
Figure 1.
VCC
GND
tTLH
SIGIN
INPUT ^50%
COMPIN
INPUT
50%
PC2OUT
OUTPUT
tPZH
50%
tPHZ
90%
Figure 2.
VCC
GND
VCC
GND
VOH
HIGH
IMPEDANCE
SIGIN
INPUT
50%
COMPIN
INPUT ^50%
tPZL
PC2OUT
50%
OUTPUT
tPLZ
10%
Figure 3.
VCC
GND
VCC
GND
HIGH
IMPEDANCE
VOL
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*INCLUDES ALL PROBE AND JIG CAPACITANCE
Figure 4. Test Circuit
MOTOROLA
3–6
High–Speed CMOS Logic Data
DL129 — Rev 6