MC145190 Datasheet, PDF (5/24 Pages) Motorola, Inc – 1.1GHz PLL Frequency Synthesizers

SWITCHING WAVEFORMS
tf
tr
90%
CLK 50%
10%
OUTPUT A
(DATA OUT)
90%
50%
10%
tw
1/fclk
tPLH
tTLH
tw
tPHL
tTHL
Figure 1.
VDD
ENB
50%
GND
tPLH tPHL
OUTPUT A
50%
tPLZ
tPZL
OUTPUT B
10%
Figure 2.
VDD
GND
50%
VALID
Din
50%
tsu
th
CLK
50%
Figure 3.
tw
VDD
ENB _50%
tw
VDD
GND
tsu
VDD
GND
CLK
50%
FIRST
CLK
th
LAST
CLK
GND
trec
VDD
GND
Figure 4.
TEST POINT
DEVICE
UNDER
TEST
CL^*
*Includes all probe and fixture capacitance.
Figure 5. Test Circuit
DEVICE
UNDER
TEST
V+
TEST POINT
7.5 kΩ
CL^*
*Includes all probe and fixture capacitance.
Figure 6. Test Circuit
MOTOROLA
MC145190•MC145191
5