SEMICONDUCTOR TECHNICAL DATA
P SUFFIX
PLASTIC DIP
CASE 707
Interfaces with Single–Modulus Prescalers
18
The MC145155–2 is programmed by a clocked, serial input, 16–bit data
stream. The device features consist of a reference oscillator, selectable–refer-
ence divider, digital–phase detector, 14–bit programmable divide–by–N
counter, and the necessary shift register and latch circuitry for accepting serial
input data.
The MC145155–2 is an improved–performance drop–in replacement for the
MC145155–1. Power consumption has decreased and ESD and latch–up
performance have improved.
1
DW SUFFIX
SOG PACKAGE
CASE 751D
20
1
ORDERING INFORMATION
MC145155P2
MC145155DW2 SOG Package
Plastic DIP
•
•
•
•
•
•
•
•
Operating Temperature Range: – 40 to 85°C
Low Power Consumption Through Use of CMOS Technology
3.0 to 9.0 V Supply Range
On– or Off–Chip Reference Oscillator Operation with Buffered Output
Compatible with the Serial Peripheral Interface (SPI) on CMOS MCUs
Lock Detect Signal
Two Open–Drain Switch Outputs
8 User–Selectable ÷ R Values: 16, 512, 1024, 2048, 3668, 4096, 6144,
8192
Single Modulus/Serial Programming
÷ N Range = 3 to 16383
“Linearized” Digital Phase Detector Enhances Transfer Function Linearity
Two Error Signal Options: Single–Ended (Three–State) or Double–Ended
Chip Complexity: 6504 FETs or 1626 Equivalent Gates
PIN ASSIGNMENTS
PLASTIC DIP
RA1
RA2
1
2
3
4
5
6
18
17
16
15
14
13
RA0
OSC
OSC
in
•
•
•
•
•
φ
V
out
out
φ
REF
R
V
SW2
SW1
ENB
DATA
CLK
DD
out
PD
V
7
8
9
12
11
10
SS
LD
f
in
SOG PACKAGE
RA1
RA2
1
2
20
19
RA0
OSC
OSC
in
φ
3
4
18
17
V
out
out
φ
REF
NC
R
V
5
6
16
15
DD
PD
V
SW2
SW1
ENB
DATA
CLK
out
SS
7
14
13
12
11
NC
LD
8
9
f
10
in
NC = NO CONNECTION
REV 1
8/95
Motorola, Inc. 1995
MOTOROLA
MC145151–2 through MC145158–2
9
MOTOROLA [ MOTOROLA ]
