SEMICONDUCTOR TECHNICAL DATA
P SUFFIX
PLASTIC DIP
CASE 648
Interfaces with Single–Modulus Prescalers
16
1
The MC145157–2 has a fully programmable 14–bit reference counter, as well
as a fully programmable ÷ N counter. The counters are programmed serially
through a common data input and latched into the appropriate counter latch,
according to the last data bit (control bit) entered.
The MC145157–2 is an improved–performance drop–in replacement for the
MC145157–1. Power consumption has decreased and ESD and latch–up
performance have improved.
DW SUFFIX
SOG PACKAGE
CASE 751G
16
1
ORDERING INFORMATION
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Operating Temperature Range: – 40 to 85°C
Low Power Consumption Through Use of CMOS Technology
3.0 to 9.0 V Supply Range
Fully Programmable Reference and ÷ N Counters
÷ R Range = 3 to 16383
MC145157P2
Plastic DIP
MC145157DW2 SOG Package
PIN ASSIGNMENT
÷ N Range = 3 to 16383
f
V
and f Outputs
R
OSC
in
1
2
16
15
φ
R
Lock Detect Signal
Compatible with the Serial Peripheral Interface (SPI) on CMOS MCUs
“Linearized” Digital Phase Detector
Single–Ended (Three–State) or Double–Ended Phase Detector Outputs
Chip Complexity: 6504 FETs or 1626 Equivalent Gates
OSC
φ
V
out
f
3
4
14
13
REF
V
out
V
f
R
DD
out
PD
5
6
12
11
S/R
out
V
ENB
DATA
CLK
SS
LD
7
8
10
9
f
in
REV 1
8/95
Motorola, Inc. 1995
MOTOROLA
MC145151–2 through MC145158–2
17
MOTOROLA [ MOTOROLA ]
