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MPC952 Datasheet(PDF) 2 Page - Motorola, Inc

Part # MPC952
Description  LOW VOLTAGE PLL CLOCK DRIVER
PDF  7 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MPC952 Datasheet(HTML) 2 Page - Motorola, Inc

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MPC952
MOTOROLA
ECLinPS and ECLinPS Lite
DL140 — Rev 3
2
Figure 1. MPC952 Logic Diagram
VCO
200–480MHz
PHASE
DETECTOR
LPF
fsela
VCO_Sel
FBin
÷4/÷6
Qa0
Qa1
Qa2
Qa3
Qa4
REFCLK
PLL_En
÷2
fselb
÷4/÷2
Qb0
Qb1
Qb2
Qb3
fselc
÷2/÷4
Qc0
Qc1
MR/OE
(Int Pull Down)
(Int Pull Down)
(Int Pull Down)
(Int Pull Down)
(Int Pull Down)
FUNCTION TABLES
fsela
Qan
fselb
Qbn
fselc
Qcn
0
1
÷4
÷6
0
1
÷4
÷2
0
1
÷2
÷4
Control Pin
Logic ‘0’
Logic ‘1’
VCO_Sel
fVCO
fVCO/2
MR/OE
Output Enable
High Z
PLL_En
Enable PLL
Disable PLL
Pin Name
Description
VCCA
PLL Power Supply
VCCO
Output Buffer Power Supply
VCCI
Internal Core Logic Power Supply
GNDI
Internal Ground
GNDO
Output Buffer Ground
PLL_En
VCCO
Qb2
Qb3
GNDO
GNDO
Qc0
Qc1
VCCO
VCCO
Qa2
Qa1
GNDO
Qa0
VCCI
VCCA
25
26
27
28
29
30
31
32
15
14
13
12
11
10
9
123456
78
24
23
22
21
20
19
18
17
16
MPC952
Figure 2. 32–Lead Pinout (Top View)



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