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参数资料
| 型号： | MPC952FAR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | LVCMOS/LVTTL SERIES, PLL BASED CLOCK DRIVER, 11 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封装： | PLASTIC, LQFP-32 |
| 文件页数： | 2/6页 |
| 文件大小： | 97K |
| 代理商： | MPC952FAR2 |
MPC952
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
169
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)
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
2
PLL_En
VCCO
Qb2
Qb3
GNDO
Qc0
Qc1
VCCO
Qa2
Qa1
GNDO
Qa0
VCCI
VCCA
GNDO
Qb1
Qb0
VCCO
Qa4
Qa3
GNDO
VCO_Sel
fselc
fselb
fsela
MR/OE
REFCLK
GNDI
FBin
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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