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参数资料
| 型号： | 9LPRS462AGLFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 240 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-8 |
| 文件页数： | 1/23页 |
| 文件大小： | 248K |
| 代理商： | 9LPRS462AGLFT |
ICS9LPRS462
IDTTM/ICSTM
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
1378A—04/07/08
Low Power Clock for ATI RS/RD600 series chipsets for
AMD CPUs
DATASHEET
1
Description
Output Features
ATI RD/RS600 series systems using AMD CPUs
Integrated Series Resistors on differential outputs
Greyhound Compatible CPU outputs
2 - 0.7V Low Power differential CPU pairs
8 - 0.7V Low Power differential SRC pairs
4 - 0.7V Low Power differential ATIG pairs
1 - 66 MHz HyperTransport clock
2 - 48MHz USB clocks
3 - 14.318MHz Reference clocks
Features/Benefits:
Key Specifications
CPU outputs cycle-to-cycle jitter <150ps
SRC outputs cycle-to-cycle jitter < 125ps
ATIG outputs cycle-to-cycle jitter < 125ps
+/- 100ppm frequency accuracy on all outputs if REF is
tuned to +/-100ppm
3 - Programmable Clock Request pins for SRC and ATIG
clocks
ATIGCLKs are programmable for frequency
Spread Spectrum for EMI reduction
Outputs may be disabled via SMBus
External crystal load capacitors for maximum frequency
accuracy
Pin Configuration
VDD
GND
5
8
USB_48 outputs
14,23,26,36 15,22,27,37
SRCCLK outputs
33
32
ATIGCLK differential outputs
42
41
Analog, PLL
46
45
CPUCLK8 differential outputs
52
50
HTTCLK output
2
1
REF outputs
Pin Number
Description
FS2
FS1
FS0
CPU
MHz
HTT
MHz
SRC
MHz
ATIG
MHz
USB
MHz
00
0Hi-Z
Hi-Z
100.00
48.00
0
1
X / 2
X / 3
100.00
48.00
0
1
0
230.00
76.67
100.00
48.00
0
1
240.00
80.00
100.00
48.00
1
0
100.00
66.66
100.00
48.00
1
0
1
133.33
66.66
100.00
48.00
1
0
166.67
66.66
100.00
48.00
1
200.00
66.66
100.00
48.00
Funtionality
Power Groups
GNDREF 1
64 FS0/REF0
VDDREF 2
63 FS1/REF1
X1 3
62 FS2/REF2
X2 4
61 **PD
VDD48 5
60 VDDHTT
48MHz_0 6
59 HTTCLK0
48MHz_1 7
58 GNDHTT
GND48 8
57 *CLKREQA#
SMBCLK 9
56 CPUKG0T_LPR
SMBDAT 10
55 CPUKG0C_LPR
RESET_IN# 11
54 VDDCPU
SRC7T_LPR 12
53 GNDCPU
SRC7C_LPR 13
52 CPUKG1T_LPR
VDDSRC 14
51 CPUKG1C_LPR
GNDSRC 15
50 VDDA
SRC6T_LPR 16
49 GNDA
SRC6C_LPR 17
48 NC
SRC5T_LPR 18
47 SRC0T_LPR
SRC5C_LPR 19
46 SRC0C_LPR
SRC4T_LPR 20
45 GNDSRC
SRC4C_LPR 21
44 VDDSRC
GNDSRC 22
43 SRC1T_LPR
VDDSRC 23
42 SRC1C_LPR
SRC3T_LPR 24
41 ATIG0T_LPR
SRC3C_LPR 25
40 ATIG0C_LPR
SRC2T_LPR 26
39 VDDATIG
SRC2C_LPR 27
38 GNDATIG
VDDSRC 28
37 ATIG1T_LPR
GNDSRC 29
36 ATIG1C_LPR
ATIG3T_LPR 30
35 ATIG2T_LPR
ATIG3C_LPR 31
34 ATIG2C_LPR
*CLKREQB#32
33*CLKREQC#
64-TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
9L
P
R
S
462
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