参数资料
型号: 951464YFLFT
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, PDSO56
封装: 0.30 INCH, 0.25 INCH HEIGHT, ROHS COMPLIANT, MO-118, SSOP-56
文件页数: 1/24页
文件大小: 242K
代理商: 951464YFLFT
ICS951464
IDTTM/ICSTM
Programmable System Clock Chip for ATI RS/RD690 K8TM - based Systems
1211B—09/17/09
Programmable System Clock Chip for ATI RS/RD690 K8
TM
- based Systems
1
Recommended Application:
ATI RS/RD690 systems using AMD K8 processors & SB600
Southbridge
Output Features:
2 - 0.7V current-mode differential CPU pairs
6 - 0.7V current-mode differential SRC pairs
2 - 0.7V current-mode differential ATIG pairs
1 - HyperTransport clock seed
2 - 48MHz USB clock
3 - 14.318MHz Reference clock
Pin Configuration
Key Specifications:
CPU outputs cycle-to-cycle jitter < 85ps
SRC outputs cycle-to-cycle jitter < 125ps
ATIG outputs cycle-to-cycle jitter < 125ps
+/- 300ppm frequency accuracy on CPU, SRC & ATIG
clocks
Features/Benefits:
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
GNDREF 1
56 FS0/REF0
VDDREF 2
55 FS1/REF1
X1 3
54 FS2/REF2
X2 4
53 **PD
VDD48 5
52 VDDHTT
48MHz_0 6
51 HTTCLK0
48MHz_1 7
50 GNDHTT
GND48 8
49 *CLKREQA#
SMBCLK 9
48 CPUCLK8T0
SMBDAT 10
47 CPUCLK8C0
RESET_IN# 11
46 VDDCPU
SRCCLKT7 12
45 GNDCPU
SRCCLKC7 13
44 CPUCLK8T1
VDDSRC 14
43 CPUCLK8C1
GNDSRC 15
42 VDDA
SRCCLKT6 16
41 GNDA
SRCCLKC6 17
40 IREF
SRCCLKT5 18
39 SRCCLKT0
SRCCLKC5 19
38 SRCCLKC0
SRCCLKT4 20
37 GNDSRC
SRCCLKC4 21
36 VDDSRC
GNDSRC 22
35 ATIGCLKT0
VDDSRC 23
34 ATIGCLKC0
SRCCLKT2 24
33 VDDATIG
SRCCLKC2 25
32 GNDATIG
VDDSRC 26
31 ATIGCLKT1
GNDSRC 27
30 ATIGCLKC1
*CLKREQB# 28
29 *CLKREQC#
56-Pin SSOP/TSSOP
Note: Pins preceeded by * have a 120 Kohm Internal Pull Up resistor
Pins preceeded by ** have a 120 Kohm Internal Pull Down resistor
951
464A
G
L
F
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951464YGLFT 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:Programmable System Clock Chip for ATI RS/RD690 K8TM - based Systems
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951466-2011309-AR-TP 功能描述:集管和线壳 66P BD STCK HDR 2R STRT SMT 10U AU RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector
951466-2011409-AR-PT 功能描述:集管和线壳 66P BD STCK HDR 2R STRT SMT 10U AU RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector
951466-2011409-AR-TP 功能描述:集管和线壳 66P BD STCK HDR 2R STRT SMT 10U AU RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector