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參數(shù)資料
| 型號： | ICS87931BYI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 87931 SERIES, PLL BASED CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBA, LQFP-32 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 166K |
| 代理商： | ICS87931BYI |
87931BYI
www.icst.com/products/hiperclocks.html
REV. A JUNE 23, 2003
1
Integrated
Circuit
Systems, Inc.
ICS87931I
LOW SKEW, 1-TO-6
LVCMOS/LVTTL CLOCK MULTIPLIER/ZERO DELAY BUFFER
GENERAL DESCRIPTION
The ICS87931I is a low voltage, low skew
LVCMOS/LVTTL Clock Multiplier/ Zero Delay
Buffer and a member of the HiPerClockS family
of High Performance Clock Solutions from ICS.
With output frequencies up to 150MHz, the
ICS87931I is targeted for high performance clock applications.
Along with a fully integrated PLL, the ICS87931I contains fre-
quency configurable outputs and an external feedback input for
regenerating clocks with “zero delay”.
Selectable clock inputs, CLK1 and differential CLK0, nCLK0
support redundant clock applications. The CLK_SEL input de-
termines which reference clock is used. The output divider val-
ues of Bank A, B and C are controlled by the DIV_SELA,
DIV_SELB and DIV_SELC, respectively.
For test and system debug purposes, the PLL_SEL input al-
lows the PLL to be bypassed. When LOW, the nMR input re-
sets the internal dividers and forces the outputs to the high im-
pedance state.
The effective fanout of the ICS87931I can be increased to 12
by utilizing the ability of each output to drive two series termi-
nated transmission lines.
FEATURES
Fully integrated PLL
6 LVCMOS/LVTTL outputs, 7 typical output impedance
Selectable differential CLK0, nCLK0 or LVCMOS/LVTTL clock
for redundant clock applications
Maximum output frequency: 150MHz
VCO range: 220MHz to 480MHz
External feedback for “zero delay” clock regeneration
Output skew, Same Frequency: 300ps (maximum)
Output skew, Different Frequency: 400ps (maximum)
Cycle-to-cycle jitter: 100ps (maximum)
3.3V supply voltage
-40°C to 85°C ambient operating temperature
Pin compatible with MPC931
HiPerClockS
,&6
PIN ASSIGNMENT
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
GND
QB0
QB1
VDDO
EXTFB_SEL
CLK_SEL
PLL_SEL
nc
VDDA
POWER_DN
CLK1
nMR
CLK0
nCLK0
GND
QC1
QC0
V
DDO
EXT_FB
CLK_EN1
CLK_EN0
nc
GND
QA1
QA0
V
DDO
DIV_SELA
DIV_SELB
DIV_SELC
nc
ICS87931I
32-Lead LQFP
7mm x 7mm x 1.4mm
package body
Y package
Top View
POWER_DN
PLL_SEL
CLK_SEL
CLK1
CLK0
nCLK0
EXTFB_SEL
EXT_FB
DIV_SELA
DIV_SELB
CLK_EN0
CLK_EN1
DIV_SELC
nMR
QA0
QA1
QB0
QB1
QC0
QC1
Pullup
Pulldown
Pullup
Pulldown
None
0
1
0
1
0
1
0
POWER-ON RESET
PHASE
DETECTOR
LPF
DISABLE
LOGIC
VCO
÷8
÷4/÷6
÷2/÷4
÷2
BLOCK DIAGRAM
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| ICS87946AYI-01LF | LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS87946AYI-01T | LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS87949AY-01LF | LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS87949AY-01 | LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS87949AY-01LFT | LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS87931BYILF | 功能描述:IC CLK MULT/ZD BUFFER 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:2,000 系列:- 類型:PLL 頻率合成器 PLL:是 輸入:晶體 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/無 頻率 - 最大:1GHz 除法器/乘法器:是/無 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-LSSOP（0.175"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:NJW1504V-TE1-NDNJW1504V-TE1TR |
| ICS87931BYILFT | 功能描述:IC CLK MULT/ZD BUFFER 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS87946AYI-01LF | 功能描述:IC CLOCK GENERATOR 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS87946AYI-01LFT | 功能描述:IC CLOCK GENERATOR 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS87946AYI-147 | 制造商:Integrated Device Technology Inc 功能描述:IC CLOCK DIVIDER 32LQFP |
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