參數(shù)資料
型號: ICS87951AY
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘及定時
英文描述: PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32
文件頁數(shù): 1/13頁
文件大小: 156K
代理商: ICS87951AY
87951AY
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 30, 2001
1
Integrated
Circuit
Systems, Inc.
ICS87951
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-LVCMOS ZERO DELAY BUFFER
PRELIMINARY
GENERAL DESCRIPTION
HiPerClockS
,&6
FEATURES
The ICS87951 is a low voltage, low skew 1-to-9
Differential-to-LVCMOS clock generator and a
member of the HiPerClockS family of High Per-
formance Clock Solutions from ICS. The
ICS87951 has two selectable clock inputs. The
single ended clock input accepts LVCMOS or LVTTL input lev-
els. The CLK1, nCLK1 pair can accept most standard differ-
ential input levels. With output frequencies up to 180MHz, the
ICS87951 is targeted for high performance clock applications.
Along with a fully integrated PLL, the ICS87951 contains fre-
quency configurable outputs and an external feedback input
for regenerating clocks with “zero delay”.
Fully integrated PLL
9 single ended 3.3V LVCMOS outputs
Selectable single ended CLK0 or differential CLK1, nCLK1
inputs
The single ended CLK0 input can accept the following input
levels: LVCMOS or LVTTL input levels
CLK1, nCLK1 supports the following input types:
LVDS, LVPECL, LVHSTL, SSTL, HCSL
Maximum output frequency up to 180MHz
VCO range: 200MHz to 480MHz
External feedback for ”zero delay” clock regeneration
Cycle-to-cycle jitter: ±100ps (typical)
Output skew: 375ps (maximum)
PLL reference zero delay: 350ps window (maximum)
3.3V operating supply
0°C to 70°C ambient operating temperature
Pin compatible with the MPC951
Industrial temperature information available upon request
PIN ASSIGNMENT
QD2
V
DDO
QD3
GND
QD4
V
DDO
MR/nOE
nCLK1
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
QC0
VDDO
QC1
GND
QD0
VDDO
QD1
GND
VDDA
EXT_FB
DIV_SELA
DIV_SELB
DIV_SELC
DIV_SELD
GND
CLK1
GND
QB
V
DDO
QA
GND
CLK0
PLL_SEL
CLK_SEL
ICS87951
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y package
Top View
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
相關(guān)PDF資料
PDF描述
ICS87972BYI 125 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
ICS87972CYILFT 125 MHz, OTHER CLOCK GENERATOR, PQFP52
ICS87972CYIT 125 MHz, OTHER CLOCK GENERATOR, PQFP52
ICS87972DYI-147 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
ICS87972DYI-147LF 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
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ICS87951AYI-147LFT 功能描述:IC BUFFER ZD 1-9 LOW SKEW 32LQFP 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(biāo)準(zhǔn)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
ICS87951AYILF 功能描述:IC CLK ZDB 1:9 180MHZ 32LQFP 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(biāo)準(zhǔn)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
ICS87951AYILFT 功能描述:IC CLK ZDB 1:9 180MHZ 32LQFP 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(biāo)準(zhǔn)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
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