參數(shù)資料
型號(hào): ICS86953AYILFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: PLL BASED CLOCK DRIVER, 8 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(yè)數(shù): 1/11頁(yè)
文件大?。?/td> 121K
代理商: ICS86953AYILFT
86953AYI
www.icst.com/products/hiperclocks.html
REV. A APRIL 26, 2002
1
Integrated
Circuit
Systems, Inc.
ICS86953I
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-LVCMOS ZERO DELAY BUFFER
PRELIMINARY
GENERAL DESCRIPTION
The ICS86953I 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 PCLK,
nPCLK pair can accept most standard differential
input levels. With output frequencies up to 110MHz, the
ICS86953I is targeted for high performance clock applications.
Along with a fully integrated PLL, the ICS86953I contains fre-
quency configurable outputs and an external feedback input for
regenerating clocks with “zero delay”.
FEATURES
9 single ended LVCMOS outputs; (8) clocks, (1) feedback
Selectable differential PCLK, nPCLK or external feedback
clock inputs
FB_CLK can accept the following input levels:
LVCMOS and LVTTL
PCLK, nPCLK pair can accept the following differential
input levels: LVPECL, CML, SSTL
Maximum output frequency: PLL Mode, 110MHz
VCO range: 200MHz to 500MHz
Output skew: 150ps (maximum)
Cycle-to-cycle jitter: 100ps (maximum)
Static phase offset: TBD ± 100ps
3.3V supply voltage
-40°C to 85°C ambient operating temperature
Pin compatible to the MPC953
BLOCK DIAGRAM
HiPerClockS
,&6
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y package
Top View
Q1
VDDO
Q2
GND
Q3
VDDO
Q4
GND
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
ICS86953I
Q5
V
DDO
Q6
GND
Q7
V
DDO
MR/nOE
nPCLK
VDDA
FB_CLK
nc
GND
PCLK
GND
Q0
V
DDO
QFB
GND
PLL_SEL
nBYP
ASS
VCO_SEL
PIN ASSIGNMENT
Phase
Detector
LPF
VCO
÷2
÷4
0
1
0
1
PCLK
nPCLK
FB_CLK
VCO_SEL
nBYPASS
MR/nOE
PLL_SEL
QFB
Q0:Q6
Q7
7/
0
1
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.
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