參數(shù)資料
型號: ICS8522AY-01LFT
元件分類: 時鐘及定時
英文描述: LOW SKEW CLOCK DRIVER, 17 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
封裝: 10 X 10 MM, 1.40 MM HEIGHT, MS-026, LQFP-52
文件頁數(shù): 1/12頁
文件大小: 135K
代理商: ICS8522AY-01LFT
8522AY-01
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 19, 2002
1
PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS8522-01
LOW SKEW, 1-TO-17
DIFFERENTIAL-TO-HSTL FANOUT BUFFER
GENERAL DESCRIPTION
The ICS8522-01 is a low skew, 1-to-17 Differen-
tial-to-HSTL Fanout Buffer and a member of the
HiPerClockS Family of High Performance Clock
Solutions from ICS. The ICS8522-01 has two se-
lectable clock inputs. The CLK, nCLK pair can
accept most standard differential input levels. The PCLK,
nPCLK pair can accept LVPECL, CML, or SSTL input levels.
The clock enable is internally synchronized to eliminate runt
pulses on the outputs during asynchronous assertion/
deassertion of the clock enable pin.
Guaranteed output skew, part-to-part skew and crossover volt-
age characteristics make the ICS8522-01 ideal for interfacing
to today’s most advanced microprocessor and static RAMs.
FEATURES
17 LVHSTL outputs each with the ability to drive
50
to ground
Selectable differential CLK, nCLK or LVPECL clock inputs
CLK, nCLK pair can accept the following differential
input levels: LVPECL, LVDS, HSTL, SSTL, HCSL
PCLK, nPCLK supports the following input types:
LVPECL, CML, SSTL
Maximum output frequency: 500MHz
Translates any single-ended input signal (LVCMOS, LVTTL,
GTL) to LVPECL levels with resistor bias on nCLK input
Output skew: 50ps (typical)
Part-to-part skew: 70ps (typical)
0.68V ≤ Vcrossover ≤ 0.9V
3.3V core,1.8V output operating supply voltages
0°C to 70°C ambient operating temperature
BLOCK DIAGRAM
PIN ASSIGNMENT
HiPerClockS
,&6
VDDO
nc
VDD
CLK
nCLK
CLK_SEL
PCLK
nPCLK
GND
CLK_EN
GND
VDDO
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20 21 22 23 24 25 26
39
38
37
36
35
34
33
32
31
30
29
28
27
52 51 50 49 48 47 46 45 44 43 42 41 40
Q11
nQ11
Q12
nQ12
Q13
nQ13
V
DDO
Q14
nQ14
Q15
nQ15
Q16
nQ16
VDDO
Q6
nQ6
Q7
nQ7
Q8
nQ8
VDDO
Q9
nQ9
Q10
nQ10
VDDO
nQ5
Q5
nQ4
Q4
nQ3
Q3
V
DDO
nQ2
Q2
nQ1
Q1
nQ0
Q0
52-Lead LQFP
10mm x 10mm x 1.4mm body package
Y package
Top View
ICS8522-01
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.
CLK
nCLK
PCLK
nPCLK
Q0:Q16
nQ0:nQ16
D
Q
LE
CLK_EN
CLK_SEL
0
1
相關(guān)PDF資料
PDF描述
ICS8522AY-01LF LOW SKEW CLOCK DRIVER, 17 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
ICS8522CYT LOW SKEW CLOCK DRIVER, 17 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
ICS8522CYLF LOW SKEW CLOCK DRIVER, 17 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
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ICS8523AGI-03LFT LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
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