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參數(shù)資料
| 型號(hào)： | ICS83940DYT |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | LOW SKEW CLOCK DRIVER, 18 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)： | 1/15頁 |
| 文件大小： | 307K |
| 代理商： | ICS83940DYT |
83940DY
www.icst.com/products/hiperclocks.html
REV. B JUNE 15, 2004
1
Integrated
Circuit
Systems, Inc.
ICS83940D
LOW SKEW, 1-TO-18
LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
GENERAL DESCRIPTION
The ICS83940D is a low skew, 1-to-18 LVPECL-
to-LVCMOS/LVTTL Fanout Buffer and a member
of the HiPerClockSfamily of High Performance
Clock Solutions from ICS. The ICS83940D has
two selectable clock inputs. The PCLK, nPCLK
pair can accept LVPECL, CML, or SSTL input levels. The
LVCMOS_CLK can accept LVCMOS or LVTTL input levels.
The low impedance LVCMOS/LVTTL outputs are designed to
drive 50
series or parallel terminated transmission lines.
The ICS83940D is characterized at full 3.3V and 2.5V or mixed
3.3V core, 2.5V output operating supply modes. Guaranteed
output and par t-to-par t skew characteristics make the
ICS83940D ideal for those clock distribution applications
demanding well defined performance and repeatability.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
18 LVCMOS/LVTTL outputs
Selectable LVCMOS_CLK or LVPECL clock inputs
PCLK, nPCLK supports the following input types:
LVPECL, CML, SSTL
LVCMOS_CLK accepts the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 250MHz
Output skew: 150ps (maximum)
Part to part skew: 750ps (maximum)
Additive phase jitter, RMS: < 0.03ps (typical)
Full 3.3V and 2.5V or mixed 3.3V core, 2.5V output
supply modes
0°C to 70°C ambient operating temperature
Lead-Free package available
Pin compatible with the MPC940L
HiPerClockS
ICS
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Pacakge
Top View
Q0:Q17
CLK_SEL
PCLK
nPCLK
LVCMOS_CLK
0
1
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
Q6
Q7
Q8
VDD
Q9
Q10
Q11
GND
LVCMOS_CLK
CLK_SEL
PCLK
nPCLK
VDD
VDDO
V
DDO
Q12
Q13
Q14
GND
Q15
Q16
Q17
GND
Q5
Q4
Q3
V
DDO
Q2
Q1
Q0
ICS83940D
18
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS83940I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER |
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| ICS83947AYI | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-9 LVCMOS FANOUT BUFFER |
| ICS83947AYI-147 | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-9 LVCMOS/LVTTL FANOUT BUFFER |
| ICS83947AYI-147LF | 功能描述:IC CLOCK BUFFER MUX 2:9 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘緩沖器，驅(qū)動(dòng)器 系列:HiPerClockS™ 產(chǎn)品培訓(xùn)模塊:High Bandwidth Product Overview 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:4 差分 - 輸入:輸出:是/是 輸入:CML，LVDS，LVPECL 輸出:CML 頻率 - 最大:2.5GHz 電源電壓:2.375 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) |
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