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參數(shù)資料
| 型號： | ICS83940BYIT |
| 元件分類： | 時鐘及定時 |
| 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)： | 1/13頁 |
| 文件大?。?/td> | 125K |
| 代理商： | ICS83940BYIT |
83940BYI
www.icst.com/products/hiperclocks.html
REV. B JUNE 27, 2002
1
Integrated
Circuit
Systems, Inc.
ICS83940I
LOW SKEW, 1-TO-18
LVPECL-TO-LVCMOS FANOUT BUFFER
GENERAL DESCRIPTION
The ICS83940I is a low skew, 1-to-18 LVPECL-
to-LVCMOS Fanout Buffer and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. The ICS83940I 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 outputs are designed to drive
50
series or parallel terminated transmission lines.
The ICS83940I is characterized at full 3.3V, full 2.5V and mixed
3.3V input and 2.5V output operating supply modes. Guaran-
teed output and part-to-part skew characteristics make the
ICS83940I ideal for those clock distribution applications de-
manding well defined performance and repeatability.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
18 LVCMOS outputs, 16 typical output impedance
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)
Full 3.3V or 2.5V supply modes
0°C to 85°C ambient operating temperature
Pin compatible with the MPC940L
HiPerClockS
,&6
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
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
ICS83940I
18
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS83940BYLF | 功能描述:IC CLOCK BUFFER MUX 2:18 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:HiPerClockS™ 標(biāo)準包裝:74 系列:- 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL，LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:管件 |
| ICS83940BYLFT | 功能描述:IC CLOCK BUFFER MUX 2:18 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:HiPerClockS™ 標(biāo)準包裝:74 系列:- 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL，LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:管件 |
| ICS83940D | 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 |
| ICS83940DI | 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 |
| ICS83940DI01 | 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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