參數(shù)資料
型號(hào): ICS83940DYI-T
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBA, LQFP-32
文件頁(yè)數(shù): 1/14頁(yè)
文件大?。?/td> 327K
代理商: ICS83940DYI-T
83940DYI
www.icst.com/products/hiperclocks.html
REV. A DECEMBER 12, 2002
1
Integrated
Circuit
Systems, Inc.
ICS83940DI
LOW SKEW, 1-TO-18
LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
GENERAL DESCRIPTION
The ICS83940DI is a low skew, 1-to-18 LVPECL-
to-LVCMOS/LVTTL Fanout Buffer and a member
of the HiPerClockS family of High Performance
Clock Solutions from ICS. The ICS83940DI 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 ICS83940DI is characterized at 3.3V, 2.5V or mixed
3.3V core, 2.5V output operating supply modes. Guaranteed
output and part-to-part skew characteristics make the
ICS83940DI 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)
3.3V, 2.5V or mixed 3.3V core, 2.5V output supply modes
-40°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
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
ICS83940DI
18
DATA SHEET
ICS83940DI
IDT / ICS LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS/LVTTL FANOUT BUFFER
ICS83940DI
1
LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS/LVTTL
FANOUT BUFFER
相關(guān)PDF資料
PDF描述
ICS83940DYI 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940DYIT 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940DYILFT 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940DYT LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940LYILFT LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
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ICS83940I-01 制造商:ICS 制造商全稱(chēng):ICS 功能描述:LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
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