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83940AY-02LF

Description
IC CLK BUFFER 2:18 200MHZ 32TQFP
Categorysemiconductor    Analog mixed-signal IC   
File Size140KB,14 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance
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83940AY-02LF Overview

IC CLK BUFFER 2:18 200MHZ 32TQFP

83940AY-02LF Parametric

Parameter NameAttribute value
typefanout buffer (allocation), multiplexer
Number of circuits1
Ratio - Input:Output2:18
Differential - Input:Outputyes/no
enterHCSL,LVCMOS,LVDS,LVHSTL,LVPECL,LVTTL,SSTL
outputLVCMOS,LVTTL
Frequency - maximum200MHz
Voltage - Power2.375 V ~ 3.465 V
Operating temperature0°C ~ 70°C
Installation typesurface mount
Package/casing32-LQFP
Supplier device packaging32-TQFP(7x7)
ICS83940-02
L
OW
S
KEW
, 1-
TO
-18
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
G
ENERAL
D
ESCRIPTION
The ICS83940-02 is a low skew, 1-to-18 Fanout
Buffer and a member of the HiPerClock ™
S
HiPerClockS™
family of High Performance Clock Solutions from
ICS. The 83940-02 has two selectable clock in-
puts. The CLK0, nCLK0 pair can accept most
standard differential input levels. The single ended clock in-
put accepts LVCMOS or LVTTL input levels.The low imped-
ance LVCMOS/LVTTL outputs are designed to drive 50Ω
series or parallel terminated transmission lines. The effective
fanout can be increased from 18 to 36 by utilizing the ability
of the outputs to drive two series terminated lines.
F
EATURES
18 LVCMOS/LVTTL outputs, 7Ω typical output impedance
Selectable LVCMOS_Clock or CLK0, nCLK0 input pair
LVCMOS_CLK supports the following input types:
LVCMOS or LVTTL
CLK0, nCLK0 pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
Maximum output frequency: 200MHz
Output skew: 120ps (maximum)
Part-to-part skew: 850ps (maximum)
Output supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
Pin compatible with the MPC940L in single supply
applications
ICS
The ICS83940-02 is characterized at full 3.3V, full 2.5V and
mixed 3.3V input and 2.5V output operating supply modes.
Guaranteed output and part-to-part skew characteristics
make the ICS83940 ideal for those clock distribution applica-
tions demanding well defined performance and repeatability.
B
LOCK
D
IAGRAM
CLK_SEL
CLK0
nCLK0
LVCMOS_CLK
P
IN
A
SSIGNMENT
GND
V
DDO
32 31 30 29 28 27 26 25
0
Q0
Q1
Q2
Q3
Q4
Q5
GND
Q0:Q17
GND
LVCMOS_CLK
CLK_SEL
CLK
nCLK
V
DD
V
DDO
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
Q17
Q16
Q15
GND
Q14
Q13
Q12
V
DDO
24
23
22
Q6
Q7
Q8
V
DDO
Q9
Q10
Q11
GND
1
ICS83940-02
21
20
19
18
17
32-Lead LQFP
Y Pacakge
7mm x 7mm x 1.4mm package body
Top View
83940AY-02
www.icst.com/products/hiperclocks.html
1
REV. A JULY 30, 2007

83940AY-02LF Related Products

83940AY-02LF 83940AY-02LFT
Description IC CLK BUFFER 2:18 200MHZ 32TQFP IC CLK BUFFER 2:18 200MHZ 32TQFP
type fanout buffer (allocation), multiplexer fanout buffer (allocation), multiplexer
Number of circuits 1 1
Ratio - Input:Output 2:18 2:18
Differential - Input:Output yes/no yes/no
enter HCSL,LVCMOS,LVDS,LVHSTL,LVPECL,LVTTL,SSTL HCSL,LVCMOS,LVDS,LVHSTL,LVPECL,LVTTL,SSTL
output LVCMOS,LVTTL LVCMOS,LVTTL
Frequency - maximum 200MHz 200MHz
Voltage - Power 2.375 V ~ 3.465 V 2.375 V ~ 3.465 V
Operating temperature 0°C ~ 70°C 0°C ~ 70°C
Installation type surface mount surface mount
Package/casing 32-LQFP 32-LQFP
Supplier device packaging 32-TQFP(7x7) 32-TQFP(7x7)
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