900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf






Micrel Semiconductor

SY89828L Datasheet Preview

SY89828L Datasheet

3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR

No Preview Available !

MicreL, Inc.
3.3V 1GHz DUAL 1:10 PRECISION
LVDS FANOUT BUFFER/
Precision Edge®
Precision ESdY8g9e8®28L
SY89828L
TRANSLATOR WITH 2:1 INPUT MUX
FEATURES
High-performance dual 1:10, 1GHz LVDS fanout
buffer/translator
Two banks of 10 differential LVDS outputs
Guaranteed AC parameters over temperature and
voltage:
• > 1GHz fMAX
• < 50ps within device skew
• < 400ps tr, tf time
Each bank includes a 2:1 input mux
2:1 mux input accepts LVDS and LVPECL
Low jitter performance
• < 1psRMS cycle-to-cycle jitter
• < 1psPP total jitter
3.3V supply voltage
Output enable function
LVDS input includes internal 100termination
Available in a 64-Pin EPAD-TQFP
APPLICATIONS
Enterprise networking
High-end servers
Communications
TYPICAL APPLICATION CIRCUIT
Precision Edge®
DESCRIPTION
The SY89828L is a precision fanout buffer with 20
differential LVDS (Low Voltage Differential Swing) output
pairs. The part is designed for use in low voltage 3.3V
applications that require a large number of outputs to drive
precisely aligned, ultra low-skew signals to their destination.
The input is multiplexed from either LVDS or LVPECL (Low
Voltage Positive Emitter Coupled Logic) by the CLK_SEL1
and CLK_SEL2 pins. The Output Enables (OE1 and OE2)
are synchronous so that the outputs will only be enabled/
disabled when they are already in the LOW state. This
avoids any chance of generating a runt clock pulse when
the device is enabled/disabled as can happen with an
asynchronous control.
The SY89828L features a low pin-to-pin skew of less
than 50ps—performance previously unachievable in a
standard product having such a high number of outputs.
The SY89828L is available in a single space saving package,
enabling a lower overall cost solution.
Primary Clock Source
LVDS_CLKA
/LVDS_CLKA
5 100
5
Primary
Card
Backup Clock Source
LVDS_CLKB
/LVDS_CLKB
5 100
Redundant
5 Card
SEL1
Primary/Backup Clock Select
(Switchover with 2.0ns)
System using SY89828L as a switchover circuit from a Primary Clock to a Redundant backup Clock in a fail-safe application.
LVPECL inputs not shown in this application.
Precision Edge is a registered trademark of Micrel, Inc.
M9999-012208
hbwhelp@micrel.com or (408) 955-1690
1
Rev.: D Amendment: /0
Issue Date: January 2008




Micrel Semiconductor

SY89828L Datasheet Preview

SY89828L Datasheet

3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR

No Preview Available !

Micrel, Inc.
Precision Edge®
SY89828L
PACKAGE/ORDERING INFORMATION
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
SEL2
LVDS_CLKB
/LVDS_CLKB
VCCI
LVDS_CLKA
/LVDS_CLKA
CLK_SEL1
LVPECL_CLKA
/LVPECL_CLKA
GNDI
OE1
LVPECL_CLKB
/LVPECL_CLKB
CLK_SEL2
OE2
SEL1
1 48 GNDO
2 47 Q7
3 46 /Q7
4 45 Q8
5 44 /Q8
6 43 Q9
7 42 /Q9
8 41 VCCO
9 40 VCCO
10 39 Q10
11 38 /Q10
12 37 Q11
13 36 /Q11
14 35 Q12
15 34 /Q12
16 33 GNDO
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Ordering Information(1)
Part Number
Package
Type
SY89828LHI(2)
H64-1
SY89828LHITR(2) H64-1
SY89828LHY(2)
H64-1
SY89828LHYTR(2) H64-1
Operating
Range
Industrial
Industrial
Industrial
Industrial
Package
Marking
SY89828LHI
Lead
Finish
Sn-Pb
SY89828LHI
Sn-Pb
SY89828LHY with
Pb-Free
Pb-Free bar-line indicator Matte-Sn
SY89828LHY with
Pb-Free
Pb-Free bar-line indicator Matte-Sn
Notes:
1. Contact factory for die availability. Dice are guaranteed at TA = 25°C, DC electricals only.
2. Pb-Free package recommended for new designs.
64-Pin TQFP (H64-1)
FUNCTIONAL BLOCK DIAGRAM
100termination
internal
LVDS_CLKA
/LVDS_CLKA
CLK_SEL1
0
LVPECL_CLKA
/LVPECL_CLKA
100termination
internal
LVDS_CLKB
/LVDS_CLKB
1
0
LVPECL_CLKB
/LVPECL_CLKB
1
CLK_SEL2
SEL1
OE1
0
1 LEN Q
D
0
1
SEL2
OE2
LEN Q
D
10
Q0 – Q9
10
/Q0 – /Q9
10 Q10 – Q19
10 /Q10 – /Q19
M9999-012208
hbwhelp@micrel.com or (408) 955-1690
2


Part Number SY89828L
Description 3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR
Maker Micrel Semiconductor
PDF Download

SY89828L Datasheet PDF






Similar Datasheet

1 SY89828L 3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR
Micrel Semiconductor





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy