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PDF MAX9312 Data sheet ( Hoja de datos )
| Número de pieza | MAX9312 | |
| Descripción | (MAX9312 / MAX9314) Dual 1:5 Differential LVPECL/LVECL/HSTL Clock and Data Drivers | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-2079; Rev 2; 4/09
Dual 1:5 Differential LVPECL/LVECL/HSTL
Clock and Data Drivers
General Description
The MAX9312/MAX9314 are low skew, dual 1-to-5 dif-
ferential drivers designed for clock and data distribu-
tion. These devices accept two inputs. Each input is
reproduced at five differential outputs. The differential
inputs can be adapted to accept single-ended inputs
by connecting the on-chip VBB supply to one input as a
reference voltage.
The MAX9312/MAX9314 feature low part-to-part skew
(30ps) and output-to-output skew (12ps), making them
ideal for clock and data distribution across a backplane
or a board. For interfacing to differential HSTL and
LVPECL signals, these devices operate over a +2.25V
to +3.8V supply range, allowing high-performance clock
or data distribution in systems with a nominal +2.5V or
+3.3V supply. For differential LVECL operation, these
devices operate from a -2.25V to -3.8V supply.
The MAX9312 features an on-chip VBB reference output
of 1.425V below the positive supply voltage. The
MAX9314 offers an on-chip VBB reference output of
1.32V below the positive supply voltage.
Both devices are offered in an industry-standard 32-pin
7mm x 7mm LQFP package. In addition, the MAX9312
is offered in a space-saving 32-pin 5mm x 5mm TQFN
package.
Applications
Precision Clock Distribution
Low-Jitter Data Repeater
www.DataSheet4U.com
Features
o +2.25V to +3.8V Differential HSTL/LVPECL
Operation
o -2.25V to -3.8V Differential LVECL Operation
o 30ps (typ) Part-to-Part Skew
o 12ps (typ) Output-to-Output Skew
o 312ps (typ) Propagation Delay
o ≥ 300mV Differential Output at 3GHz
o On-Chip Reference for Single-Ended Inputs
o Output Low with Open Input
o Pin Compatible with MC100LVEP210 (MAX9312)
and MC100EP210 (MAX9314)
o Offered in Tiny QFN* Package (70% Smaller
Footprint than LQFP)
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX9312ECJ+
-40°C to +85°C 32 LQFP
MAX9312ETJ+
-40°C to +85°C 32 TQFN-EP*
MAX9314ECJ
-40°C to +85°C 32 LQFP
*Exposed pad.
+Denotes a lead(Pb)-free/RoHS-compliant package.
Functional Diagram
VCC
CLKA
75kΩ
CLKA
75kΩ
75kΩ
VEE VEE
VBB
Pin Configuration appears at end of data sheet.
QA0
VCC
QA0
QA1 75kΩ
QA1 CLKB
QA2 CLKB
QA2
75kΩ
QA3
75kΩ
QA3 VEE VEE
QA4
QA4
QB0
QB0
QB1
QB1
QB2
QB2
QB3
QB3
QB4
QB4
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
Dual 1:5 Differential LVPECL/LVECL/HSTL
Clock and Data Drivers
Typical Operating Characteristics
(VCC = +3.3V, VEE = 0, VIHD = VCC - 0.95V, VILD = VCL - 1.25V, input transition time = 125ps (20% to 80%), fIN = 1.5GHz, outputs
loaded with 50Ω to VCC - 2V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT, IEE
vs. TEMPERATURE
80
75
70
65
60
55
50
-40
-15 10 35 60
TEMPERATURE (°C)
85
OUTPUT AMPLITUDE (VOH - VOL)
vs. FREQUENCY
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 1000 2000 3000
FREQUENCY (MHz)
TRANSITION TIME vs. TEMPERATURE
130
tR
125
120
115
110 tF
105
100
95
90
-40
-15 10 35 60
TEMPERATURE (°C)
85
PROPAGATION DELAY vs.
SINGLE-ENDED HIGH VOLTAGE OF
DIFFERENTIAL INPUT (VIHD)
306
VIHD -VILD = 150mV
304
302
300 tPLHD
298
296
www.DataSheet4U.com 294
292
tPHLD
290
288
1.0 1.4 1.8 2.2 2.6 3.0 3.4 3.8
VIHD (V)
PROPAGATION DELAY vs. TEMPERATURE
340
VIHD = VCC - 0.95V
VILD = VCC - 1.1V
320
tPLHD
300
tPHLD
280
-40
-15 10 35 60
TEMPERATURE (°C)
85
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MAX9312.PDF ] | |
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