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PDF MAX9321AESA Data sheet ( Hoja de datos )
| Número de pieza | MAX9321AESA | |
| Descripción | Differential LVPECL/LVECL/HSTL Receiver/Drivers | |
| Fabricantes | Maxim Integrated | |
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19-2152; Rev 2; 11/02
Differential LVPECL/LVECL/HSTL
Receiver/Drivers
General Description
The MAX9321/MAX9321A are low-skew differential
receiver/drivers designed for clock and data distribu-
tion. The differential input can be adapted to accept a
single-ended input by connecting the on-chip VBB sup-
ply to an input as a reference voltage.
The MAX9321/MAX9321A feature ultra-low propagation
delay (172ps) and part-to-part skew (20ps) with 24mA
maximum supply current, making these devices ideal
for clock buffering or repeating. For interfacing to differ-
ential HSTL and LVPECL signals, these devices oper-
ate over a +2.25V to +3.8V supply range, allowing
high-performance clock and data distribution in sys-
tems with a nominal +2.5V or +3.3V supply. For differ-
ential LVECL operation, these devices operate from a
-2.25V to -3.8V supply. Multiple pinouts are provided to
simplify routing across a backplane to either side of a
double-sided board.
Both devices are offered in space-saving 8-pin SOT23,
SO, and µMAX packages.
Applications
Precision Clock Buffers
Low-Jitter Data Repeaters
Features
o Improved Second Source of the MC10LVEP16
(MAX9321)
o +2.25V to +3.8V Differential HSTL/LVPECL
Operation
o -2.25V to -3.8V Differential LVECL Operation
o Low 17mA Supply Current
o 20ps Part-to-Part Skew
o 172ps Propagation Delay
o Minimum 300mV Output at 3GHz
o Output Low for Open Input
o ESD Protection >2kV (Human Body Model)
o On-Chip Reference for Single-Ended Input
o Available in Thermally Enhanced Exposed-Pad
SO Package
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
MAX9321EKA-T -40°C to +85°C
MAX9321EUA* -40°C to +85°C
MAX9321ESA -40°C to +85°C
MAX9321AEKA-T -40°C to +85°C
MAX9321AEUA* -40°C to +85°C
8 SOT23-8
8 µMAX
8 SO
8 SOT23-8
8 µMAX
MAX9321AESA -40°C to +85°C 8 SO-EP**
*Future product—contact factory for availability.
**EP = Exposed pad.
TOP
MARK
AALK
—
—
AAIX
—
—
Pin Configurations
VCC 1
VEE 2
MAX9321
VCC
60kΩ
8Q
7Q
D 3 100kΩ
100kΩ
D4
VEE
SOT23
6 N.C.
5 VBB
Pin Configurations continued at end of data sheet.
N.C. 1
D2
D3
VBB 4
MAX9321
VCC
60kΩ
100kΩ
100kΩ
µMAX/SO
8 VCC
7Q
6Q
5 VEE
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1 page  
Differential LVPECL/LVECL/HSTL
Receiver/Drivers
Typical Operating Characteristics
(SO packages) (VCC = +3.3V, VEE = 0, input transition time = 125ps (20% to 80%), VIHD = VCC - 1V, VILD = VCC - 1.5V, fIN =
1.5GHz, outputs loaded with 50Ω to VCC - 2V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT, IEE vs. TEMPERATURE
20
19
18
17
16
15
14
-40
-15 10 35 60
TEMPERATURE (°C)
85
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
OUTPUT AMPLITUDE, VOH - VOL
vs. FREQUENCY
500 1000 1500 2000 2500 3000 3500
FREQUENCY (MHz)
TRANSITION TIME vs. TEMPERATURE
90
89
tF
tR
88
87
-40 -15 10 35 60
TEMPERATURE (°C)
85
PROPAGATION DELAY vs. HIGH VOLTAGE
OF DIFFERENTIAL INPUT, VIHD
200
VIHD - VILD = 0.5V
195
190
185
tPLHD
180
175
170
tPHLD
165
160
155
150
1.0 1.4 1.8 2.2 2.6 3.0 3.4 3.8
VIHD (V)
PROPAGATION DELAY vs. TEMPERATURE
200
190
180
tPLHD
170
160
tPHLD
150
140
130
120
-40
-15 10 35 60
TEMPERATURE (°C)
85
_______________________________________________________________________________________ 5
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| PDF Descargar | [ Datasheet MAX9321AESA.PDF ] | |
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