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PDF Edge710 Data sheet ( Hoja de datos )
| Número de pieza | Edge710 | |
| Descripción | 500 MHz Pin Electronics Driver/ Window Comparator/ and Load | |
| Fabricantes | Semtech | |
| Logotipo |  |
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EDGE HIGH-PERFORMANCE PRODUCTS
Description
Edge710
500 MHz Pin Electronics Driver,
Window Comparator, and Load
Features
The Edge710 is a totally monolithic ATE pin electronics
solution manufactured in a high-performance
complementary bipolar process. In Automatic Test
Equipment (ATE) applications, the Edge710 incorporates
a driver, a load, and a window comparator suitable for
very fast bidirectional channels in VLSI, Mixed-Signal, and
Memory test systems.
The three-statable driver is capable of generating 9V swings
over a 12V range. In addition, 13V super voltage may be
obtained under certain operating conditions. Separate
rise and fall edge adjustments support both high speed
and low speed applications, and allow for superior rise
and fall time matching. An input power down mode allows
extremely low leakage current in HiZ.
• Fully Integrated Three-Statable Driver, Window
Comparator, and Dynamic Active Load
• 12V Driver, Load, Compare Range
• 13V Super Voltage Capable
• ± 35 mA Programmable Load
• Comparator Input Tracking >6V/ns
• Leakage (L+D+C) < 1 µA (normal mode)
• Leakage (L+D+C) < 25 nA (IPD mode)
• Small footprint (52 pin MQFP)
Functional Block Diagram
The load supports programmable source and sink currents
of ± 35 mA over a 12V range, or it can be completely
disabled. The source current, sink current, and
commutating voltage are all independently set. In addition,
the load is configurable and may be used as a
programmable voltage clamp.
The window comparator spans a 12V common mode
range, tracks input signals with edge rates greater than 6
V/ns, and passes sub-ns pulses. An input power down
mode allows for extremely low leakage measurements.
The inclusion of all pin electronics building blocks into a
52 lead MQFP (10 mm body w/ internal heat spreader)
offers a highly integrated solution that is traditionally
implemented with multiple integrated circuits or discretes.
BIAS
DVH
DHI
DHI*
DVR_EN
DVR_EN*
DVL
IPD_D
QA*
QA
PECL
IPD_C
QB
QB*
Applications
• VLSI Test Equipment
• Mixed-Signal Test Equipment
• Memory Testers (Bidirectional Channels)
• ASIC Verifiers
ISC_IN
VCM_IN
VCM_OUT_A
VCM_OUT_B
ISK_IN
LD_EN
LD_EN*
RADJ
DOUT
FADJ
VCC
1KΩ
1KΩ
VEE
CVA
VINP
CVB
BRIDGE_SC
LOAD
BRIDGE_SK
Revision 2 / December 1, 2000
1
www.semtech.com
1 page  
Edge710
EDGE HIGH-PERFORMANCE PRODUCTS
Circuit Description (continued)
Driver Slew Rate Adjustment
Load
The driver rising and falling transition times are
independently adjustable. The RADJ and FADJ pins are
analog current inputs which establish the driver rise and
fall times.
Ideally, an external current source would be used for RADJ
and FADJ. However, for most applications (where the rise
and fall times are fixed), precision external resistors to a
positive voltage are acceptable. The currents into RADJ
and FADJ follow the equation:
RADJ, FADJ = (VCC - 0.7) / (Rext + 1.5).
RADJ (FADJ)
The load is capable of sourcing and sinking at least 35
mA dynamically, or being placed into a high impedance
state. The load may also be configured with separate
commutating voltage to act as a programmable voltage
clamp. In addition, the load may act as a 50Ω
transmission line termination.
Load Enable
The load enable input determines whether the load is active
or in high impedance. If LD_EN is more positive than
LD_EN*, the load is active and is capable of sourcing and
sinking currents. If LD_EN is more negative than LD_EN*,
the load is placed into a high impedance state.
1.5KΩ
LD_EN / LD_EN* are "Flex In" - wide voltage differential
inputs capable of receiving ECL, TTL, CMOS, or custom
levels. Single-ended operation is supported by connecting
the inverting input to the appropriate DC threshold level.
Rise/Fall
Adjust Current
Do NOT leave LD_EN / LD_EN* floating.
Commutating Voltage
Input Power Down
IPD_D is a TTL compatible input which affects both the
driver speed as well as high impedance leakage. With
IPD_D = 0, the driver functions normally. With IPD_D =
1, the driver is in IPD mode, where it still functions,
although with slower rise and fall times, but with an
extremely low HiZ leakage current.
VCM_IN is a high input impedance analog voltage input
which sets the commutating voltage of the load. If LOAD
is more positive than VCM_IN, the bridge will sink current
from the DUT into the load. If LOAD is more negative than
VCM_IN, the load will source current from the load into
the DUT.
Do not leave IPD_D floating !! If IPD_D is not used,
connect it to ground.
VCM_IN
DUT
VCM_IN
DUT
LOAD > VCM_IN
2000 Semtech Corp.
LOAD < VCM_IN
5 www.semtech.com
5 Page 
EDGE HIGH-PERFORMANCE PRODUCTS
Recommended Operating Conditions
Parameter
Positive Power Supply
Negative Power Supply
Total Analog Supply
Comparator Output Supply
Analog Inputs
Driver High Level
Driver Low Level
Super Voltage Levels
Slew Rate Adjustments
Chip Bias
Source, Sink Currents
Comparator Thresholds
Ambient Operating Temperature
Junction Temperature
Symbol
VCC
VEE
VCC - VEE
PECL
DVH
DVL
DVH, DVL
RADJ, FADJ
BIAS
ISC_IN, ISK_IN
CVA, CVB
TA
TJ
Min
9.0
-8.0
13.2
0
VEE + 3.5
VEE + 2.9
VEE + 3.5
.4
.6
0
VEE + 3.5
25
Edge710
Max
15.5
-4.2
20.5
5.0
VCC - 2.9
VCC - 3.5
VCC - 2.0
1.3
1.25
1.65
VCC - 3.5
+70
+125
Units
V
V
V
V
V
V
V
mA
mA
mA
V
oC
oC
2000 Semtech Corp.
11 www.semtech.com
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet Edge710.PDF ] | |
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