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Semtech Corporation

EDGE4717D Datasheet Preview

EDGE4717D Datasheet

Per Pin Precision Measurement Unit

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TEST AND MEASUREMENT PRODUCTS
Description
Edge4717D
Quad Channel, Per Pin
Precision Measurement Unit
Features
The Edge4717D is a precision measurement unit designed
for automated test equipment and instrumentation.
Manufactured in a wide voltage CMOS process, it is a
monolithic solution for a quad channel per pin PMU.
Each channel of the Edge4717D features a PMU that
can force or measure voltage over a typical 15V I/O range,
and supports 4 current ranges: ± 3.2 µA, ± 80 µA,
± 2 mA, ± 30 mA.
The Edge4717D has an on-board window comparator per
channel that provides two bits of information — DUT too
high and DUT too low. There is also a monitor pin which
provides a real time analog signal proportional to either
the voltage or current measured at the DUT.
• FV / MI Capability
• FI / MV Capability
• FV / MV Capability
• FI / MI Capability
• 4 Current Ranges (± 3.2 µA, ± 80 µA, ± 2 mA,
± 30 mA)
• –5.5V to 9.5V Nominal Output Range (Zero Current)
• –3.5 to 7.5V Nominal Output Range (Full Scale
Current)
• On-board Voltage Clamps
• Internal Sample and Hold
• 228 Pin 23 mm x 23 mm TBGA Package
Functional Block Diagram
The Edge4717D is designed to be a low power, low cost,
small footprint solution to allow high pin count testers to
support a PMU per pin.
On-board voltage clamps, with over-current detection,
provide protection to the DUT and 4717D.
The Edge4717D also has a sample-and-hold feature
available for capturing DUT current or voltage
measurements.
The Edge4717D is a design improvement to the Edge4717
that features:
– Increased FV/MV range
– Improved over-current detection circuit
functionality
– LVTTL comparator outputs (pull-up resistors
no longer required)
– Improved HiZ switching characteristics
– Improved Force Voltage Linearity
Applications
• Automated Test Equipment
- Memory Testers
- VLSI Testers
- Mixed Signal Tester
SNK_MON
SRC_MON
HiZ
VINP
REF
FV / FI*
MI / MV*
IVMAX
IVMIN
COMP_IN
DISABLE
SNK_MON
SRC_MON
HiZ
VINP
REF
FV / FI*
MI / MV*
IVMAX
IVMIN
COMP_IN
DISABLE
SNK_MON
SRC_MON
HiZ
VINP
REF
FV / FI*
MI / MV*
IVMAX
IVMIN
COMP_IN
DISABLE
SNK_MON
SRC_MON
HiZ
VINP
REF
FV / FI*
MI / MV*
IVMAX
IVMIN
COMP_IN
DISABLE
CHANNEL 0
÷ 2.5
OVER-CURRENT
DETECT
OVER-CURRENT
DETECT
COMPARATORS
DETECTOR LOGIC
VOLTAGE MONITOR
CHANNEL 1
OVER-CURRENT
DETECT
OVER-CURRENT
DETECT
÷ 2.5
COMPARATORS
DETECTOR LOGIC
VOLTAGE MONITOR
CHANNEL 2
OVER-CURRENT
DETECT
OVER-CURRENT
DETECT
÷ 2.5
COMPARATORS
DETECTOR LOGIC
VOLTAGE MONITOR
CHANNEL 3
OVER-CURRENT
DETECT
OVER-CURRENT
DETECT
÷ 2.5
COMPARATORS
DETECTOR LOGIC
VOLTAGE MONITOR
DUT_GND
SNK_OUT
OPEN_RLY
SRC_OUT
FORCE
GUARD
SENSE
DUTLTH
DUTGTL
IVMON
SNK_OUT
OPEN_RLY
SRC_OUT
FORCE
GUARD
SENSE
DUTLTH
DUTGTL
IVMON
SNK_OUT
OPEN_RLY
SRC_OUT
FORCE
GUARD
SENSE
DUTLTH
DUTGTL
IVMON
SNK_OUT
OPEN_RLY
SRC_OUT
FORCE
GUARD
SENSE
DUTLTH
DUTGTL
IVMON
Revision 5 / October 14, 2005
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Semtech Corporation

EDGE4717D Datasheet Preview

EDGE4717D Datasheet

Per Pin Precision Measurement Unit

No Preview Available !

Edge4717D
TEST AND MEASUREMENT PRODUCTS
PIN Description
Pin Name
VINP[0:3]
REF[0:3]
FORCE[0:3]
Pin #
Description
B19, H22, N21, V22 Analog voltage input which forces the output voltage (FV mode) and the
output current (FI mode) (one per channel).
A19, G22, M21, U22 Reference pin for divide by 2.5 circuit for force current mode; this reference
is typically set to 2.25V.
E2, J2, N2, U2
Analog output pin which forces current or voltage.
SENSE[0:3]
FV_FI*[0:3]
MI_MV*[0:3]
RS0[0:3]
RS1[0:3]
IVMIN[0:3]
IVMAX[0:3]
COMP_IN[0:3]
DUT_LTH[0:3]
DUT_GTL[0:3]
DISABLE[0:3]
E3, J3, N3, U3
Analog input pin which senses voltage.
A7, C11, A14, B17 TTL compatible input which determines whether the PMU is forcing current
or forcing voltage.
C9, B11, B14, C16 TTL compatible input which determines whether the PMU is measuring
current or measuring voltage.
C7, B9, C12, B15 TTL compatible current range select inputs.
C6, A8, B12, A15 TTL compatible current range select inputs.
C17, H20, M20, U21 Analog input voltages which establish the lower threshold level for the
measurement comparator.
C18, H21, N22, U20 Analog input voltages which establish the upper threshold level for the
measurement comparator.
D2, H2, M2, T2
Analog voltage input to measurement comparator.
AA13, Y12, AA10, Y9 Digital comparator output that indicates the DUT measurement is less than
the upper threshold.
AA14, AA12, Y11, AA9 Digital comparator output that indicates the DUT measurement is greater
than the lower threshold.
A6, B10, B13, B16 TTL compatible input which places IVMON output in high impedance.
HIZ[0:3]
B7, A10, C13, A17 TTL compatible input that places the FORCE output into high impedance.
RA[0:3]
RB[0:3]
RC[0:3]
RD[0:3]
SNK_MON[0:3]
SRC_MON[0:3]
SNK_OUT[0:3]
SRC_OUT[0:3]
F3, K3, P3, V3
External resistor input corresponding to Range A.
F2, K2, P2, V2
External resistor input corresponding to Range B.
F1, K1, P1, V1
External resistor input corresponding to Range C.
G3, L3, R3, W3
External resistor input corresponding to Range D.
F21, K22, R22, AA17 Analog voltage input to sink current clamp.
F22, L22, T22, Y16 Analog voltage input to source current clamp.
C1, G1, L1, R1
Clamp output.
E1, J1, N1, U1
Clamp output.
2005 Semtech Corp. / Rev. 5, 10/14/05
www.DataSheet.in
2
www.semtech.com


Part Number EDGE4717D
Description Per Pin Precision Measurement Unit
Maker Semtech Corporation
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