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EDGE4707B

Quad Channel Per-Pin Precision Measurement Unit

Semtech Corporation 

TEST AND MEASUREMENT PRODUCTS

Description

Edge4707B

Quad Channel Per-Pin

Precision Measurement Unit

Features

The Edge4707B is a precision measurement unit designed

for automatic 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 Edge4707B features a PMU that can

force or measure voltage over a 15V I/O range, and

supports 4 current ranges: 2 µA, 200 µA, 20 µA, and 2

mA.

Each channel of the Edge4707B features an on-board

window comparator that provides two bits of information:

DUT too high and DUT too low. There is also a monitor

function which provides a real time analog signal

proportional to either the measured voltage or current.

The Edge4707B is designed to be a low power, low cost,

small footprint solution to allow high pin count testers to

support a PMU per pin.

In addition, two independent switches per channel (for a

central PMU force and sense) plus two wide voltage analog

muxes per channel are included.

Applications

• Automated Test Equipment

- Memory Testers

- VLSI Testers

- Mixed Signal Tester

• FV / MI Capability

• FI / MV Capability

• FV / MV Capability

• FI / MI Capability

• 4 Current Ranges (2 µA, 20 µA, 200 µA, 2mA)

• –2V to +13V Output Range (Zero Current)

• 0V to 11V Output Range (Full Scale Current)

• FV Linearity to ± .025% FSR

• Central PMU Switches

• Per Pin Super Voltage Switches

Functional Block Diagram

E_SN_IN

E_FC_IN

VINP

IVIN

FV / FI*

MI / MV*

IVMAX

IVMIN

DISABLE

VINP

IVIN

FV / FI*

MI / MV*

IVMAX

IVMIN

DISABLE

VINP

IVIN

FV / FI*

MI / MV*

IVMAX

IVMIN

DISABLE

VINP

IVIN

FV / FI*

MI / MV*

IVMAX

IVMIN

DISABLE

CHANNEL 0

45Ω*

100Ω∗

1KΩ∗

COMPARATORS

DETECTOR LOGIC

VOLTAGE MONITOR

CHANNEL 1

45Ω∗

100Ω∗

1KΩ∗

COMPARATORS

DETECTOR LOGIC

VOLTAGE MONITOR

CHANNEL 2

45Ω∗

100Ω∗

1KΩ∗

COMPARATORS

DETECTOR LOGIC

VOLTAGE MONITOR

CHANNEL 3

45Ω∗

100Ω∗

1KΩ∗

COMPARATORS

DETECTOR LOGIC

VOLTAGE MONITOR

* Typical values

FORCE

SENSE

DUTLTH

DUTGTL

IVMON

FORCE

SENSE

DUTLTH

DUTGTL

IVMON

FORCE

SENSE

DUTLTH

DUTGTL

IVMON

FORCE

SENSE

DUTLTH

DUTGTL

IVMON

Revision 3 / December 18, 2002

1

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