E4257ALPT-T データシートの表示（PDF） - Semtech Corporation

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E4257ALPT-T

Dual Channel Per-Pin Parametric Measurement Unit

Semtech Corporation 

TEST AND MEASUREMENT PRODUCTS

E4287 PIN Description (continued)

[0] refers to Channel 0, [1] refers to Channel 1

E4237/E4257/E4287

Pin Name

External PMU

EPMUF

EPMUS

SELIPMU[0:1]

SELEPMU[0:1]

Analog MUX

VA[0:1]

VAOUT[0:1]

VB[0:1]

VBOUT[0:1]

VC[0:1]

SELC[0:1]

Power Supplies

VCC[0:1]

SVCC

VEE[0:1]

AGND

VDD

DGND

Pin #

Description

70

71

44, 17

43, 18

External PMU force input to both channels.

External PMU sense input to both channels.

Digital input that switches internal PMU to FORCE/SENSE.

Digital input that switches external PMU to FORCE/SENSE.

31, 30

69, 72

32, 29

68, 73

33, 28

47, 14

Voltage A switch analog input.

Voltage A output.

Voltage B switch analog input.

Voltage B output.

Voltage C switch analog input.

Digital inputs to select C switches.

60, 61, 1, 80 PMU positive analog power supply.

74

Switch positive analog power supply to both channels.

40, 41, 20, 21 Negative analog power supply.

67

Analog ground to both channels.

13

Positive digital power supply to both channels.

48

Digital ground to both channels.

 2005 Semtech Corp. / Rev. 5, 11/30/05

4

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