MAX3397E 查看數據表（PDF） - Maxim Integrated

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MAX3397E

Dual Bidirectional Low-Level Translator in µDFN

Maxim Integrated 

Dual Bidirectional Low-Level

Translator in µDFN

Functional Diagram

VL EN

VCC

PU1

ONE-SHOT

BLOCK

ONE-SHOT

BLOCK

PU2

TRIGGER

GATE

BIAS

MAX3397E

I/O VL_

N

I/O VCC_

GND

latchup, whereas competing products can latch and

must be powered down to remove latchup. ESD protec-

tion can be tested in various ways. The I/O VCC lines of

the MAX3397E are characterized for protection to the

following limits:

1) ±15kV using the Human Body Model

2) ± 8kV using the Contact Discharge method specified

by IEC 61000-4-2

3) ±15kV using the Air-Gap Discharge method specified

by IEC 61000-4-2

ESD Test Conditions

ESD performance depends on a variety of conditions.

Contact Maxim for a reliability report that documents

test setup, test methodology, and test results.

Human Body Model

Figure 2a shows the Human Body Model, and Figure 2b

shows the current waveform it generates when dis-

charged into a low-impedance state. This model con-

sists of a 100pF capacitor charged to the ESD voltage

of interest that is then discharged into the test device

through a 1.5kΩ resistor.

IEC 61000-4-2

The IEC 61000-4-2 standard covers ESD testing and

performance of finished equipment; it does not specifi-

cally refer to integrated circuits. The MAX3397E helps

RC 1MΩ

CHARGE-CURRENT-

LIMIT RESISTOR

RD 1500Ω

DISCHARGE

RESISTANCE

HIGH-

VOLTAGE

DC

SOURCE

Cs

100pF

STORAGE

CAPACITOR

DEVICE

UNDER

TEST

Figure 2a. Human Body ESD Test Model

IP 100%

90%

Ir

PEAK-TO-PEAK RINGING

(NOT DRAWN TO SCALE)

AMPERES

36.8%

10%

0

0 tRL

TIME

tDL

CURRENT WAVEFORM

Figure 2b. Human Body Current Waveform

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