Datasheet > ST1284-XXA8_03

ST1284-XXA8_03

更新时间： 2024-09-24 03:14:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
6页	141K
描述
PARALLEL PORT SINGLE TERMINATION NETWORK WITH 【15kV ESD PROTECTION

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ST1284-XXA8_03 数据手册

ST1284-xxA8

PARALLEL PORT SINGLE TERMINATION

NETWORK WITH ±15kV ESD PROTECTION

A.S.D.^TM

MAIN APPLICATIONS

ECP/EPP Parallel Port termination on:

■

Desktops

Notebooks

Workstations

Servers

PC Peripherals

Set Top Box

QSOP28

FEATURES

■

One device for parallel port termination

Compliant with IEEE1284 standard

EMI / RFI noise filtering

Highly integrated solution in 28 pin QSOP

packages

One single device provides the proper termina-

tion for 8 datalines, 1 strobe line, 4 control lines

and 4 statuts lines

In system ESD protection of ±15 kV (air dis-

charge) as per IEC61000-4-2 level 4

SCHEMATIC DIAGRAM

Vcc

■

Vcc

DESCRIPTION

Vcc

Gnd

The ST1284-xxA8 is a highly integrated termina-

tion for enhanced high speed parallel ports. The

integrated termination complies to the IEEE1284

Standard recommendations and government

EMC compatibility requirements. It is built around

two basic cells. The first one (Cell 1) provides line

termination, EMI filtering and ESD protection for

the Strobe and Datalines while the second one

(Cell 2) provides EMI filtering and ESD protection

for the Control and Status lines. In addition,

ST1284-xxA8 provides extra protection against

ESD. When tested according to IEC61000-4-2,

they withstand ±8kV contact discharges and

±15kV air-discharges, thereby providing to the

system the necessary robustness to meet up to

level 4 of IEC61000-4-2, without the need for addi-

tional ESD protection components. Cells 1 and 2

are described in more detail in figures 1 and 2.

Vcc

Code 01

Code 02

Code 03

4.7kΩ 4.7kΩ

2.2kΩ 2.2kΩ

180pF

220pF

150pF

± 20%

33Ω

COMPLIES WITH THE FOLLOWING ESD

STANDARDS :

- IEC61000-4-2

±15kV (air discharge)

± 8kV (contact discharge)

1kΩ

5.1kΩ

39Ω

- MIL STD 883E - Method 3015-7 : Class 3

(human body model).

Tolerance ± 10% ± 10%

± 10%

October 2003 - Ed: 2B

1/6

12 3 4 5 6

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