PRTR5V0U4Y_1

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 01 — 8 May 2008

3 of 10

NXP Semiconductors

PRTR5V0U4Y

Integrated quad ultra-low capacitance ESD protection

6.

Characteristics

7.

Application information

7.1 IEEE 1394a/b protection

The PRTR5V0U4Y is optimized to protect both the IEEE 1394 physical layer and the

IEEE 1394 connector ports against ESD.

Table 5.

Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

input/output to ground

capacitance

-

1.0

-

pF

reverse leakage current

-

-

100

nA

breakdown voltage

Zener diode; I = 1 mA

6

-

9

V

forward voltage

-

0.7

-

V

Fig 1.

Typical application for IEEE 1394a/b ESD protection

001aag050

1 M

Ω

56

Ω

56

Ω

56

Ω

56

Ω

5 k

Ω

1 nF

10 nF

220 pF

1

1

2

3

TPB+

TPB

−

TPA+

IEEE 1394

PHYSICAL

LAYER

TPA

−

6

5

4

BUS PWR

TPB+

GND

Shld2

TPB

−

TPA+

TPA

−

PWR

Shld1

4

2

8

3

6

5

1394

CONNECTOR

1

7

TPBIAS