NXP Semiconductors
PRTR5V0U4Y
Integrated quad ultra-low capacitance ESD protection
6. Characteristics
Table 5. Characteristics
T amb = 25 ° C unless otherwise speci?ed.
Symbol
C (I/O-GND)
Parameter
input/output to ground
Conditions
pins 1, 3, 4 and 6; V I = 0 V; f = 1 MHz;
Min
-
Typ
1.0
Max
-
Unit
pF
capacitance
V CC = 3.0 V
I LR
V BR
V F
reverse leakage current
breakdown voltage
forward voltage
pins 1, 3, 4 and 6 to ground; V I = 3.0 V
Zener diode; I = 1 mA
-
6
-
-
-
0.7
100
9
-
nA
V
V
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.
IEEE 1394
PHYSICAL
LAYER
TPBIAS
BUS PWR
TPA+
TPA ?
56 ?
1
56 ?
1 μ F
6
Shld1
PWR
TPA+
TPA ?
7
1
6
5
1394
CONNECTOR
2
3
5
4
TPB+
TPB ?
TPB+
TPB ?
4
3
56 ?
56 ?
GND
Shld2
2
8
220 pF
5 k ?
1 nF
10 nF
1 M ?
001aag050
PRTR5V0U4Y_1
Fig 1.
Typical application for IEEE 1394a/b ESD protection
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 8 May 2008
3 of 10
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