isp1521 NXP Semiconductors, isp1521 Datasheet - Page 46

• Manufacturer Part Number: isp1521
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
17. Test information
ISP1521_4
Product data sheet
Fig 21. High-speed transmitter and receiver test circuit
Fig 22. Full-speed test circuit
(1) Transmitter: connected to 50
(1) C
Receiver: connected to 50
L
= 50 pF for full-speed.
Rev. 04 — 30 March 2006
DUT
speed
full-
DUT
DPn
DMn
GND
V
CC
outputs of a high-speed differential data generator.
(1)
inputs of a high-speed differential oscilloscope.
143
DPn
DMn
RPU
3.3 V
1.5 k
C
C
L
L
(1)
(1)
143
15.8
15.8
5
15 k
15 k
50
50
test point
test point
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
mdb274
coax
coax
mdb273
(1)
D
D
ISP1521
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