Philips Semiconductors
PDIUSBD12
USB interface device with parallel bus
Product data Rev. 08 — 20 December 2001 28 of 35
9397 750 09238
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
16. Test information
The dynamic characteristics of the analog I/O ports (D+ and D−) as listed in Tabl e 16 ,
were determined using the circuit shown in Figure 22.
Fig 22. Load for D+/D−.
D. U. T.
TEST POINT
C
L
= 50pF
1.5kΩ IS INTERNAL
15kΩ
22Ω
SV00849
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