ISP1130DL Philips Semiconductors, ISP1130DL Datasheet - Page 59

• Manufacturer Part Number: ISP1130DL
• Description: Universal Serial Bus compound hub with integrated keyboard controller
• Manufacturer: Philips Semiconductors

18. Test information
Philips Semiconductors
9397 750 06895
Objective specification
The dynamic characteristics of the analog I/O ports (D and D ) as listed in
Section
Fig 13. Load impedance for D and D pins.
Load capacitance:
Speed selection:
C
C
full-speed mode (FS): 1.5 k pull-up resistor on D
low-speed mode (LS): 1.5 k pull-up resistor on D .
16, were determined using the circuit shown in
L
L
= 50 pF (full-speed mode)
= 200 pF or 600 pF (low-speed mode, minimum or maximum timing).
handbook, halfpage
Rev. 01 — 23 March 2000
D.U.T.
18
test point
15 k
USB compound hub with keyboard controller
C L
S1
D /LS
D /LS
D /FS
D /FS
test
1.5 k
Figure
V CC
closed
closed
open
open
MGS802
© Philips Electronics N.V. 2000. All rights reserved.
S1
13.
ISP1130
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