13. Test information
ISP1105/1106
Advanced USB transceivers
D.U.T.
test point
33 Ω
500 Ω
50 pF
V = 0 V for tPZH, tPHZ
V = Vreg(/3.3) for tPZL, tPLZ
Fig 11. Load for enable and disable times.
V
MBL142
D.U.T.
Fig 12. Load for VM, VP and RCV.
test point
25 pF
MGS968
Vpu(3.3)
D.U.T.
1.5 kΩ(1)
D +/D −
33 Ω
test point
CL
15 kΩ
MGS967
Load capacitance:
(1) CL = 50 pF or 125 pF (full-speed mode, minimum or maximum timing)
(2) CL = 50 pF or 600 pF (low-speed mode, minimum or maximum timing)
(1) Full-speed mode: connected to D+; low-speed mode: connected to D−.
Fig 13. Load for D+, D−.
ISP1105_1106_10
Product data sheet
Rev. 10 — 28 September 2009
© ST-ERICSSON 2009. All rights reserved.
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