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BCM4354KKWBGT Datasheet, PDF (56/192 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver
BCM4354 Data Sheet
USB Interface
USB Full-Speed Timing
Table 13 shows timing specifications for the VDD_USB = 3.3V, VSS = 0V, and TA = 0°C to 85°C operating
temperature range.
Table 13: USB Full-Speed Timing Specifications
Reference
1
2
3
4
Characteristics
Transition rise time
Transition fall time
Rise/fall timing matching
Full-speed data rate
Minimum
4
4
90
12 – 0.25%
Maximum
20
20
111
12 + 0.25%
Unit
ns
ns
%
Mb/s
Figure 17: USB Full-Speed Timing
D+
VCRS
1
90%
2
90%
10%
10%
D-
Broadcom®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 55