BCM4319XKUBGT Datasheet, PDF (79/84 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/ Radio with Integrated SDIO and USB Interfaces

BCM4319 Preliminary Data Sheet
USB Interface Timing Specifications
Section 15: USB Interface Timing
Specifications
USB 2.0 Electrical and Timing Parameters
Table 30: USB 2.0 Electrical and Timing Parameters
Parameter
Symbol Condition
Baud Rate
B_PS
–
Unit Interval
UI
–
PLL Clock Generator
PLL Reference Clock Jitter Δτr_φ
Peak-to-peak jitter input
PLL Output Jitter
Dt_f
Peak-to-peak jitter
PLL Lock Time
–
–
Receiver — HS
Differential Input Voltage V_HSDI Static | V_IDP - V_IDN |
Sensitivity
Input Common Mode
Voltage Range
V_HSCM –
Input Waveform Requirements^a
RX Jitter Tolerance^a
Δτ_HSRX Input jitter tolerance
Input Impedance
R_IN
Single-ended
Squelch Detection
Threshold (differential)
V_HSSQ Squelch detected
No squelch detected
Disconnect Detection
Threshold (differential)
V_HSDSC Disconnect detected
Disconnect not detected
Transmitter — HS
Output High Voltage
V_HSOH Static condition
Output Low Voltage
V_HSOL Static condition
Output Waveform Requirements^a
Output Rise Time^a
T_HSR 10 to 90%
Output Fall Time^a
T_HSF 10 to 90%
TX Jitter Performance^{a Δτ}HSTX ^{TX output jitter}
Output Impedance
R_O
Single-ended
Chirp-J Output Voltage
(differential)
V_CHIRPJ HS termination disabled.
RPU connected
Value
Minimum Typical Maximum Unit
–
480
–
Mbit/s
–
2083 –
ps
–
–
10
ps
–
–
150
ps
–
–
30
μs
300
–
–
mV
–50
–
–
mV
–0.15
0.15
UI
40.5
45
49.5
Ω
–
100
mV
150
–
mV
625
–
mV
–
–
525
mV
360
400
440
mV
–10
0
10
mV
500
–
500
–
–0.05
–
40.5
45
700
–
ps
ps
0.05
UI
49.5
Ω
1100
mV
Broadcom^®
April 2, 2014 • 4319-DS05-R
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 78