BCM43907 Preliminary Data Sheet
USB PHY Electrical Characteristics and Timing
USB PHY Electrical Characteristics and Timing
USB 2.0 and USB 1.1 Electrical and Timing Parameters
Table 53 provides electrical and timing parameters for USB 2.0.
Table 53: USB 2.0 Electrical and Timing Parameters
Parameter
Symbol Minimum Typical
Maximum Units Conditions
Baud rate
B
–
–
480
–
–
Mbps
ps
–
–
PS
Unit interval
UI
2083
Receiver – HS Mode
Differential input voltage
sensitivity
V
V
300
–50
–
–
–
mV
mV
Static | V
V
|
HSDI
IDP – IDN
Input common mode voltage
range
500
–
–
HSCM
Receiver jitter tolerance
Input impedance
–0.15
40.5
–
0.15
49.5
UI
T
HSRX
R
45
Ω
Single ended
IN
Transmitter – HS Mode
Output high voltage
Output low voltage
Output rise time
V
V
360
–10
500
500
–0.05
40.5
700
400
0
440
10
mV
mV
ps
Static condition
Static condition
10% to 90%
HSOH
HSOL
HSR
T
T
–
–
Output fall time
–
–
ps
90% to 10%
HSF
Transmitter jitter
–
0.05
49.5
1100
UI
Transmit output jitter
Single ended
T
HSTX
Output impedance
R
45
–
Ω
O
Chirp-J output voltage
(differential)
V
mV
HS termination disabled.
1.5 kΩ ± 5% pull-up
resistor connected.
CHIRPJ
CHIRPK
Chirp-K output voltage
(differential)
V
–900
–
–500
mV
HS termination disabled.
1.5 kΩ ± 5% pull-up
resistor connected.
Note: Refer to Section 7 of the USB 2.0 specification (www.usb.org) for more information on the
receiver eye diagram template.
Broadcom®
March 12, 2016 • 43907-DS104-R
Page 117
BROADCOM CONFIDENTIAL
CYPRESS [ CYPRESS ]
