BCM4354KKWBGT Datasheet, PDF (178/192 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
PCI Express Interface Parameters
PCI Express Interface Parameters
Table 60: PCI Express Interface Parameters
Parameter
Symbol
Comments
Minimum Typical Maximum Unit
General
Baud rate
BPS
–
–
Reference clock
Vref
amplitude
LVPECL
1
Receiver
Differential termination ZRX-DIFF-DC
Differential termination 80
DC impedance
Powered down
termination (POS)
ZRX-DC
DC common-mode 40
impedance
ZRX-HIGH-IMP-DC- Power-down or RESET 100k
POS
high impedance
Powered down
termination (NEG)
ZRX-HIGH-IMP-DC- Power-down or RESET 1k
NEG
high impedance
Input voltage
VRX-DIFFp-p
AC coupled, differential 175
p-p
Jitter tolerance
TRX-EYE
Differential return loss RLRX-DIFF
Minimum receiver eye 0.4
width
Differential return loss 10
Common-mode return RLRX-CM
loss
Common-mode return 6
loss
Unexpected electrical TRX-IDEL-DET- An unexpected
–
idle enter detect
DIFF-ENTERTIME electrical idle must be
threshold integration
recognized no longer
time
than this time to signal
an unexpected idle
condition.
Signal detect threshold VRX-IDLE-DET-
DIFFp-p
Electrical idle detect 65
threshold
5
–
–
–
100 120
50
60
–
–
–
–
–
–
–
–
–
–
–
–
–
10
–
175
Gbaud
V
Ω
Ω
Ω
Ω
mV
UI
dB
dB
ms
mV
Transmitter
Output voltage
VTX-DIFFp-p
Output voltage rise
time
VTX-RISE
Output voltage fall time VTX-FALL
Differential p-p,
programmable in 16
steps
20% to 80%
80% to 20%
0.8
–
0.125
–
(2.5 GT/s)
0.15
(5 GT/s)
0.125
–
(2.5 GT/s)
0.15
(5 GT/s)
1200
mV
–
UI
–
UI
Broadcom^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 177