Usb transceiver, Ac timing characteristics, Reset timing – Cypress EZ-OTG CY7C67200 User Manual
Page 67
CY7C67200
Document #: 38-08014 Rev. *G
Page 67 of 78
USB Transceiver
USB 2.0-compatible in full- and low-speed modes.
This product was tested as compliant to the USB-IF specification under the test identification number (TID) of 100390449 and is
listed on the USB-IF’s integrators list.
AC Timing Characteristics
Reset Timing
V
A_SESS_VALID
A-Device Session Valid
0.8
2.0
V
V
B_SESS_VALID
B-Device Session Valid
0.8
4.0
V
V
A_SESS_END
B-Device Session End
0.2
0.8
V
E
Efficiency When Loaded
I
LOAD
= 8 mA, VCC = 3.3V
75
%
R
PD
Data Line Pull Down
14.25
24.8
Ω
R
A_BUS_IN
A-device V
BUS
Input Impedance
to GND
V
BUS
is not being driven
40
100
k
Ω
R
B_SRP_UP
B-device V
BUS
SRP Pull Up
Pull-up voltage = 3.0V
281
Ω
R
B_SRP_DWN
B-device V
BUS
SRP Pull Down
656
Ω
Table 41.DC Characteristics: Charge Pump (continued)
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
Note
9. Clock is 12 MHz nominal.
Parameter
Description
Min.
Typ.
Max.
Unit
t
RESET
nRESET Pulse Width
16
clocks
t
IOACT
nRESET HIGH to nRD or nWRx Active
200
µs
nRESET
nRD or nWRL or nWRH
t
RESET
t
IOACT
Reset Timing