W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 180

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

7.3.4
USB Transceiver AC Characteristics
T
SYM.
SYMBOL
T
DRATE
T
T
RFM
T
T
T
T
T
T
T
T
T
R
F
ADDO
NCSO
NOEO
NWBO
DH
DSU
DO
NWASU
NWAH
USB Transceiver AC Characteristics
Rise Time (Full Speed)
Fall Time (Full Speed
Rise/Fall Time Matching (Full Speed)
Full Speed Data Rate
Full Speed: 4 to 20ns at C
Address Output Delay Time
ROM/SRAM/Flash or External I/O Chip Select Delay Time
ROM/SRAM or External I/O Bank Output Enable Delay
ROM/SRAM or External I/O Bank Write Byte Enable Delay
Read Data Hold Time
Read Data Setup Time
Write Data Output Delay Time (SRAM or External I/O)
External Wait Setup Time
External Wait Hold Time
DESCRIPTION
C
C
L
L
L
= 50pF
Differential
Data Lines
DESCRIPTION
Data Signal Rise and Fall Time
Low Speed: 75ns at C
10%
Rise Tim e
- 177 -
CL = 50 pF
CL = 50 pF
Average bit rate
(12 Mb/s ±0.25%)
W90N740CD/W90N740CDG
t
R
CONDITIONS
90%
Publication Release Date: September. 19, 2005
L
= 50pF, 300ns at C
90%
11.97
Fall Tim e
MIN.
90
4
4
MIN.
t
L
F
2
2
2
7
2
1
2
0
3
= 350pF
10%
12.03
MAX.
112
MAX.
20
20
7
7
7
7
7
Revision A7
Mbps
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
%