PDIUSBD Philips Semiconductors, PDIUSBD Datasheet - Page 13

• Manufacturer Part Number: PDIUSBD
• Description: USB device with serial interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS (AI/O pins, FULL speed)
1999 Jul 22
Driver characteristics
Driver Timings
Receiver Timings
USB device with serial interface
SYMBOL
DIFFERENTIAL
DATA LINES
t
t
t
t
EOPR1
EOPR2
V
t
EOPT
DEOP
t
t
RFM
JR1
JR2
CRS
t
t
t
r
f
PERIOD
Transition Time:
Rise/fall time matching
Output signal crossover voltage
Source EOP width
Differential data to EOP transition skew
Receiver Data Jitter Tolerance
EOP Width at Receiver
Rise time
Fall time
To next transition
For paired transitions
Must reject as EOP
Must accept
PARAMETER
Figure 1. Differential data to EOP transition skew and EOP width
DIFFERENTIAL DATA TO
CROSSOVER POINT
N * t
SEO/EOP SKEW
PERIOD
+ t
DEOP
13
C
R
Between 10% and 90%
Between 10% and 90%
(t
Figure 1
Figure 1
Characterized and not tested.
G
Guaranteed by design.
Figure 1
r
L
pu
/t
= 50 pF;
f
)
= 1.5 k
CROSSOVER POINT
t
EXTENDED
TEST CONDITIONS
d b d
on D+ to V
i
CC
SOURCE EOP WIDTH: t
RECEIVER EOP WIDTH: t
–18.5
MIN
160
1.3
90
–2
–9
40
82
4
4
PDIUSBD11
EOPT
Product specification
EOPR1
MAX
18.5
175
110
2.0
20
20
5
9
, t
SV00837
EOPR2
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
%
V