參數(shù)資料
型號: PDIUSBD12PW
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: nullUSB interface device with parallel bus
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDSO28
封裝: 4.40 MM , PLASTIC, MO-153, SOT-361-1, TSSOP-28
文件頁數(shù): 24/35頁
文件大小: 838K
代理商: PDIUSBD12PW
Philips Semiconductors
PDIUSBD12
USB interface device with parallel bus
Product data
Rev. 08 — 20 December 2001
24 of 35
9397 750 09238
Koninklijke Philips Electronics N.V. 2001. All rights reserved.
15. Dynamic characteristics
[1]
[2]
Test circuit, see
Figure 22
.
Characterized but not implemented as production test. Guaranteed by design.
Table 16:
C
L
= 50 pF; R
PU
= 1.5 k
on D+ to V
CC
; unless otherwise specified.
Symbol Parameter
Driver characteristics
t
R
rise time
t
F
fall time
t
RFM
rise/fall time matching (t
R
/t
F
)
V
CRS
output signal crossover voltage
Driver timings
t
EOPT
source EOP width
t
DEOP
differential data to EOP transition skew
Receiver timings:
t
JR1
receiver data jitter tolerance to next transition
t
JR2
receiver data jitter tolerance for paired transitions
t
EOPR1
EOP width at receiver
AC characteristics (AI/O pins; FULL speed)
[1]
Conditions
Min
Max
Unit
10% to 90%
10% to 90%
4
4
90
1.3
20
20
110
2.0
ns
ns
%
V
see
Figure 16
see
Figure 16
160
2
175
+5
ns
ns
18.5 +18.5 ns
9
+9
40
-
ns
ns
must reject as EOP;
see
Figure 16
must accept as EOP;
see
Figure 16
[2]
t
EOPR2
EOP width at receiver
[2]
82
ns
Fig 16. Differential data-to-EOP transition skew and EOP width.
SV00837
t
PERIOD
DIFFERENTIAL
DATA LINES
CROSSOVER POINT
CROSSOVER POINT
EXTENDED
DIFFERENTIAL DATA TO
SEO/EOP SKEW
N * t
PERIOD
+ t
DEOP
SOURCE EOP WIDTH: t
EOPT
RECEIVER EOP WIDTH: t
EOPR1
, t
EOPR2
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