參數(shù)資料
型號(hào): 9202
廠商: 意法半導(dǎo)體
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core
中文描述: 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核
文件頁數(shù): 100/175頁
文件大小: 1731K
代理商: 9202
UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
100/175
Table 81. Transceiver DC Characteristics
Note: 1. V
CC
= 5V ± 10%; V
SS
= 0V; T
A
= 0 to 70°C.
2. Level guaranteed for range of V
CC
= 4.5V to 5.5V.
3. With RPU, external idle resistor, 7.5
κ
±2%, D- to V
CC
.
Table 82. Transceiver AC Characteristics
Note: 1. V
CC
= 5V ± 10%; V
SS
= 0V; T
A
= 0 to 70°C.
2. Level guaranteed for range of V
CC
= 4.5V to 5.5V.
3. With RPU, external idle resistor, 7.5
κ
±2%, D- to V
CC
.
4. C
L
of 50pF(75ns) to 350pF (300ns).
5. Measured at crossover point of differential data signals.
6. USB specification indicates 330ns.
Symb
Parameter
Test Conditions
(1)
Min
Max
Unit
V
OH
Static Output High
15k
± 5% to GND
(2,3)
2.8
3.6
V
V
OL
Static Output Low
Notes 2, 3
0.3
V
V
DI
Differential Input Sensitivity
|(D+) - (D-)|, Fig. 47
0.2
V
V
CM
Differential Input Common Mode
Fig. 47
0.8
2.5
V
V
SE
Single Ended Receiver Threshold
0.8
2.0
V
C
IN
Transceiver Capacitance
20
pF
I
IO
Data Line (D+, D-) Leakage
0V < (D+,D-) < 3.3
–10
10
μA
R
PU
External Bus Pull-up Resistance, D-
7.5k
± 2% to V
CC
7.35
7.65
k
R
PD
External Bus Pull-down Resistance
15k
± 5%
14.25
15.75
k
Symb
Parameter
Test Conditions
(1)
Min
Max
Unit
tDRATE
Low Speed Data Rate
Ave. bit rate (1.5Mb/s ± 1.5%)
1.4775
1.5225
Mbit/s
tDJR1
Receiver Data Jitter Tolerance
To next transition, Fig. 47
(5)
–75
75
ns
tDJR2
Differential Input Sensitivity
For paired transition, Fig 47
(5)
–45
45
ns
tDEOP
Differential to EOP Transition Skew
Fig. 48
(5)
–40
100
ns
tEOPR1
EOP Width at Receiver
Rejects as EOP
(5,6)
165
ns
tEOPR2
EOP Width at Receiver
Accepts as EOP
(5)
675
ns
tEOPT
Source EOP Width
–1.25
1.50
μs
tUDJ1
Differential Driver Jitter
To next transition, Fig. 49
–95
95
ns
tUDJ2
Differential Driver Jitter
To paired transition, Fig. 49
–150
150
ns
tR
USB Data Transition Rise Time
Notes 2, 3, 4
75
300
ns
tF
USB Data Transition Fall Time
Notes 2, 3, 4
75
300
ns
tRFM
Rise/Fall Time Matching
t
R
/ t
F
80
120
%
VCRS
Output Signal Crossover Volt age
1.3
2.0
V
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