参数资料
型号: UPSD3213B-40T6T
厂商: 意法半导体
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
中文描述: 闪存可编程系统设备与8032微控制器核心和64Kbit SRAM的
文件页数: 101/176页
文件大小: 1081K
代理商: UPSD3213B-40T6T
101/176
μ
PSD323X
Table 81. Transceiver DC Characteristics
Note: 1. V
DD
=5V
±
10%; V
SS
=0V; T
A
=0 to 70
2. Level guaranteed for range of V
DD
= 4.5V to 5.5V
3. With RPU, external idle resistor, 7.5
κ
±
2%, D- to V
DD
.
4. C
L
of 50pF(75ns) to 350pF (300ns).
5. Measured at crossover point of differential data signals.
6. USB specification indicates 330ns
Table 82. Transceiver AC Characteristics
Note: 1. V
DD
=5V
±
10%; V
SS
=0V; T
A
=0 to 70
Symb
Parameter
Test Conditions
Min
Max
Unit
V
OH
Static Output High
15k
±
5%
2.8
3.6
V
V
OL
Static Output Low
Notes 2,3
0.3
V
V
DI
Differential Input Sensitivity
|(D+) - (D-)|, Fig 6.9
0.2
V
V
CM
Differential Input Common Mode
Fig 6.9
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
μ
A
R
PU
External Bus Pull-up Resistance, D-
7.5k
±
2%
7.35
7.65
k
R
PD
External Bus Pull-down Resistance
15k
±
5%
14.25
15.75
k
Parameter
Symb
Min
Max
Unit
Test Conditions
Low Speed Data Rate
fDRATE
1.4775
1.5225
Mbit/s
Ave.bit rate
Receiver Data Jitter Tolerance
tDJR1
–75
75
ns
to next transition,
Differential Input Sensitivity
tDJR2
–45
45
ns
for paired transition,
Differential to EOP Transition Skew
tDEOP
–40
100
ns
Fig 6.10
4
EOP Width at Receiver
tEOPR1
165
ns
rejects as EOP
4, 5
EOP Width at Receiver
tEOPR2
675
ns
accepts as EOP
4
Source EOP Width
tEOPT
–1.25
1.50
μ
s
Differential Driver Jitter
tUDJ1
–95
95
ns
to next transition,
Differential Driver Jitter
tUDJ2
–150
150
ns
to paired transition,
USB Data Transition Rise Time
tR
75
300
ns
Notes
1, 2, 3
USB Data Transition Fall Time
tF
75
300
ns
Notes
1, 2, 3
Rise/Fall Time Matching
tRFM
80
120
%
t
R
/ t
F
Output Signal Crossover Volt age
VCRS
1.3
2.0
V
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