UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 100

• Manufacturer Part Number: UPSD3254
• Description: Flash Programmable System Devices with 8032 Microcontroller Core
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Table 81. Transceiver DC Characteristics
Note: 1. V
Table 82. Transceiver AC Characteristics
Note: 1. V
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tEOPR1
tEOPR2
tDRATE
tDEOP
tEOPT
Symb
tDJR1
tDJR2
tUDJ1
tUDJ2
VCRS
Symb
tRFM
V
V
R
R
V
V
V
C
I
2. Level guaranteed for range of V
3. With RPU, external idle resistor, 7.5 ±2%, D- to V
tR
2. Level guaranteed for range of V
3. With RPU, external idle resistor, 7.5 ±2%, D- to V
4. C
5. Measured at crossover point of differential data signals.
6. USB specification indicates 330ns.
tF
OH
CM
IO
OL
SE
PU
PD
DI
IN
CC
CC
L
of 50pF(75ns) to 350pF (300ns).
= 5V ± 10%; V
= 5V ± 10%; V
Low Speed Data Rate
Receiver Data Jitter Tolerance
Differential Input Sensitivity
Differential to EOP Transition Skew
EOP Width at Receiver
EOP Width at Receiver
Source EOP Width
Differential Driver Jitter
Differential Driver Jitter
USB Data Transition Rise Time
USB Data Transition Fall Time
Rise/Fall Time Matching
Output Signal Crossover Volt age
Static Output High
Static Output Low
Differential Input Sensitivity
Differential Input Common Mode
Single Ended Receiver Threshold
Transceiver Capacitance
Data Line (D+, D-) Leakage
External Bus Pull-up Resistance, D-
External Bus Pull-down Resistance
SS
SS
= 0V; T
Parameter
= 0V; T
Parameter
A
A
= 0 to 70°C.
= 0 to 70°C.
CC
CC
= 4.5V to 5.5V.
= 4.5V to 5.5V.
CC
CC
Ave. bit rate (1.5Mb/s ± 1.5%)
To next transition, Fig. 47
For paired transition, Fig 47
Fig. 48
Rejects as EOP
Accepts as EOP
—
To next transition, Fig. 49
To paired transition, Fig. 49
Notes 2, 3, 4
Notes 2, 3, 4
t
—
.
.
R
/ t
F
15k
|(D+) - (D-)|, Fig. 47
Test Conditions
Test Conditions
7.5k
0V < (D+,D-) < 3.3
(5)
15k
± 5% to GND
Notes 2, 3
Fig. 47
± 2% to V
—
—
(5,6)
± 5%
(5)
CC
(1)
(1)
(2,3)
(5)
(5)
1.4775
–1.25
14.25
–150
7.35
Min
–75
–45
–40
165
675
–95
Min
–10
1.3
2.8
0.2
0.8
0.8
75
75
80
—
—
1.5225
15.75
Max
1.50
Max
7.65
100
120
150
300
300
3.6
0.3
2.5
2.0
2.0
75
45
95
20
10
—
—
—
Mbit/s
Unit
Unit
µA
k
k
pF
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
%
V
V
V
V
V
V