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68HC705JB3 Datasheet(PDF) 122 Page - Freescale Semiconductor, Inc

Part # 68HC705JB3
Description  8-bit microcontroller units (MCUs)
PDF  134 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC705JB3 Datasheet(HTML) 122 Page - Freescale Semiconductor, Inc

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GENERAL RELEASE SPECIFICATION
November 5, 1998
MOTOROLA
ELECTRICAL SPECIFICATIONS
MC68HC05JB3
13-4
REV 1
13.5
USB LOW SPEED SOURCE ELECTRICAL CHARACTERISTICS
NOTES:
1.
All voltages measured from local ground, unless otherwise specified.
2.
All timings use a capacitive load of 50pF, unless otherwise specified.
3.
Low speed timings have a 1.5k pull-up to 2.8V on the D– data line.
4.
Measured from 10% to 90% of the data signal.
5.
The rising and falling edges should be smooth transitions (monotonic).
6.
Timing differences between the differential data signals.
7.
Measured at crossover point of differential data signals.
8.
Capacitive loading includes 50pF of tester capacitance.
Table 13-3. USB Low Speed Source Electrical Characteristics
Parameter
Symbol
Conditions
(Notes 1,2,3)
Min
Typ
Max
Unit
Transition time:
Rise Time
Fall Time
TR
TF
Notes 4, 5, 8
CL=50pF
CL=350pF
CL=50pF
CL=350pF
75
75
300
300
ns
ns
ns
ns
Rise/Fall Time Matching
TRFM
TR/TF
80
120
%
Output Signal Crossover
Voltage
VCRS
1.3
2.0
V
Low Speed Data Rate
TDRATE
1.5Mbs
±1.5%
1.4775
676.8
1.500
666.0
1.5225
656.8
Mbs
ns
Source Differential Driver Jitter
To Next Transition
For Paired Transitions
TUDJ1
TUDJ2
CL=350pF
Notes 6 and 7
–25
–10
25
10
ns
ns
Receiver Data Jitter Tolerance
To Next Transition
For Paired Transitions
TDJR1
TDJR2
CL=350pF
Notes 7
–75
–45
75
45
ns
ns
Source EOP Width
TEOPT
Note 7
1.25
1.50
µs
Differential to EOP Transition
Skew
TDEOP
Note 7
–40
100
ns
Receiver EOP Width
Must Reject as EOP
Must Accept
TEOPR1
TEOPR2
Note 7
330
675
ns
ns
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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