AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 200
AT85C5122D-SISUM
Manufacturer Part Number
AT85C5122D-SISUM
Description
RFID Modules & Development Tools 3-5.5V Smart Card Reader
Manufacturer
Atmel
Datasheet
1.AT85C5122D-SISUM.pdf
(213 pages)
Specifications of AT85C5122D-SISUM
Product
RFID Readers
- Current page: 200 of 213
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USB Interface
200
AT8xC5122/23
Differential
Data Lines
V
CRS
This diagram indicates when signals are clocked internally. The time it takes the signals
to propagate to the pins, however, ranges from 25 to 125 ns. This propagation delay is
dependent on variables such as temperature and pin loading. Propagation also varies
from output to output and component. Typically though (T
WR propagation delays are approximately 50 ns. The other signals are typically 85 ns.
Propagation delays are incorporated in the AC specifications.
Symbol
t
FDRATE
V
t
t
t
t
CRS
DJ1
DJ2
JR1
JR2
t
t
R
F
Parameter
Rise Time
Fall Time
Full-speed Data Rate
Crossover Voltage
Source Jitter Total to next transaction
Source Jitter Total for paired
transactions
Receiver Jitter to next transaction
Receiver Jitter for paired transactions
10%
Rise Time
t
R
90%
90%
11.9700
Fall Time
-18.5
Min
-3.5
1.3
-4
-9
4
4
t
F
10%
A
Typ
=25 C fully loaded) RD and
(5)
12.0300
Max
18.5
2.0
3.5
20
20
4
9
4202E–SCR–06/06
V
V
Unit
Mb/s
Hmin
Lmax
ns
ns
ns
ns
ns
ns
V
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