TH6503 Datasheet, PDF (7/24 Pages) List of Unclassifed Manufacturers – USB Low-Speed Interface

TH6503 USB Low-Speed Interface
Timing Serial
Interface
(continued)
Description [1]
General
Symbol Unit
min
typ
max
Oscillator Input period on OSC1
ns
164
170
Rising time of SDO
Falling time of SDO
SCK period
High time SCK [2]
Low time SCK [2, 3]
Data IN
t₁
ns
20
t₂
ns
7
t
ns
600
3
Step
t₄
ns
345
t₅
ns
255
Setup time of SCK after rising edge of SIN
t₆
ns
170
Hold time of SIN after last rising edge of SCK
t₇
ns
170
Setup time of INT-Signal after rising edge of SIN
t₈
ns
200
Hold time of INT-Signal after falling edge of SIN
t₉
ns
165
Setup time of Data on SDI before rising edge of SCK
t₁₀
ns
170
Hold time of Data on SDI after falling edge of SCK
t₁₁
ns
0
Data OUT
Setup time of SDI-pulse after falling edge of SIN
t₁₂
ns
170
Setup time of SIN after last falling edge of SCK
t
ns
170
13
High time of SDI-pulse
t₁₄
ns
255
Setup time of Data on SDO after falling edge of SDI-pulse
t₁₅
ns
280
Setup time of SCK after falling edge of SDI-pulse
t₁₆
ns
170
Setup time of Data on SDO after falling edge of SCK
t₁₇
ns
365
Notes:
[1] Capacitive load of 50 pF
[2] Can be asymmetrical
[3] The low time of SCK between the last bit of a byte and the first bit of the next byte must be at least 510 ns.
Input signals are double buffered and digital filtered. Therefore all spikes with a width < 255 ns are
suppressed.
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