PT6314 Datasheet, PDF (38/49 Pages) Texas Instruments – 3 Amp Adjustable Positive Step-down Integrated Switching Regulators

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Dot Character VFD Controller/Driver IC
PT6314
TIMING 3 REQUIREMENTS
(Unless otherwise specified, Ta=-40 to +85℃)
Serial Data Transfer: (VDD1=5V±10%)
Parameter
Symbol
Shift clock cycle
tCYK
High level shift clock pulse width
tWHK
Low level shift clock pulse width
tWLK
Shift clock hold time
tHSTBK
Data setup time
tDS
Data hold time
tDH
STB hold time
tDKSTB
STB pulse width
tWSTB
Wait time
tWAIT
Output data delay time
tODD
Output data hold time
tODH
Reset pulse width
tWRE
Condition
SCK
SCK
SCK
STB↓ → SCK↓
Data → SCK↑
SCK↑ → Data
SCK↑ → STB↑
8th CLK↑→ 1st CLK↓
SCK↓ → Data
SCK↑ → Data
Min. Typ. Max. Unit
500 - - ns
200 - - ns
200 - - ns
100 - - ns
100 - - ns
100 - - ns
500 - - ns
500 - - ns
1 - - ns
- - 150 ns
5 - - ns
500 - - ns
SERIAL I/F (INPUT)
tWSTB
STB
tHSTBK
SCK
SI
tCYK
tWHK tWLK
tDS tDH
tCKSTB
PT6314 V1.3
- 38 -
March, 2006