Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Dot Character VFD Controller/Driver IC
PT6314
TIMING 3 REQUIREMENTS
(Unless otherwise specified, Ta=-40 to +85
℃)
Serial Data Transfer: (VDD1=5V 10%)
Parameter
Shift clock cycle
High level shift clock pulse width
Low level shift clock pulse width
Shift clock hold time
Data setup time
Data hold time
STB hold time
STB pulse width
Wait time
Symbol
tCYK
tWHK
tWLK
tHSTBK
tDS
Condition
SCK
Min. Typ. Max. Unit
500
200
200
100
100
100
500
500
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
SCK
SCK
STB↓ → SCK↓
Data → SCK↑
SCK↑ → Data
SCK↑ → STB↑
tDH
tDKSTB
tWSTB
tWAIT
tODD
tODH
tWRE
8th CLK↑→ 1st CLK↓
SCK↓ → Data
Output data delay time
Output data hold time
Reset pulse width
-
150 ns
SCK↑ → Data
5
500
-
-
ns
ns
SERIAL I/F (INPUT)
tWSTB
STB
tCYK
tWHK tWLK
tCKSTB
tHSTBK
SCK
SI
tDS tDH
PT6314 V1.3
- 38 -
March, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
