PT6314 Datasheet, PDF (35/49 Pages) Texas Instruments – 3 Amp Adjustable Positive Step-down Integrated Switching Regulators

Dot Character VFD Controller/Driver IC
SWITCHING TIMING
TT HL
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT6314
TT LH1, 2
9 0%
SGn, GRn
1 0%
9 0%
1 0%
TIMING 1 REQUIREMENTS
(Unless otherwise specified, Ta=-40 to +85℃)
M68 Interface Parallel Data Transfer: Write (VDD1=5.0V ±10%)
Parameter
Symbol
Condition
Enable cycle time
tCYCE
E↑ → E↑
Enable “H” pulse width PWEH
E
Enable ”L” pulse width PWEL
E
RS, R/W - E setup time
tAS
RS,R/W → E↑
RS, R/W - E hold time
tAH
E↓ → RS,R/W
Data setup time
tDS
Data → E↓
Data hold time
tDH
E↓ → Data
Reset pulse width
tWRE
M68 Interface Parallel Data Transfer: Read (VDD1=5.0±10%)
Parameter
Symbol
Condition
Enable cycle time
tCYCE
E↑ → E↑
Enable “H” pulse width PWEH
E
Enable ”L” pulse width PWEL
E
RS, R/W - E setup time
tAS
RS,R/W → E↑
RS, R/W - E hold time
tAH
E↓ → RS,R/W
Data delay time
tDD
E↑ → Data
Data hold time
tDHR
E↓ → Data
Min. Typ. Max. Unit
500 - - ns
230 - - ns
230 - - ns
20 - - ns
10 - - ns
80 - - ns
10 - - ns
500 - - ns
Min. Typ. Max. Unit
500 - - ns
230 - - ns
230 - - ns
20 - - ns
10 - - ns
- - 160 ns
5 - - ns
PT6314 V1.3
- 35 -
March, 2006