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URL: http://www.princeton.com.tw
VFD Driver/Controller IC
PT6312
SWITCHING CHARACTERISTIC WAVEFORM
PT6312 Switching Characteristics Waveform is given below.
fosc
OSC
50 %
PW
ST B
ST B
PW
CL K
CLK
t
s et up
DIN
t
P ZL
DOUT
t
THZ
Sn/Gn
90 %
10 %
PW
CL K
t
CL K- ST B
t
ho ld
t
P LZ
t
TZH
where:
PW CLK (Clock Pulse Width)
≥
400ns
t setup (Data Setup Time)
≥
100ns
tCLK-STB (Clock - Strobe Time)
≥
1µs
tTZH (Grid Rise Time)
≤
0.5µs
tTZH (Segment Rise Time)
≤
2µs
fosc = Oscillation Frequency
PW STB (Strobe Pulse Width)
≥
1µs
thold (Data Hold Time)
≥
100ns
tTHZ (Fall Time)
≤
120µs
tPZL (Propagation Delay Time)
≤
100ns
tPLZ (Propagation Delay Time)
≤
300ns
PT6312 V2.6
- 13 -
December, 2005
PTC [ PRINCETON TECHNOLOGY CORP ]
