PT6315-S_10 Datasheet, PDF (12/21 Pages) Princeton Technology Corp – VFD Driver/Controller IC

VFD Driver/Controller IC
SWITCHING CHARACTERISTIC WAVEFORM
PT6315-S Switching Characteristics Waveform is given below.
fosc
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PT6315-S
OSC 50%
STB
PW CLK PW CLK
PW ST B
tCL K- ST B
CLK
DIN
DOUT
Gn
t s et up
t ho ld
tPZL
tTHZ
90 %
10 %
t P LZ
tTZH2
90 %
Sn
10 %
tTZH1
tTHZ
where:
PW CLK (Clock Pulse Width) ≥ 400ns
tsetup (Data Setup Time) ≥ 100ns
tCLK-STB (Clock - Strobe Time) ≥ 1us
tTZH2 (Grid Rise Time) ≤ 0.5us (at VDD=5V)
tTZH2 (Grid Rise Time) ≤ 1.0us (at VDD=3.3V)
tTZH1 (Segment Rise Time) ≤ 2.0us (at VDD=5V)
tTZH1 (Segment Rise Time) ≤ 3.0us (at VDD=3.3V)
PW STB (Strobe Pulse Width) ≥ 1us
thold (Data Hold Time) ≥ 100ns
tTHZ (Fall Time) ≤ 150us
tPZL (Propagation Delay Time) ≤ 100ns
tPLZ (Propagation DelayTime) ≤ 400ns
fosc = Oscillation Frequency
PT6315-S V1.9
- 12 -
September, 2005