6 / 9 page
TP6312
1/4 TO 1/11-DUTY VFD CONTROLLER/DRIVER
Switching Characteristics (Ta = -20°C to +70°C, VDD = 4.5V to 5.5V, VEE = -30V)
Parameter
Symbol
Min
Typ.
Max.
Unit
Test Conditions
Oscillation Frequency
fOSC
350
500
650
kHz
R = 56k
Ω
tPLZ
300
ns
Propagation Delay Time
tPZL
100
ns
CLK
⇒ DOUT
CL = 15pF,RL = 10k
Ω
tTZH1
2
µs
Seg1 to Seg11
Rise Time
tTZH2
0.5
µs
CL = 300
PF
Grid1 to Grid6
Seg12/Grid11
to
Seg16/Grid7
Fall Time
tTHZ
120
µs
CL = 300 pF, Segn, Gridn
Maximum Clock Frequency
fmax
1
MHz
Duty = 50%
Input Capacitance
C1
15
pF
Timing Conditions (Ta = -20°C to +70°C, Vdd = 4.5V to 5.5V)
Parameter
Symbol
Min
Typ.
Max.
Unit
Test Conditions
Clock Pulse Width
PWCLK
400
ns
Strobe Pulse Width
PWSTB
1
µs
Data Setup Time
tSETUP
100
ns
Data Hold Time
tHOLD
100
ns
Clock-Strobe Time
tCLK-STB
1
µs
CLK ↑→ STB ↑
Wait Time
tWAIT
1
µs
CLK ↑→ CLK ↓
Switching Characteristic Waveform
PW STB
PW CLK
PW CLK
tCLK-STB
tSETUP
thold
tPZL
tPZL
90%
tTHZ
10%
tTHZ
Version 1.1
Page 6 of 9
http://www.topro.com.tw
September 2003
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
