PT6305 Datasheet, PDF (11/17 Pages) Texas Instruments – 3 AMP HIGH-PERFORMANCE ADJUSTABLE ISR

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VFD Driver/Controller IC
PT6305
SWITCHING CHARACTERISTICS
(Unless otherwise specified, Ta=25Ċ, VDD1=5.0V, VDD2=70V, VSS1=VSS2=0V, Logic CL=15pF,
Driver CL=50pF)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
tPHL1
tPLH1
CLKB→HVO1 ~ HVO48
-
-
-
160 ns
-
160 ns
Propagation delay
tPHL2
tPLH2
LATB→HVO1 ~ HVO48
-
-
-
150 ns
-
150 ns
time
tPHL3
tPLH3
BK→HVO1 ~ HVO48
-
-
145 ns
-
-
145 ns
tPHL4
tPLH4
PCB→HVO1 ~ HVO48
-
-
-
140 ns
-
140 ns
Rise time
tTLH
HVO1 ~ HVO48
-
-
100 ns
Fall time
tTHL
HVO1 ~ HVO48
-
-
100 ns
Clock frequency
f
Duty=50%, data loading
-
In cascade connection
-
-
16 MHz
-
16 MHz
Input capacitance
CI
-
-
20
pF
TIMING CHARACTERISTICS
(Unless otherwise specified, Ta=-40 to +80Ċ, VDD1=4.5 to 5.5V, VSS1=VSS2=0V)
Parameter
Symbol
Condition
Min. Typ.
Clock pulse width
PWCLKB (L), (H)
40
-
Strobe pulse width
PWLATB
20
-
Blank pulse width
PWBK
200
-
PCB pulse width
PWPCB
200
-
Data setup time
tSETUP
40
-
Data hold time
tHOLD
50
-
Clock-strobe time
tCLKB-LATB
CLKB↓ → LATB↑
70
-
Max. Unit
- ns
- ns
- ns
- ns
- ns
- ns
- ns
PT6305 V1.1
- 11 -
January, 2006