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HT16512 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT16512
Description  1/4 to 1/11 Duty VFD Controller
PDF  12 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT16512 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ. Max. Unit
VDD
Conditions
IOH22
Segment/Grid Source Current 5V
VOH=VDD-2V
G0~G5,
S11/G10~S15/G6
-15
¾¾
mA
IOL3
DO Sink Current
5V VOL=0.4V
4
¾¾
mA
VIH
²H² Input Voltage
¾¾
0.7VDD ¾
VDD
V
VIL
²L² Input Voltage
¾¾
0
¾
0.3VDD
V
VOH1
High-level Output Voltage
5V LED0~LED3,
IOH1=-1mA
0.9VDD ¾
VDD
V
VOL1
Low-level Output Voltage
5V LED0~LED3,
IOL1=20mA
0
¾
1V
VOL2
Low-level Output Voltage
5V DO, IOL2=4mA
0
¾
0.4
V
A.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
tPHL
Propagation Delay Time
5V CLK®DO
CL=15pF, RL=10kW
¾¾
300
ns
tPLH
5V
¾¾
100
ns
tr1
Rise Time
5V CL=300pF,
S0~S10
¾¾
2
ms
tr2
5V
CL=300pF,
G0~G5,
S11/G10~S15/G6
¾¾
0.5
ms
tf
Fall Time
5V CL=300pF, Sn, Gn
¾¾
120
ms
tmax
Maximum Clock Frequency 5V Duty=50%
1
¾¾
MHz
Ci
Input Capacitance
5V
¾¾
¾
15
pF
tCW
Clock Pulse Width
5V
¾
400
¾¾
ns
tSW
Strobe Pulse Width
5V
¾
1
¾¾
us
tSU
Data Setup Time
5V
¾
100
¾¾
ns
th
Data Hold Time
5V
¾
100
¾¾
ns
tCS
Clock-Strobe Time
5V CLK rising edge to
CS rising edge
1
¾¾
ms
tW
Wait Time
5V CLK rising edge to
CLK falling edge
1
¾¾
ms
HT16512
5
December 24, 1999



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