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UPD16312 Datasheet(PDF) 13 Page - NEC

Part # UPD16312
Description  1/4- to 1/11-DUTY FIPTM VFD CONTROLLER/DRIVER
PDF  20 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD16312 Datasheet(HTML) 13 Page - NEC

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13
PD16312
ELECTRICAL CHARACTERISTICS (Ta =
20 to +70 C, VDD = 4.5 to 5.5 V, VSS = 0 V, VEE = VDD 35 V)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
High-Level Output Voltage
VOH1
0.9 VDD
V
LED1
 LED4, IOH1 = 1 mA
Low-Level Output Voltage
VOL1
1
V
LED1
 LED4, IOL1 = 20 mA
Low-Level Output Voltage
VOL2
0.4
V
DOUT, IOL2 = 4 mA
High-Level Output Current
IOH21
3mA
VO = VDD
2 V, Seg1 to Seg11
High-Level Output Current
IOH22
15
mA
VO = VDD
2 V, Grid1 to Grid6
Seg12/ Grid11 to Seg16/ Grid7
Driver Leakage Current
IOLEAK
10
AVO = VDD 35 V, driver off
Output Pull-Down Resistor
RL
50
100
150
K

Driver output
Input Current
II
1
AVI = VDD or VSS
High-Level Input Voltage
VIH
0.7 VDD
V
Low-Level Input Voltage
VIL
0.3 VDD
V
Hysteresis Voltage
VH
0.35
V
CLK, DIN, STB
Dynamic Current Consumption
IDDdyn
5
mA
Under no load, display off
SWITCHING CHARACTERISTICS (Ta =
20 to +70 C, VDD = 4.5 to 5.5 V, VEE = 30 V)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
Oscillation Frequency
tOSC
350
500
650
kHz
R = 51 k

Propagation Delay Time
tPLZ
300
ns
CLK
 DOUT
tPZL
100
ns
CL = 15 pF, RL = 10 k

Rise Time
tTZH1
2
sCL = 300 pF
Seg1 to Seg11
tTZH2
0.5
s
Grid1 to Grid6,
Seg12/Grid11 to
Seg16/Grid7
Fall Time
tTHZ
120
sCL = 300 pF, Segn, Gridn
Maximum Clock Frequency
fmax.
1
MHz
Duty = 50 %
Input Capacitance
CI
15
pF
TIMING CONDITIONS (Ta =
20 to 70 C, VDD = 4.5 to 5.5 V)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
Clock Pule Width
PWCLK
400
ns
Strobe Pulse Width
PWSTB
1
s
Data Setup Time
tSETUP
100
ns
Data Hold Time
tHOLD
100
ns
Clock-Strobe Time
tCLK-STB
1
s
CLK
  STB 
Wait Time
tWAIT
1
s
CLK
  CLK Note
Note Refer to page 11.



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