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HV3418X

64-Channel Serial To Parallel Converter With High Voltage Push-Pull Outputs

Supertex Inc 

HV3418

Electrical Characteristics (over recommended operating conditions unless noted)

DC Characteristics

Symbol

Parameter

Min Typ Max Units

Conditions

IDD

VDD Supply Current

25

mA

fCLK = 12MHz, fDATA = 12MHz

LE = LOW

IDDQ

Quiescent VDD Supply Current

200

µA

All VIN = 0V or VDD

IPP

High Voltage Supply Current

0.50

mA

VPP = 180V All outputs high

0.50

mA

VPP = 180V All outputs low

IIH

High-Level Logic Input Current

10

µA

VIH = VDD

IIL

Low-Level Logic Input Current

-10

µA

VIL = 0V

VOH

High-Level Output

HVOUT

155

V

VPP = 180V, IHVOUT = -5mA

Data Out VDD -1V

V

IDOUT = -100µA

VOL

Low-Level Output

HVOUT

25

V

VPP = 180V, IHVOUT = +5mA

Data Out

1.0

V

IDOUT = +100µA

VOC

HVOUT Clamp Voltage

VPP +1.5 V

IOL = +5mA

-1.5

V

IOL = -5mA

AC Characteristics1,2 (For VDD = 12V: values in parentheses are for VDD = 5V; VPP = 180V, TA = 25°C)

Symbol

Parameter

Min Typ Max Units

Conditions

fCLK

Clock Frequency

tW

Clock Width High and Low

High

40(83)

tSU

Data Setup Time Before Clock Rises

25(35)

tH

Data Hold Time After Clock Rises

10(30)

tWLE

Width of Latch Enable Pulse

62(80)

tDLE

LE Delay Time Rising Edge of Clock

25(35)

tSLE

LE Setup Time Before Rising Edge of Clock 30(40)

tON, tOFF

Time from Latch Enable to HVOUT

tDHL

Delay Time Clock to Data High to Low

tDLH

Delay Time Clock to Data Low to High

tr, tf

All Logic Inputs

Notes:

1. Shift register speed can be as low as DC as long as Data Set-up and Hold Time meet the spec.

2. AC Characteristics are guaranteed only under VDD = 12V and VDD = 5V.

12(6)

1(1.5)

50(110)

75(160)

5

MHz

ns

ns

ns

ns

ns

ns

µs

ns

ns

ns

CL = 20pF

CL = 20pF

CL = 20pF

Recommended Operating Conditions

Symbol

Parameter

Min

Typ

VDD

Logic supply voltage

VDD = 5V

VDD =12V

V

High voltage supply

PP

VIH

High-level input voltage

VIL

Low-level input voltage

TA

Operating free-air temperature

Plastic

Ceramic

4.5

10.8

60

VDD -0.9

0

-40

-55

5.0

12.0

Notes:

Power-up sequence should be the following:

1. Connect ground.

2. Apply VDD.

3. Set all inputs (Data, CLK, Enable, etc.) to a known state.

Power-down sequence should be the reverse of the above.

4. Apply VPP.

5. The VPP should not drop below VDD or float during operation.

Max

5.5

13.2

180

VDD

0.9

+85

+125

Units

V

V

V

V

V

°C

2

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